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Build Information

Failed to build Shush, reference main (869603), with Swift 6.1 for macOS (SPM) on 24 Oct 2025 14:05:42 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dvkch/Shush.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dvkch/Shush
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8696030 Make some methods public
Cloned https://github.com/dvkch/Shush.git
Revision (git rev-parse @):
8696030ac4a37c0f43695131b4b6dba01d3aea8f
SUCCESS checkout https://github.com/dvkch/Shush.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dvkch/Shush.git
https://github.com/dvkch/Shush.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Shush",
  "name" : "Shush",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "Shush",
      "targets" : [
        "Shush"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "ShushTests",
      "module_type" : "SwiftTarget",
      "name" : "ShushTests",
      "path" : "Tests/ShushTests",
      "sources" : [
        "ShushTests.swift"
      ],
      "target_dependencies" : [
        "Shush"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Shush",
      "module_type" : "SwiftTarget",
      "name" : "Shush",
      "path" : "Sources/Shush",
      "product_memberships" : [
        "Shush"
      ],
      "sources" : [
        "Extensions/Array+Shush.swift",
        "Extensions/CollectionDifference+Shush.swift",
        "Extensions/NSMetadataItem+Shush.swift",
        "Extensions/NSMetadataQuery+Shush.swift",
        "Extensions/String+Shush.swift",
        "Extensions/URL+Shush.swift",
        "Helpers/Change.swift",
        "Helpers/CoordinatedFileManager.swift",
        "Helpers/StandardizedURL.swift",
        "Helpers/UbiquitousContainerMonitor.swift",
        "Protocols/Loggable.swift",
        "Protocols/Persistable.swift",
        "ShushDiagnostics.swift",
        "ShushFile.swift",
        "ShushFiles.swift",
        "ShushValue.swift",
        "ShushValues.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/19] Compiling Shush ShushDiagnostics.swift
[4/19] Compiling Shush ShushFile.swift
[5/19] Compiling Shush ShushValue.swift
[6/19] Compiling Shush ShushFiles.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:295:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
293 | }
294 |
295 | extension ShushFiles: UbiquityContainerMonitorDelegate {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
296 |     func ubiquityContainerMonitor(_ monitor: UbiquityContainerMonitor, inserted: [URL], updated: [URL], removed: [URL]) {
297 |         let insertions  = inserted.map { StandardizedURL(url: $0) }.filter { !disabledNotificationsURLs.contains($0) }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:309:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
307 | }
308 |
309 | extension ShushFiles: Loggable {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
310 |     var logTag: String {
311 |         return "FileArray(\(baseURL))"
[7/19] Compiling Shush Loggable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Protocols/Loggable.swift:49:9: error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
43 | }
44 |
45 | internal extension Loggable {
   |          `- note: add @available attribute to enclosing extension
46 |     func log(_ level: LogLevel = .info, _ message: String) {
   |          `- note: add @available attribute to enclosing instance method
47 |         #if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
48 |         let osLog = OSLog(subsystem: Bundle(for: LogClass.self).bundleIdentifier ?? "<Unknown>", category: logTag)
49 |         os_log(level.osLogType, log: osLog, "%@", message)
   |         |- error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
   |         `- note: add 'if #available' version check
50 |         #else
51 |         print("\(level.name): \(tag) - \(message)")
[8/19] Compiling Shush Persistable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Protocols/Loggable.swift:49:9: error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
43 | }
44 |
45 | internal extension Loggable {
   |          `- note: add @available attribute to enclosing extension
46 |     func log(_ level: LogLevel = .info, _ message: String) {
   |          `- note: add @available attribute to enclosing instance method
47 |         #if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
48 |         let osLog = OSLog(subsystem: Bundle(for: LogClass.self).bundleIdentifier ?? "<Unknown>", category: logTag)
49 |         os_log(level.osLogType, log: osLog, "%@", message)
   |         |- error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
   |         `- note: add 'if #available' version check
50 |         #else
51 |         print("\(level.name): \(tag) - \(message)")
[9/20] Compiling Shush Change.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/CoordinatedFileManager.swift:111:13: warning: capture of 'state' with non-sendable type 'CoordinatedFileManager.State' in a '@Sendable' closure
 79 |     }
 80 |
 81 |     private class State {
    |                   `- note: class 'State' does not conform to the 'Sendable' protocol
 82 |         init() {
 83 |             self.isReady = false
    :
109 |         coordinator.coordinate(with: intents, queue: queue) { coordError in
110 |             coordinatorError = coordError
111 |             state.isReady = true
    |             `- warning: capture of 'state' with non-sendable type 'CoordinatedFileManager.State' in a '@Sendable' closure
112 |             while !state.isFinished { usleep(1000) }
113 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/CoordinatedFileManager.swift:110:13: warning: mutation of captured var 'coordinatorError' in concurrently-executing code
108 |
109 |         coordinator.coordinate(with: intents, queue: queue) { coordError in
110 |             coordinatorError = coordError
    |             `- warning: mutation of captured var 'coordinatorError' in concurrently-executing code
111 |             state.isReady = true
112 |             while !state.isFinished { usleep(1000) }
[10/20] Compiling Shush CoordinatedFileManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/CoordinatedFileManager.swift:111:13: warning: capture of 'state' with non-sendable type 'CoordinatedFileManager.State' in a '@Sendable' closure
 79 |     }
 80 |
 81 |     private class State {
    |                   `- note: class 'State' does not conform to the 'Sendable' protocol
 82 |         init() {
 83 |             self.isReady = false
    :
109 |         coordinator.coordinate(with: intents, queue: queue) { coordError in
110 |             coordinatorError = coordError
111 |             state.isReady = true
    |             `- warning: capture of 'state' with non-sendable type 'CoordinatedFileManager.State' in a '@Sendable' closure
112 |             while !state.isFinished { usleep(1000) }
113 |         }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/CoordinatedFileManager.swift:110:13: warning: mutation of captured var 'coordinatorError' in concurrently-executing code
108 |
109 |         coordinator.coordinate(with: intents, queue: queue) { coordError in
110 |             coordinatorError = coordError
    |             `- warning: mutation of captured var 'coordinatorError' in concurrently-executing code
111 |             state.isReady = true
112 |             while !state.isFinished { usleep(1000) }
[11/20] Compiling Shush StandardizedURL.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:90:33: error: 'difference(from:)' is only available in macOS 10.15 or newer
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 88 |
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
    |                                 |- error: 'difference(from:)' is only available in macOS 10.15 or newer
    |                                 `- note: add 'if #available' version check
 91 |         guard diff.isNotEmpty else { return }
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:91:20: warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
 91 |         guard diff.isNotEmpty else { return }
    |                    |- warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
 92 |
 93 |         let changes = diff.changes
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:75:17: warning: capture of 'self' with non-sendable type 'UbiquityContainerMonitor' in a '@Sendable' closure
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: class 'UbiquityContainerMonitor' does not conform to the 'Sendable' protocol
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
 75 |                 self.processChanges()
    |                 `- warning: capture of 'self' with non-sendable type 'UbiquityContainerMonitor' in a '@Sendable' closure
 76 |             }
 77 |             return
[12/20] Compiling Shush UbiquitousContainerMonitor.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:90:33: error: 'difference(from:)' is only available in macOS 10.15 or newer
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 88 |
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
    |                                 |- error: 'difference(from:)' is only available in macOS 10.15 or newer
    |                                 `- note: add 'if #available' version check
 91 |         guard diff.isNotEmpty else { return }
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:91:20: warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
 91 |         guard diff.isNotEmpty else { return }
    |                    |- warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
 92 |
 93 |         let changes = diff.changes
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:75:17: warning: capture of 'self' with non-sendable type 'UbiquityContainerMonitor' in a '@Sendable' closure
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: class 'UbiquityContainerMonitor' does not conform to the 'Sendable' protocol
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
 75 |                 self.processChanges()
    |                 `- warning: capture of 'self' with non-sendable type 'UbiquityContainerMonitor' in a '@Sendable' closure
 76 |             }
 77 |             return
[13/20] Compiling Shush String+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:20: error: 'SHA256' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                    |- error: 'SHA256' is only available in macOS 10.15 or newer
   |                    `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:27: error: 'hash(data:)' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                           |- error: 'hash(data:)' is only available in macOS 10.15 or newer
   |                           `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:16:21: warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
16 |         return hash.map { String(format: "%02x", $0) }.joined()
   |                     |- warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                     `- note: add 'if #available' version check
17 |     }
18 | }
[14/20] Compiling Shush URL+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:20: error: 'SHA256' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                    |- error: 'SHA256' is only available in macOS 10.15 or newer
   |                    `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:27: error: 'hash(data:)' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                           |- error: 'hash(data:)' is only available in macOS 10.15 or newer
   |                           `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:16:21: warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
16 |         return hash.map { String(format: "%02x", $0) }.joined()
   |                     |- warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                     `- note: add 'if #available' version check
17 |     }
18 | }
[15/20] Compiling Shush NSMetadataItem+Shush.swift
[16/20] Compiling Shush NSMetadataQuery+Shush.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[17/20] Emitting module Shush
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:11:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
 9 | import Foundation
10 |
11 | internal extension CollectionDifference.Change {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
12 |     var element: ChangeElement {
13 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:62: error: 'Identifiable' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |                                                   `- error: 'Identifiable' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:295:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
293 | }
294 |
295 | extension ShushFiles: UbiquityContainerMonitorDelegate {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
296 |     func ubiquityContainerMonitor(_ monitor: UbiquityContainerMonitor, inserted: [URL], updated: [URL], removed: [URL]) {
297 |         let insertions  = inserted.map { StandardizedURL(url: $0) }.filter { !disabledNotificationsURLs.contains($0) }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:309:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
307 | }
308 |
309 | extension ShushFiles: Loggable {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
310 |     var logTag: String {
311 |         return "FileArray(\(baseURL))"
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushValues.swift:196:11: error: 'ShushValues' is only available in macOS 10.15 or newer
194 | }
195 |
196 | extension ShushValues: Loggable {
    | |         `- error: 'ShushValues' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
197 |     var logTag: String {
198 |         return "ShushValues(\(`prefix`))"
[18/20] Compiling Shush Array+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:11:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
 9 | import Foundation
10 |
11 | internal extension CollectionDifference.Change {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
12 |     var element: ChangeElement {
13 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:62: error: 'Identifiable' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |                                                   `- error: 'Identifiable' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
[19/20] Compiling Shush CollectionDifference+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:11:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
 9 | import Foundation
10 |
11 | internal extension CollectionDifference.Change {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
12 |     var element: ChangeElement {
13 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:62: error: 'Identifiable' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |                                                   `- error: 'Identifiable' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
[20/20] Compiling Shush ShushValues.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushValues.swift:196:11: error: 'ShushValues' is only available in macOS 10.15 or newer
194 | }
195 |
196 | extension ShushValues: Loggable {
    | |         `- error: 'ShushValues' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
197 |     var logTag: String {
198 |         return "ShushValues(\(`prefix`))"
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
[2/18] Compiling Shush ShushFiles.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:295:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
293 | }
294 |
295 | extension ShushFiles: UbiquityContainerMonitorDelegate {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
296 |     func ubiquityContainerMonitor(_ monitor: UbiquityContainerMonitor, inserted: [URL], updated: [URL], removed: [URL]) {
297 |         let insertions  = inserted.map { StandardizedURL(url: $0) }.filter { !disabledNotificationsURLs.contains($0) }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:309:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
307 | }
308 |
309 | extension ShushFiles: Loggable {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
310 |     var logTag: String {
311 |         return "FileArray(\(baseURL))"
[3/19] Compiling Shush ShushValue.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/19] Compiling Shush NSMetadataItem+Shush.swift
[5/19] Compiling Shush NSMetadataQuery+Shush.swift
[6/19] Compiling Shush Change.swift
[7/19] Compiling Shush CoordinatedFileManager.swift
[8/19] Compiling Shush ShushDiagnostics.swift
[9/19] Compiling Shush ShushFile.swift
[10/19] Compiling Shush Loggable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Protocols/Loggable.swift:49:9: error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
43 | }
44 |
45 | internal extension Loggable {
   |          `- note: add @available attribute to enclosing extension
46 |     func log(_ level: LogLevel = .info, _ message: String) {
   |          `- note: add @available attribute to enclosing instance method
47 |         #if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
48 |         let osLog = OSLog(subsystem: Bundle(for: LogClass.self).bundleIdentifier ?? "<Unknown>", category: logTag)
49 |         os_log(level.osLogType, log: osLog, "%@", message)
   |         |- error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
   |         `- note: add 'if #available' version check
50 |         #else
51 |         print("\(level.name): \(tag) - \(message)")
[11/19] Compiling Shush Persistable.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Protocols/Loggable.swift:49:9: error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
43 | }
44 |
45 | internal extension Loggable {
   |          `- note: add @available attribute to enclosing extension
46 |     func log(_ level: LogLevel = .info, _ message: String) {
   |          `- note: add @available attribute to enclosing instance method
47 |         #if os(macOS) || os(iOS) || os(tvOS) || os(watchOS)
48 |         let osLog = OSLog(subsystem: Bundle(for: LogClass.self).bundleIdentifier ?? "<Unknown>", category: logTag)
49 |         os_log(level.osLogType, log: osLog, "%@", message)
   |         |- error: 'os_log(_:dso:log:_:_:)' is only available in macOS 10.14 or newer
   |         `- note: add 'if #available' version check
50 |         #else
51 |         print("\(level.name): \(tag) - \(message)")
[12/19] Emitting module Shush
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:11:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
 9 | import Foundation
10 |
11 | internal extension CollectionDifference.Change {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
12 |     var element: ChangeElement {
13 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:62: error: 'Identifiable' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |                                                   `- error: 'Identifiable' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:295:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
293 | }
294 |
295 | extension ShushFiles: UbiquityContainerMonitorDelegate {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
296 |     func ubiquityContainerMonitor(_ monitor: UbiquityContainerMonitor, inserted: [URL], updated: [URL], removed: [URL]) {
297 |         let insertions  = inserted.map { StandardizedURL(url: $0) }.filter { !disabledNotificationsURLs.contains($0) }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushFiles.swift:309:11: error: 'ShushFiles' is only available in macOS 10.15 or newer
307 | }
308 |
309 | extension ShushFiles: Loggable {
    | |         `- error: 'ShushFiles' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
310 |     var logTag: String {
311 |         return "FileArray(\(baseURL))"
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushValues.swift:196:11: error: 'ShushValues' is only available in macOS 10.15 or newer
194 | }
195 |
196 | extension ShushValues: Loggable {
    | |         `- error: 'ShushValues' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
197 |     var logTag: String {
198 |         return "ShushValues(\(`prefix`))"
[13/19] Compiling Shush StandardizedURL.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:90:33: error: 'difference(from:)' is only available in macOS 10.15 or newer
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 88 |
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
    |                                 |- error: 'difference(from:)' is only available in macOS 10.15 or newer
    |                                 `- note: add 'if #available' version check
 91 |         guard diff.isNotEmpty else { return }
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:91:20: warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
 91 |         guard diff.isNotEmpty else { return }
    |                    |- warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
 92 |
 93 |         let changes = diff.changes
[14/19] Compiling Shush UbiquitousContainerMonitor.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:90:33: error: 'difference(from:)' is only available in macOS 10.15 or newer
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 88 |
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
    |                                 |- error: 'difference(from:)' is only available in macOS 10.15 or newer
    |                                 `- note: add 'if #available' version check
 91 |         guard diff.isNotEmpty else { return }
 92 |
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Helpers/UbiquitousContainerMonitor.swift:91:20: warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
 15 | // https://developer.apple.com/documentation/uikit/documents_data_and_pasteboard/synchronizing_documents_in_the_icloud_environment
 16 | // https://github.com/drewmccormack/SwiftCloudDrive/blob/main/Sources/SwiftCloudDrive/MetadataMonitor.swift
 17 | class UbiquityContainerMonitor {
    |       `- note: add @available attribute to enclosing class
 18 |     // MARK: Init
 19 |     init(baseURL: URL, fileExtension: String?, interval: TimeInterval) {
    :
 70 |
 71 |     // MARK: Updates handling
 72 |     @objc private func processChanges() {
    |                        `- note: add @available attribute to enclosing instance method
 73 |         guard !Thread.isMainThread else {
 74 |             DispatchQueue.global(qos: .utility).async {
    :
 89 |         // Inform observer
 90 |         let diff = visibleItems.difference(from: self.visibleItems)
 91 |         guard diff.isNotEmpty else { return }
    |                    |- warning: conformance of 'CollectionDifference<ChangeElement>' to 'Collection' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
    |                    `- note: add 'if #available' version check
 92 |
 93 |         let changes = diff.changes
[15/19] Compiling Shush String+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:20: error: 'SHA256' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                    |- error: 'SHA256' is only available in macOS 10.15 or newer
   |                    `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:27: error: 'hash(data:)' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                           |- error: 'hash(data:)' is only available in macOS 10.15 or newer
   |                           `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:16:21: warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
16 |         return hash.map { String(format: "%02x", $0) }.joined()
   |                     |- warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                     `- note: add 'if #available' version check
17 |     }
18 | }
[16/19] Compiling Shush URL+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:20: error: 'SHA256' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                    |- error: 'SHA256' is only available in macOS 10.15 or newer
   |                    `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:15:27: error: 'hash(data:)' is only available in macOS 10.15 or newer
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
   |                           |- error: 'hash(data:)' is only available in macOS 10.15 or newer
   |                           `- note: add 'if #available' version check
16 |         return hash.map { String(format: "%02x", $0) }.joined()
17 |     }
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/String+Shush.swift:16:21: warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
10 | import CryptoKit
11 |
12 | internal extension String {
   |          `- note: add @available attribute to enclosing extension
13 |     var sha256: String {
   |         `- note: add @available attribute to enclosing property
14 |         let data = data(using: .utf8)!
15 |         let hash = SHA256.hash(data: data)
16 |         return hash.map { String(format: "%02x", $0) }.joined()
   |                     |- warning: conformance of 'SHA256Digest' to 'Sequence' is only available in macOS 10.15 or newer; this is an error in the Swift 6 language mode
   |                     `- note: add 'if #available' version check
17 |     }
18 | }
[17/19] Compiling Shush Array+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:11:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
 9 | import Foundation
10 |
11 | internal extension CollectionDifference.Change {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
12 |     var element: ChangeElement {
13 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:62: error: 'Identifiable' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |                                                   `- error: 'Identifiable' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
[18/19] Compiling Shush CollectionDifference+Shush.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:11:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
 9 | import Foundation
10 |
11 | internal extension CollectionDifference.Change {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
12 |     var element: ChangeElement {
13 |         switch self {
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:20: error: 'CollectionDifference' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |         `- error: 'CollectionDifference' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
/Users/admin/builder/spi-builder-workspace/Sources/Shush/Extensions/CollectionDifference+Shush.swift:20:62: error: 'Identifiable' is only available in macOS 10.15 or newer
18 | }
19 |
20 | internal extension CollectionDifference where ChangeElement: Identifiable {
   |          |                                                   `- error: 'Identifiable' is only available in macOS 10.15 or newer
   |          `- note: add @available attribute to enclosing extension
21 |     var changes: (inserted: [ChangeElement], updated: [ChangeElement], removed: [ChangeElement]) {
22 |         var inserted = self.insertions.map(\.element)
[19/19] Compiling Shush ShushValues.swift
/Users/admin/builder/spi-builder-workspace/Sources/Shush/ShushValues.swift:196:11: error: 'ShushValues' is only available in macOS 10.15 or newer
194 | }
195 |
196 | extension ShushValues: Loggable {
    | |         `- error: 'ShushValues' is only available in macOS 10.15 or newer
    | `- note: add @available attribute to enclosing extension
197 |     var logTag: String {
198 |         return "ShushValues(\(`prefix`))"
BUILD FAILURE 6.1 macosSpm