Swift Package IndexBuild Information
Failed to build Chronicle, reference 3.0.2 (78f4d0), with Swift 6.1 for macOS (SPM) on 16 Jan 2026 09:15:16 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Aeastr/Chronicle.git
Reference: 3.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Aeastr/Chronicle
* tag 3.0.2 -> FETCH_HEAD
HEAD is now at 78f4d0d update assets final
Cloned https://github.com/Aeastr/Chronicle.git
Revision (git rev-parse @):
78f4d0d634c4834f13f7ab1bcca79c150c4c172a
SUCCESS checkout https://github.com/Aeastr/Chronicle.git at 3.0.2
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/Aeastr/Chronicle.git
https://github.com/Aeastr/Chronicle.git
{
"dependencies" : [
{
"identity" : "swift-log",
"requirement" : {
"range" : [
{
"lower_bound" : "1.5.0",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-log.git"
}
],
"manifest_display_name" : "Chronicle",
"name" : "Chronicle",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "11.0"
},
{
"name" : "tvos",
"version" : "13.0"
},
{
"name" : "watchos",
"version" : "7.0"
}
],
"products" : [
{
"name" : "Chronicle",
"targets" : [
"Chronicle"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "ChronicleConsole",
"targets" : [
"ChronicleConsole"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "ChronicleSwiftLogBridge",
"targets" : [
"ChronicleSwiftLogBridge"
],
"type" : {
"library" : [
"automatic"
]
}
},
{
"name" : "ChronicleExamples",
"targets" : [
"ChronicleExamples"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "ChronicleSwiftLogBridge",
"module_type" : "SwiftTarget",
"name" : "ChronicleSwiftLogBridge",
"path" : "Sources/ChronicleSwiftLogBridge",
"product_dependencies" : [
"Logging"
],
"product_memberships" : [
"ChronicleSwiftLogBridge"
],
"sources" : [
"SwiftLogIntegration.swift"
],
"target_dependencies" : [
"Chronicle"
],
"type" : "library"
},
{
"c99name" : "ChronicleExamples",
"module_type" : "SwiftTarget",
"name" : "ChronicleExamples",
"path" : "Sources/ChronicleExamples",
"product_memberships" : [
"ChronicleExamples"
],
"sources" : [
"MultiLoggerExample.swift",
"SingleLoggerExample.swift",
"Support/LogExampleRow.swift"
],
"target_dependencies" : [
"Chronicle",
"ChronicleConsole"
],
"type" : "library"
},
{
"c99name" : "ChronicleConsole",
"module_type" : "SwiftTarget",
"name" : "ChronicleConsole",
"path" : "Sources/ChronicleConsole",
"product_memberships" : [
"ChronicleConsole",
"ChronicleExamples"
],
"sources" : [
"LogConsoleStore.swift",
"LogConsoleView.swift",
"Logger+Console.swift"
],
"target_dependencies" : [
"Chronicle"
],
"type" : "library"
},
{
"c99name" : "Chronicle",
"module_type" : "SwiftTarget",
"name" : "Chronicle",
"path" : "Sources/Chronicle",
"product_memberships" : [
"Chronicle",
"ChronicleConsole",
"ChronicleSwiftLogBridge",
"ChronicleExamples"
],
"sources" : [
"LogEntry.swift",
"LogEventSink.swift",
"LogLevel.swift",
"LogMetadata.swift",
"LogOutputOptions.swift",
"Logger.swift",
"Tag.swift"
],
"type" : "library"
}
],
"tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
Building for debugging...
[0/6] Write sources
[5/6] Write swift-version-2F0A5646E1D333AE.txt
[7/19] Compiling Logging MetadataProvider.swift
[8/19] Compiling Logging Logging.swift
[9/19] Compiling Logging LogHandler.swift
[10/19] Compiling Logging Locks.swift
[11/19] Emitting module Logging
[12/19] Compiling Chronicle Tag.swift
[13/19] Compiling Chronicle Logger.swift
/Users/admin/builder/spi-builder-workspace/Sources/Chronicle/Logger.swift:321:15: warning: result of call to 'sync(flags:execute:)' is unused
319 |
320 | public func removeEventSink(_ token: LogEventSinkToken) {
321 | queue.sync(flags: .barrier) {
| `- warning: result of call to 'sync(flags:execute:)' is unused
322 | eventSinks.removeValue(forKey: token.rawValue)
323 | }
[14/19] Compiling Chronicle LogOutputOptions.swift
[15/19] Compiling Chronicle LogEntry.swift
[16/19] Compiling Chronicle LogEventSink.swift
[17/19] Compiling Chronicle LogMetadata.swift
[18/19] Emitting module Chronicle
[19/19] Compiling Chronicle LogLevel.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[20/25] Emitting module ChronicleSwiftLogBridge
/Users/admin/builder/spi-builder-workspace/Sources/ChronicleSwiftLogBridge/SwiftLogIntegration.swift:14:26: error: 'Logger' is ambiguous for type lookup in this context
12 | /// A `swift-log` compatible handler that forwards messages into `Chronicle`.
13 | public struct ChronicleLogHandler: LogHandler {
14 | private var backend: Logger
| `- error: 'Logger' is ambiguous for type lookup in this context
15 | public var metadata: Logging.Logger.Metadata
16 | public var logLevel: Logging.Logger.Level {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:42:15: note: found this candidate
40 | /// logger.info("Hello World!")
41 | /// ```
42 | public struct Logger {
| `- note: found this candidate
43 | /// Storage class to hold the label and log handler
44 | // The storage implements CoW to become Sendable
/Users/admin/builder/spi-builder-workspace/Sources/Chronicle/Logger.swift:29:20: note: found this candidate
27 | /// ```
28 | /// Logger is @unchecked Sendable because all mutable state is protected by a concurrent queue or is immutable.
29 | public final class Logger: @unchecked Sendable {
| `- note: found this candidate
30 | // MARK: - Registry for Named Shared Logger Instances (Concurrency-safe for Swift 6)
31 | // The registry is encapsulated in a final class and marked @unchecked Sendable.
[21/25] Compiling ChronicleSwiftLogBridge SwiftLogIntegration.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChronicleSwiftLogBridge/SwiftLogIntegration.swift:14:26: error: 'Logger' is ambiguous for type lookup in this context
12 | /// A `swift-log` compatible handler that forwards messages into `Chronicle`.
13 | public struct ChronicleLogHandler: LogHandler {
14 | private var backend: Logger
| `- error: 'Logger' is ambiguous for type lookup in this context
15 | public var metadata: Logging.Logger.Metadata
16 | public var logLevel: Logging.Logger.Level {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:42:15: note: found this candidate
40 | /// logger.info("Hello World!")
41 | /// ```
42 | public struct Logger {
| `- note: found this candidate
43 | /// Storage class to hold the label and log handler
44 | // The storage implements CoW to become Sendable
/Users/admin/builder/spi-builder-workspace/Sources/Chronicle/Logger.swift:29:20: note: found this candidate
27 | /// ```
28 | /// Logger is @unchecked Sendable because all mutable state is protected by a concurrent queue or is immutable.
29 | public final class Logger: @unchecked Sendable {
| `- note: found this candidate
30 | // MARK: - Registry for Named Shared Logger Instances (Concurrency-safe for Swift 6)
31 | // The registry is encapsulated in a final class and marked @unchecked Sendable.
Fetching https://github.com/apple/swift-log.git from cache
Fetched https://github.com/apple/swift-log.git from cache (1.04s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.9.0 (1.56s)
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.9.0
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-2F0A5646E1D333AE.txt
[2/14] Compiling Logging LogHandler.swift
[3/14] Compiling Logging MetadataProvider.swift
[4/14] Compiling Logging Locks.swift
[5/14] Emitting module Logging
[6/14] Compiling Logging Logging.swift
[7/14] Compiling Chronicle Tag.swift
[8/14] Compiling Chronicle LogOutputOptions.swift
[9/14] Emitting module Chronicle
[10/14] Compiling Chronicle LogEventSink.swift
[11/14] Compiling Chronicle LogMetadata.swift
[12/14] Compiling Chronicle LogEntry.swift
[13/14] Compiling Chronicle Logger.swift
/Users/admin/builder/spi-builder-workspace/Sources/Chronicle/Logger.swift:321:15: warning: result of call to 'sync(flags:execute:)' is unused
319 |
320 | public func removeEventSink(_ token: LogEventSinkToken) {
321 | queue.sync(flags: .barrier) {
| `- warning: result of call to 'sync(flags:execute:)' is unused
322 | eventSinks.removeValue(forKey: token.rawValue)
323 | }
[14/14] Compiling Chronicle LogLevel.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[15/20] Emitting module ChronicleSwiftLogBridge
/Users/admin/builder/spi-builder-workspace/Sources/ChronicleSwiftLogBridge/SwiftLogIntegration.swift:14:26: error: 'Logger' is ambiguous for type lookup in this context
12 | /// A `swift-log` compatible handler that forwards messages into `Chronicle`.
13 | public struct ChronicleLogHandler: LogHandler {
14 | private var backend: Logger
| `- error: 'Logger' is ambiguous for type lookup in this context
15 | public var metadata: Logging.Logger.Metadata
16 | public var logLevel: Logging.Logger.Level {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:42:15: note: found this candidate
40 | /// logger.info("Hello World!")
41 | /// ```
42 | public struct Logger {
| `- note: found this candidate
43 | /// Storage class to hold the label and log handler
44 | // The storage implements CoW to become Sendable
/Users/admin/builder/spi-builder-workspace/Sources/Chronicle/Logger.swift:29:20: note: found this candidate
27 | /// ```
28 | /// Logger is @unchecked Sendable because all mutable state is protected by a concurrent queue or is immutable.
29 | public final class Logger: @unchecked Sendable {
| `- note: found this candidate
30 | // MARK: - Registry for Named Shared Logger Instances (Concurrency-safe for Swift 6)
31 | // The registry is encapsulated in a final class and marked @unchecked Sendable.
[16/20] Compiling ChronicleSwiftLogBridge SwiftLogIntegration.swift
/Users/admin/builder/spi-builder-workspace/Sources/ChronicleSwiftLogBridge/SwiftLogIntegration.swift:14:26: error: 'Logger' is ambiguous for type lookup in this context
12 | /// A `swift-log` compatible handler that forwards messages into `Chronicle`.
13 | public struct ChronicleLogHandler: LogHandler {
14 | private var backend: Logger
| `- error: 'Logger' is ambiguous for type lookup in this context
15 | public var metadata: Logging.Logger.Metadata
16 | public var logLevel: Logging.Logger.Level {
/Users/admin/builder/spi-builder-workspace/.build/checkouts/swift-log/Sources/Logging/Logging.swift:42:15: note: found this candidate
40 | /// logger.info("Hello World!")
41 | /// ```
42 | public struct Logger {
| `- note: found this candidate
43 | /// Storage class to hold the label and log handler
44 | // The storage implements CoW to become Sendable
/Users/admin/builder/spi-builder-workspace/Sources/Chronicle/Logger.swift:29:20: note: found this candidate
27 | /// ```
28 | /// Logger is @unchecked Sendable because all mutable state is protected by a concurrent queue or is immutable.
29 | public final class Logger: @unchecked Sendable {
| `- note: found this candidate
30 | // MARK: - Registry for Named Shared Logger Instances (Concurrency-safe for Swift 6)
31 | // The registry is encapsulated in a final class and marked @unchecked Sendable.
BUILD FAILURE 6.1 macosSpm