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Build Information

Successful build of NautilusTelemetry, reference v1.5.8 (6ce0f6), with Swift 6.1 for macOS (SPM) on 9 Dec 2025 00:19:00 UTC.

Swift 6 data race errors: 12

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

   |              `- note: generic class 'Counter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
47 |
48 | 		return lock.withLock {
49 | 			let copy = Self(name: name, unit: unit, description: description)
   |                          `- warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
50 | 			copy.startTime = startTime
51 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:37:45: warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Histogram<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Histogram' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
35 | 	public var aggregationTemporality = AggregationTemporality.delta
36 |
37 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
38 |
39 | 	public func record(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:53:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
51 | 		let now = ContinuousClock.now
52 |
53 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
54 | 			let copy = Self(name: name, unit: unit, description: description, explicitBounds: values.explicitBounds)
55 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:54:26: warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Histogram<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Histogram' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
52 |
53 | 		return lock.withLock {
54 | 			let copy = Self(name: name, unit: unit, description: description, explicitBounds: values.explicitBounds)
   |                          `- warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
55 | 			copy.startTime = startTime
56 | 			copy.endTime = now
[50/86] Compiling NautilusTelemetry Counter.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/HardwareDetails.swift:14:20: warning: static property 'platformCachedValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
12 | 	// MARK: Public
13 |
14 | 	public static var platformCachedValue: String? = {
   |                    |- warning: static property 'platformCachedValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: convert 'platformCachedValue' to a 'let' constant to make 'Sendable' shared state immutable
   |                    |- note: add '@MainActor' to make static property 'platformCachedValue' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 | 		// This doesn't change after launch, so evaluate once.
16 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/HardwareDetails.swift:27:21: warning: static property 'isOnMac' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
25 | 	// MARK: Private
26 |
27 | 	private static var isOnMac: Bool = {
   |                     |- warning: static property 'isOnMac' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                     |- note: convert 'isOnMac' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: add '@MainActor' to make static property 'isOnMac' part of global actor 'MainActor'
   |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
28 | 		#if os(macOS)
29 | 		true
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:14:33: warning: static property 'tracer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
12 | 	// MARK: Public
13 |
14 | 	static public private(set) var tracer = Tracer()
   |                                 |- warning: static property 'tracer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                 |- note: convert 'tracer' to a 'let' constant to make 'Sendable' shared state immutable
   |                                 |- note: add '@MainActor' to make static property 'tracer' part of global actor 'MainActor'
   |                                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 | 	static public private(set) var meter = Meter()
16 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:15:33: warning: static property 'meter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
13 |
14 | 	static public private(set) var tracer = Tracer()
15 | 	static public private(set) var meter = Meter()
   |                                 |- warning: static property 'meter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                 |- note: convert 'meter' to a 'let' constant to make 'Sendable' shared state immutable
   |                                 |- note: add '@MainActor' to make static property 'meter' part of global actor 'MainActor'
   |                                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
16 |
17 | 	static public private(set) var reporter: NautilusTelemetryReporter? = nil
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:17:33: warning: static property 'reporter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
15 | 	static public private(set) var meter = Meter()
16 |
17 | 	static public private(set) var reporter: NautilusTelemetryReporter? = nil
   |                                 |- warning: static property 'reporter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                 |- note: convert 'reporter' to a 'let' constant to make 'Sendable' shared state immutable
   |                                 |- note: add '@MainActor' to make static property 'reporter' part of global actor 'MainActor'
   |                                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 | 	public static func bootstrap(reporter _reporter: NautilusTelemetryReporter) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Counter.swift:32:45: warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Counter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Counter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
30 | 	public var isMonotonic: Bool { true }
31 |
32 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
33 |
34 | 	public func add(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Counter.swift:48:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 		let now = ContinuousClock.now
47 |
48 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
49 | 			let copy = Self(name: name, unit: unit, description: description)
50 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Counter.swift:49:26: warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Counter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Counter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
47 |
48 | 		return lock.withLock {
49 | 			let copy = Self(name: name, unit: unit, description: description)
   |                          `- warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
50 | 			copy.startTime = startTime
51 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:37:45: warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Histogram<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Histogram' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
35 | 	public var aggregationTemporality = AggregationTemporality.delta
36 |
37 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
38 |
39 | 	public func record(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:53:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
51 | 		let now = ContinuousClock.now
52 |
53 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
54 | 			let copy = Self(name: name, unit: unit, description: description, explicitBounds: values.explicitBounds)
55 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:54:26: warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Histogram<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Histogram' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
52 |
53 | 		return lock.withLock {
54 | 			let copy = Self(name: name, unit: unit, description: description, explicitBounds: values.explicitBounds)
   |                          `- warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
55 | 			copy.startTime = startTime
56 | 			copy.endTime = now
[51/86] Compiling NautilusTelemetry Histogram.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/HardwareDetails.swift:14:20: warning: static property 'platformCachedValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
12 | 	// MARK: Public
13 |
14 | 	public static var platformCachedValue: String? = {
   |                    |- warning: static property 'platformCachedValue' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: convert 'platformCachedValue' to a 'let' constant to make 'Sendable' shared state immutable
   |                    |- note: add '@MainActor' to make static property 'platformCachedValue' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 | 		// This doesn't change after launch, so evaluate once.
16 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/HardwareDetails.swift:27:21: warning: static property 'isOnMac' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
25 | 	// MARK: Private
26 |
27 | 	private static var isOnMac: Bool = {
   |                     |- warning: static property 'isOnMac' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                     |- note: convert 'isOnMac' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: add '@MainActor' to make static property 'isOnMac' part of global actor 'MainActor'
   |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
28 | 		#if os(macOS)
29 | 		true
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:14:33: warning: static property 'tracer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
12 | 	// MARK: Public
13 |
14 | 	static public private(set) var tracer = Tracer()
   |                                 |- warning: static property 'tracer' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                 |- note: convert 'tracer' to a 'let' constant to make 'Sendable' shared state immutable
   |                                 |- note: add '@MainActor' to make static property 'tracer' part of global actor 'MainActor'
   |                                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
15 | 	static public private(set) var meter = Meter()
16 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:15:33: warning: static property 'meter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
13 |
14 | 	static public private(set) var tracer = Tracer()
15 | 	static public private(set) var meter = Meter()
   |                                 |- warning: static property 'meter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                 |- note: convert 'meter' to a 'let' constant to make 'Sendable' shared state immutable
   |                                 |- note: add '@MainActor' to make static property 'meter' part of global actor 'MainActor'
   |                                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
16 |
17 | 	static public private(set) var reporter: NautilusTelemetryReporter? = nil
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:17:33: warning: static property 'reporter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
15 | 	static public private(set) var meter = Meter()
16 |
17 | 	static public private(set) var reporter: NautilusTelemetryReporter? = nil
   |                                 |- warning: static property 'reporter' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                                 |- note: convert 'reporter' to a 'let' constant to make 'Sendable' shared state immutable
   |                                 |- note: add '@MainActor' to make static property 'reporter' part of global actor 'MainActor'
   |                                 `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
18 |
19 | 	public static func bootstrap(reporter _reporter: NautilusTelemetryReporter) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Counter.swift:32:45: warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Counter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Counter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
30 | 	public var isMonotonic: Bool { true }
31 |
32 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
33 |
34 | 	public func add(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Counter.swift:48:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 		let now = ContinuousClock.now
47 |
48 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
49 | 			let copy = Self(name: name, unit: unit, description: description)
50 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Counter.swift:49:26: warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Counter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Counter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
47 |
48 | 		return lock.withLock {
49 | 			let copy = Self(name: name, unit: unit, description: description)
   |                          `- warning: capture of 'self' with non-sendable type 'Counter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
50 | 			copy.startTime = startTime
51 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:37:45: warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Histogram<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Histogram' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
35 | 	public var aggregationTemporality = AggregationTemporality.delta
36 |
37 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
38 |
39 | 	public func record(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:53:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
51 | 		let now = ContinuousClock.now
52 |
53 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
54 | 			let copy = Self(name: name, unit: unit, description: description, explicitBounds: values.explicitBounds)
55 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Histogram.swift:54:26: warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class Histogram<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'Histogram' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
52 |
53 | 		return lock.withLock {
54 | 			let copy = Self(name: name, unit: unit, description: description, explicitBounds: values.explicitBounds)
   |                          `- warning: capture of 'self' with non-sendable type 'Histogram<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
55 | 			copy.startTime = startTime
56 | 			copy.endTime = now
[52/86] Compiling NautilusTelemetry NautilusTelemetry.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:22:20: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
20 |
21 | 	/// link from child to parent
22 | 	public static let up = SubtraceLinking(rawValue: 1 << 0)
   |                    |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'up' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | 	/// link from parent to child
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:25:20: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
23 |
24 | 	/// link from parent to child
25 | 	public static let down = SubtraceLinking(rawValue: 1 << 1)
   |                    |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'down' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:138:7: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
136 | 	public func addEvent(_ event: Event) {
137 | 		lock.withLock {
138 | 			if events == nil {
    |       `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
139 | 				events = [Event]()
140 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:141:19: warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 74 | 	// MARK: Public
 75 |
 76 | 	public struct Event: ExpressibleByStringLiteral {
    |                `- note: consider making struct 'Event' conform to the 'Sendable' protocol
 77 | 		let time: ContinuousClock.Instant
 78 | 		let name: String
    :
139 | 				events = [Event]()
140 | 			}
141 | 			events?.append(event)
    |                   `- warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
142 | 		}
143 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:4: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |    `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:31: warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                               `- warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:72: warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 | /// Minimal subset of OTLP.SpanLink with relationship concept
 14 | public struct Link {
 15 | 	public enum Relationship {
    |              `- note: consider making enum 'Relationship' conform to the 'Sendable' protocol
 16 | 		case parent
 17 | 		case child
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                                                                        `- warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
[53/86] Compiling NautilusTelemetry NautilusTelemetryLogger.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:22:20: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
20 |
21 | 	/// link from child to parent
22 | 	public static let up = SubtraceLinking(rawValue: 1 << 0)
   |                    |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'up' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | 	/// link from parent to child
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:25:20: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
23 |
24 | 	/// link from parent to child
25 | 	public static let down = SubtraceLinking(rawValue: 1 << 1)
   |                    |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'down' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:138:7: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
136 | 	public func addEvent(_ event: Event) {
137 | 		lock.withLock {
138 | 			if events == nil {
    |       `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
139 | 				events = [Event]()
140 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:141:19: warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 74 | 	// MARK: Public
 75 |
 76 | 	public struct Event: ExpressibleByStringLiteral {
    |                `- note: consider making struct 'Event' conform to the 'Sendable' protocol
 77 | 		let time: ContinuousClock.Instant
 78 | 		let name: String
    :
139 | 				events = [Event]()
140 | 			}
141 | 			events?.append(event)
    |                   `- warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
142 | 		}
143 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:4: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |    `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:31: warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                               `- warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:72: warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 | /// Minimal subset of OTLP.SpanLink with relationship concept
 14 | public struct Link {
 15 | 	public enum Relationship {
    |              `- note: consider making enum 'Relationship' conform to the 'Sendable' protocol
 16 | 		case parent
 17 | 		case child
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                                                                        `- warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
[54/86] Compiling NautilusTelemetry NautilusTelemetryReporter.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:22:20: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
20 |
21 | 	/// link from child to parent
22 | 	public static let up = SubtraceLinking(rawValue: 1 << 0)
   |                    |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'up' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | 	/// link from parent to child
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:25:20: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
23 |
24 | 	/// link from parent to child
25 | 	public static let down = SubtraceLinking(rawValue: 1 << 1)
   |                    |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'down' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:138:7: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
136 | 	public func addEvent(_ event: Event) {
137 | 		lock.withLock {
138 | 			if events == nil {
    |       `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
139 | 				events = [Event]()
140 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:141:19: warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 74 | 	// MARK: Public
 75 |
 76 | 	public struct Event: ExpressibleByStringLiteral {
    |                `- note: consider making struct 'Event' conform to the 'Sendable' protocol
 77 | 		let time: ContinuousClock.Instant
 78 | 		let name: String
    :
139 | 				events = [Event]()
140 | 			}
141 | 			events?.append(event)
    |                   `- warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
142 | 		}
143 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:4: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |    `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:31: warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                               `- warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:72: warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 | /// Minimal subset of OTLP.SpanLink with relationship concept
 14 | public struct Link {
 15 | 	public enum Relationship {
    |              `- note: consider making enum 'Relationship' conform to the 'Sendable' protocol
 16 | 		case parent
 17 | 		case child
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                                                                        `- warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
[55/86] Compiling NautilusTelemetry NoOpReporter.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:22:20: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
20 |
21 | 	/// link from child to parent
22 | 	public static let up = SubtraceLinking(rawValue: 1 << 0)
   |                    |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'up' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | 	/// link from parent to child
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:25:20: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
23 |
24 | 	/// link from parent to child
25 | 	public static let down = SubtraceLinking(rawValue: 1 << 1)
   |                    |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'down' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:138:7: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
136 | 	public func addEvent(_ event: Event) {
137 | 		lock.withLock {
138 | 			if events == nil {
    |       `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
139 | 				events = [Event]()
140 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:141:19: warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 74 | 	// MARK: Public
 75 |
 76 | 	public struct Event: ExpressibleByStringLiteral {
    |                `- note: consider making struct 'Event' conform to the 'Sendable' protocol
 77 | 		let time: ContinuousClock.Instant
 78 | 		let name: String
    :
139 | 				events = [Event]()
140 | 			}
141 | 			events?.append(event)
    |                   `- warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
142 | 		}
143 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:4: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |    `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:31: warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                               `- warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:72: warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 | /// Minimal subset of OTLP.SpanLink with relationship concept
 14 | public struct Link {
 15 | 	public enum Relationship {
    |              `- note: consider making enum 'Relationship' conform to the 'Sendable' protocol
 16 | 		case parent
 17 | 		case child
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                                                                        `- warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
[56/86] Compiling NautilusTelemetry Baggage.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:22:20: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
20 |
21 | 	/// link from child to parent
22 | 	public static let up = SubtraceLinking(rawValue: 1 << 0)
   |                    |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'up' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | 	/// link from parent to child
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:25:20: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
23 |
24 | 	/// link from parent to child
25 | 	public static let down = SubtraceLinking(rawValue: 1 << 1)
   |                    |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'down' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:138:7: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
136 | 	public func addEvent(_ event: Event) {
137 | 		lock.withLock {
138 | 			if events == nil {
    |       `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
139 | 				events = [Event]()
140 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:141:19: warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 74 | 	// MARK: Public
 75 |
 76 | 	public struct Event: ExpressibleByStringLiteral {
    |                `- note: consider making struct 'Event' conform to the 'Sendable' protocol
 77 | 		let time: ContinuousClock.Instant
 78 | 		let name: String
    :
139 | 				events = [Event]()
140 | 			}
141 | 			events?.append(event)
    |                   `- warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
142 | 		}
143 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:4: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |    `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:31: warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                               `- warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:72: warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 | /// Minimal subset of OTLP.SpanLink with relationship concept
 14 | public struct Link {
 15 | 	public enum Relationship {
    |              `- note: consider making enum 'Relationship' conform to the 'Sendable' protocol
 16 | 		case parent
 17 | 		case child
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                                                                        `- warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
[57/86] Compiling NautilusTelemetry Span+URLSession.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:22:20: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
20 |
21 | 	/// link from child to parent
22 | 	public static let up = SubtraceLinking(rawValue: 1 << 0)
   |                    |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'up' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | 	/// link from parent to child
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:25:20: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
23 |
24 | 	/// link from parent to child
25 | 	public static let down = SubtraceLinking(rawValue: 1 << 1)
   |                    |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'down' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:138:7: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
136 | 	public func addEvent(_ event: Event) {
137 | 		lock.withLock {
138 | 			if events == nil {
    |       `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
139 | 				events = [Event]()
140 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:141:19: warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 74 | 	// MARK: Public
 75 |
 76 | 	public struct Event: ExpressibleByStringLiteral {
    |                `- note: consider making struct 'Event' conform to the 'Sendable' protocol
 77 | 		let time: ContinuousClock.Instant
 78 | 		let name: String
    :
139 | 				events = [Event]()
140 | 			}
141 | 			events?.append(event)
    |                   `- warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
142 | 		}
143 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:4: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |    `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:31: warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                               `- warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:72: warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 | /// Minimal subset of OTLP.SpanLink with relationship concept
 14 | public struct Link {
 15 | 	public enum Relationship {
    |              `- note: consider making enum 'Relationship' conform to the 'Sendable' protocol
 16 | 		case parent
 17 | 		case child
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                                                                        `- warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
[58/86] Compiling NautilusTelemetry Span.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:22:20: warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
20 |
21 | 	/// link from child to parent
22 | 	public static let up = SubtraceLinking(rawValue: 1 << 0)
   |                    |- warning: static property 'up' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'up' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
23 |
24 | 	/// link from parent to child
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Baggage.swift:25:20: warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
11 | // MARK: - SubtraceLinking
12 |
13 | public struct SubtraceLinking: OptionSet {
   |               `- note: consider making struct 'SubtraceLinking' conform to the 'Sendable' protocol
14 |
15 | 	public init(rawValue: Int) {
   :
23 |
24 | 	/// link from parent to child
25 | 	public static let down = SubtraceLinking(rawValue: 1 << 1)
   |                    |- warning: static property 'down' is not concurrency-safe because non-'Sendable' type 'SubtraceLinking' may have shared mutable state; this is an error in the Swift 6 language mode
   |                    |- note: add '@MainActor' to make static property 'down' part of global actor 'MainActor'
   |                    `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
26 | }
27 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:138:7: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
136 | 	public func addEvent(_ event: Event) {
137 | 		lock.withLock {
138 | 			if events == nil {
    |       `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
139 | 				events = [Event]()
140 | 			}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:141:19: warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 74 | 	// MARK: Public
 75 |
 76 | 	public struct Event: ExpressibleByStringLiteral {
    |                `- note: consider making struct 'Event' conform to the 'Sendable' protocol
 77 | 		let time: ContinuousClock.Instant
 78 | 		let name: String
    :
139 | 				events = [Event]()
140 | 			}
141 | 			events?.append(event)
    |                   `- warning: capture of 'event' with non-sendable type 'Span.Event' in a '@Sendable' closure; this is an error in the Swift 6 language mode
142 | 		}
143 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:4: warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |    `- warning: capture of 'self' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:31: warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 40 | /// Implements a pared down version of the spec
 41 | /// Not thread safe -- it's assumed that Span will only be modified from a single thread.
 42 | public final class Span: Identifiable {
    |                    `- note: class 'Span' does not conform to the 'Sendable' protocol
 43 |
 44 | 	// MARK: Lifecycle
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                               `- warning: capture of 'span' with non-sendable type 'Span' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Tracing/Span.swift:150:72: warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 | /// Minimal subset of OTLP.SpanLink with relationship concept
 14 | public struct Link {
 15 | 	public enum Relationship {
    |              `- note: consider making enum 'Relationship' conform to the 'Sendable' protocol
 16 | 		case parent
 17 | 		case child
    :
148 | 	public func addLink(_ span: Span, relationship: Link.Relationship = .undefined) {
149 | 		lock.withLock {
150 | 			links.append(Link(traceId: span.traceId, id: span.id, relationship: relationship))
    |                                                                        `- warning: capture of 'relationship' with non-sendable type 'Link.Relationship' in a '@Sendable' closure; this is an error in the Swift 6 language mode
151 | 		}
152 | 	}
[59/86] Compiling NautilusTelemetry V1ScopeLogs.swift
[60/86] Compiling NautilusTelemetry V1SeverityNumber.swift
[61/86] Compiling NautilusTelemetry ExponentialHistogramDataPointBuckets.swift
[62/86] Compiling NautilusTelemetry SummaryDataPointValueAtQuantile.swift
[63/86] Compiling NautilusTelemetry V1AggregationTemporality.swift
[64/86] Compiling NautilusTelemetry V1Exemplar.swift
[65/86] Compiling NautilusTelemetry V1ExponentialHistogram.swift
[66/86] Compiling NautilusTelemetry V1ExponentialHistogramDataPoint.swift
[67/86] Compiling NautilusTelemetry V1KeyValue.swift
[68/86] Compiling NautilusTelemetry V1KeyValueList.swift
[69/86] Compiling NautilusTelemetry V1Resource.swift
[70/86] Compiling NautilusTelemetry V1ExportLogsPartialSuccess.swift
[71/86] Compiling NautilusTelemetry V1ExportLogsServiceRequest.swift
[72/86] Compiling NautilusTelemetry V1ExportLogsServiceResponse.swift
[73/86] Compiling NautilusTelemetry V1LogRecord.swift
[74/86] Compiling NautilusTelemetry V1ResourceLogs.swift
[75/86] Compiling NautilusTelemetry HistogramValues.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[76/86] Compiling NautilusTelemetry Instrument.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[77/86] Compiling NautilusTelemetry Meter.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[78/86] Compiling NautilusTelemetry MetricValues.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[79/86] Compiling NautilusTelemetry ObservableCounter.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[80/86] Compiling NautilusTelemetry ObservableGauge.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[81/86] Compiling NautilusTelemetry ObservableUpDownCounter.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[82/86] Compiling NautilusTelemetry UpDownCounter.swift
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:111:29: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
109 | 	func register(_ instrument: Instrument) {
110 | 		lock.withLock {
111 | 			activeInstruments.append(instrument)
    |                             `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
112 | 		}
113 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in a '@Sendable' closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:118:41: warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
116 | 		lock.withLock {
117 | 			// O(N) -- may need to improve this
118 | 			activeInstruments.removeAll { $0 === instrument }
    |                                         `- warning: capture of 'instrument' with non-sendable type 'any Instrument' in an isolated closure; this is an error in the Swift 6 language mode
119 | 		}
120 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:123:34: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
121 |
122 | 	func flushActiveInstruments() {
123 | 		let instrumentsToReport = lock.withLock {
    |                                  `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Meter.swift:125:4: warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 13 |
 14 | /// The meter is responsible for creating Instruments.
 15 | public final class Meter {
    |                    `- note: class 'Meter' does not conform to the 'Sendable' protocol
 16 |
 17 | 	// MARK: Lifecycle
    :
123 | 		let instrumentsToReport = lock.withLock {
124 | 			// Make copies
125 | 			activeInstruments.compactMap { $0.snapshotAndReset() }
    |    `- warning: capture of 'self' with non-sendable type 'Meter' in a '@Sendable' closure; this is an error in the Swift 6 language mode
126 | 		}
127 |
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { true }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	/// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/api.md#asynchronous-counter-creation
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:46:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 		callback(self)
45 |
46 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
48 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableCounter.swift:47:26: warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
45 |
46 | 		return lock.withLock {
47 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
48 | 			copy.startTime = startTime
49 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:43:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
41 | 		callback(self)
42 |
43 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
45 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableGauge.swift:44:26: warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableGauge<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableGauge' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
42 |
43 | 		return lock.withLock {
44 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableGauge<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
45 | 			copy.startTime = startTime
46 | 			copy.endTime = now
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:33:45: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
31 | 	public var isMonotonic: Bool { false }
32 |
33 | 	public var isEmpty: Bool { lock.withLock { values.isEmpty } }
   |                                             `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
34 |
35 | 	public func observe(_ number: T, attributes: TelemetryAttributes = [:]) {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:45:15: warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
43 | 		callback(self)
44 |
45 | 		return lock.withLock {
   |               `- warning: type 'any Instrument' does not conform to the 'Sendable' protocol; this is an error in the Swift 6 language mode
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
47 | 			copy.startTime = startTime
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/Instrument.swift:12:17: note: protocol 'Instrument' does not conform to the 'Sendable' protocol
10 | // MARK: - Instrument
11 |
12 | public protocol Instrument: AnyObject {
   |                 `- note: protocol 'Instrument' does not conform to the 'Sendable' protocol
13 | 	/// The name of the instrument.
14 | 	var name: String { get }
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Metrics/ObservableUpDownCounter.swift:46:26: warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
 9 | import os
10 |
11 | public class ObservableUpDownCounter<T: MetricNumeric>: Instrument, ExportableInstrument {
   |              `- note: generic class 'ObservableUpDownCounter' does not conform to the 'Sendable' protocol
12 |
13 | 	// MARK: Lifecycle
   :
44 |
45 | 		return lock.withLock {
46 | 			let copy = Self(name: name, unit: unit, description: description, callback: callback)
   |                          `- warning: capture of 'self' with non-sendable type 'ObservableUpDownCounter<T>' in a '@Sendable' closure; this is an error in the Swift 6 language mode
47 | 			copy.startTime = startTime
48 | 			copy.endTime = now
[82/86] Write Objects.LinkFileList
[83/86] Archiving libNautilusTelemetry.a
[85/89] Compiling SampleCode SampleCodeLogger.swift
[86/89] Emitting module SampleCode
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:84:13: warning: static property 'userAgent' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 82 | 	static let lock = OSAllocatedUnfairLock()
 83 |
 84 | 	static var userAgent: String = {
    |             |- warning: static property 'userAgent' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'userAgent' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'userAgent' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 | 		let bundle = Bundle.main
 86 | 		let bundleIdentifier = bundle.bundleIdentifier ?? "unknown"
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:91:13: warning: static property 'sampler' is not concurrency-safe because non-'Sendable' type 'StableGuidSampler' may have shared mutable state; this is an error in the Swift 6 language mode
 89 | 	}()
 90 |
 91 | 	static let sampler = StableGuidSampler(sampleRate: 1.0, seed: Data("OpenTelemetry".utf8), guid: sessionGUID)
    |             `- warning: static property 'sampler' is not concurrency-safe because non-'Sendable' type 'StableGuidSampler' may have shared mutable state; this is an error in the Swift 6 language mode
 92 |
 93 | 	static var sessionGUID: Data {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Utilities/Sampling.swift:22:20: note: class 'StableGuidSampler' does not conform to the 'Sendable' protocol
 20 | /// A sampler that is stable for a given GUID.
 21 | /// Intended to be used for session-based sampling or similar use cases.
 22 | public final class StableGuidSampler: Sampler {
    |                    `- note: class 'StableGuidSampler' does not conform to the 'Sendable' protocol
 23 |
 24 | 	// MARK: Lifecycle
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:14:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'NautilusTelemetry'
 12 | import UIKit
 13 | #endif
 14 | import NautilusTelemetry
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'NautilusTelemetry'
 15 |
 16 | // MARK: - ExampleReporter
    :
 89 | 	}()
 90 |
 91 | 	static let sampler = StableGuidSampler(sampleRate: 1.0, seed: Data("OpenTelemetry".utf8), guid: sessionGUID)
    |             |- note: add '@MainActor' to make static property 'sampler' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 92 |
 93 | 	static var sessionGUID: Data {
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:178:21: warning: static property '_sessionGUID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
176 | 	// MARK: Private
177 |
178 | 	static private var _sessionGUID: Data?
    |                     |- warning: static property '_sessionGUID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert '_sessionGUID' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property '_sessionGUID' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |
180 | }
[87/89] Compiling SampleCode ExampleReporter.swift
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:84:13: warning: static property 'userAgent' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 82 | 	static let lock = OSAllocatedUnfairLock()
 83 |
 84 | 	static var userAgent: String = {
    |             |- warning: static property 'userAgent' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'userAgent' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: add '@MainActor' to make static property 'userAgent' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 85 | 		let bundle = Bundle.main
 86 | 		let bundleIdentifier = bundle.bundleIdentifier ?? "unknown"
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:91:13: warning: static property 'sampler' is not concurrency-safe because non-'Sendable' type 'StableGuidSampler' may have shared mutable state; this is an error in the Swift 6 language mode
 89 | 	}()
 90 |
 91 | 	static let sampler = StableGuidSampler(sampleRate: 1.0, seed: Data("OpenTelemetry".utf8), guid: sessionGUID)
    |             `- warning: static property 'sampler' is not concurrency-safe because non-'Sendable' type 'StableGuidSampler' may have shared mutable state; this is an error in the Swift 6 language mode
 92 |
 93 | 	static var sessionGUID: Data {
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Utilities/Sampling.swift:22:20: note: class 'StableGuidSampler' does not conform to the 'Sendable' protocol
 20 | /// A sampler that is stable for a given GUID.
 21 | /// Intended to be used for session-based sampling or similar use cases.
 22 | public final class StableGuidSampler: Sampler {
    |                    `- note: class 'StableGuidSampler' does not conform to the 'Sendable' protocol
 23 |
 24 | 	// MARK: Lifecycle
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:14:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'NautilusTelemetry'
 12 | import UIKit
 13 | #endif
 14 | import NautilusTelemetry
    | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'NautilusTelemetry'
 15 |
 16 | // MARK: - ExampleReporter
    :
 89 | 	}()
 90 |
 91 | 	static let sampler = StableGuidSampler(sampleRate: 1.0, seed: Data("OpenTelemetry".utf8), guid: sessionGUID)
    |             |- note: add '@MainActor' to make static property 'sampler' part of global actor 'MainActor'
    |             `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 92 |
 93 | 	static var sessionGUID: Data {
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:178:21: warning: static property '_sessionGUID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
176 | 	// MARK: Private
177 |
178 | 	static private var _sessionGUID: Data?
    |                     |- warning: static property '_sessionGUID' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: convert '_sessionGUID' to a 'let' constant to make 'Sendable' shared state immutable
    |                     |- note: add '@MainActor' to make static property '_sessionGUID' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
179 |
180 | }
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:129:25: warning: reference to static property 'tracer' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
127 | 	// MARK: Lifecycle events
128 | 	func didEnterBackground() {
129 | 		InstrumentationSystem.tracer.flushTrace()
    |                         `- warning: reference to static property 'tracer' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
130 | 		Self.resetSessionGUID()
131 | 	}
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:14:33: note: static property declared here
12 | 	// MARK: Public
13 |
14 | 	static public private(set) var tracer = Tracer()
   |                                 `- note: static property declared here
15 | 	static public private(set) var meter = Meter()
16 |
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:149:80: warning: reference to static property 'tracer' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
147 | 		}
148 |
149 | 		let traceIdString = Identifiers.hexEncodedString(data: InstrumentationSystem.tracer.currentSpan.traceId)
    |                                                                                `- warning: reference to static property 'tracer' is not concurrency-safe because it involves shared mutable state; this is an error in the Swift 6 language mode
150 | 		var urlRequest = URLRequest(url: url)
151 | 		urlRequest.httpBody = compressedPayload
/Users/admin/builder/spi-builder-workspace/Sources/NautilusTelemetry/Instrumentation/InstrumentationSystem.swift:14:33: note: static property declared here
12 | 	// MARK: Public
13 |
14 | 	static public private(set) var tracer = Tracer()
   |                                 `- note: static property declared here
15 | 	static public private(set) var meter = Meter()
16 |
/Users/admin/builder/spi-builder-workspace/Sources/SampleCode/ExampleReporter.swift:156:7: warning: capture of 'self' with non-sendable type 'ExampleReporter' in a '@Sendable' closure
 18 | /// An example telemetry reporter. Intended to be modified for specific use cases.
 19 | @available(iOS 13.0, *)
 20 | public class ExampleReporter: NautilusTelemetryReporter {
    |              `- note: class 'ExampleReporter' does not conform to the 'Sendable' protocol
 21 |
 22 | 	// MARK: Lifecycle
    :
154 | 		urlRequest.addValue(contentEncoding, forHTTPHeaderField: "Content-Encoding")
155 | 		let task = urlSession.dataTask(with: urlRequest) { _, urlResponse, error in
156 | 			if self.success(urlResponse) {
    |       `- warning: capture of 'self' with non-sendable type 'ExampleReporter' in a '@Sendable' closure
157 | 				logger.debug("\(url): success, traceId = \(traceIdString)")
158 | 			} else {
[87/89] Write Objects.LinkFileList
[88/89] Archiving libSampleCode.a
Build complete! (6.23s)
Build complete.
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Done.