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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Successful build of DCSettings with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
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Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/davidcaddy/DCSettings.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/davidcaddy/DCSettings
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7d9ad3d Update availability check to include all platforms
Cloned https://github.com/davidcaddy/DCSettings.git
Revision (git rev-parse @):
7d9ad3d99df0e5262059ca53f921a47055ef5da7
SPI manifest file found: $workDir/.spi.yml
SUCCESS checkout https://github.com/davidcaddy/DCSettings.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/davidcaddy/DCSettings.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-6F35C1178C84523A.txt
[3/22] Emitting module DCSettings
/Users/admin/builder/spi-builder-workspace/Sources/DCSettings/Settings/DCSettingsManager.swift:37:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | /// manager.set(!darkMode, forKey: "darkMode")
 33 | /// ```
 34 | public class DCSettingsManager {
    |              `- note: class 'DCSettingsManager' does not conform to the 'Sendable' protocol
 35 |
 36 |     /// A shared instance of `DCSettingsManager`.
 37 |     public static let shared = DCSettingsManager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     public private(set) var groups: [DCSettingGroup] = []
[4/24] Compiling DCSettings DCSettingConfiguration.swift
[5/24] Compiling DCSettings DCSettingGroup.swift
[6/24] Compiling DCSettings NSUbiquitousKeyValueStore+DCKeyValueStore.swift
[7/24] Compiling DCSettings String+Extended.swift
[8/24] Compiling DCSettings DCStoredRepresentedValue.swift
/Users/admin/builder/spi-builder-workspace/Sources/DCSettings/Settings/DCSettingsManager.swift:37:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | /// manager.set(!darkMode, forKey: "darkMode")
 33 | /// ```
 34 | public class DCSettingsManager {
    |              `- note: class 'DCSettingsManager' does not conform to the 'Sendable' protocol
 35 |
 36 |     /// A shared instance of `DCSettingsManager`.
 37 |     public static let shared = DCSettingsManager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     public private(set) var groups: [DCSettingGroup] = []
[9/24] Compiling DCSettings DCStoredValue.swift
/Users/admin/builder/spi-builder-workspace/Sources/DCSettings/Settings/DCSettingsManager.swift:37:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | /// manager.set(!darkMode, forKey: "darkMode")
 33 | /// ```
 34 | public class DCSettingsManager {
    |              `- note: class 'DCSettingsManager' does not conform to the 'Sendable' protocol
 35 |
 36 |     /// A shared instance of `DCSettingsManager`.
 37 |     public static let shared = DCSettingsManager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     public private(set) var groups: [DCSettingGroup] = []
[10/24] Compiling DCSettings DCSettingViewProviding.swift
/Users/admin/builder/spi-builder-workspace/Sources/DCSettings/Settings/DCSettingsManager.swift:37:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | /// manager.set(!darkMode, forKey: "darkMode")
 33 | /// ```
 34 | public class DCSettingsManager {
    |              `- note: class 'DCSettingsManager' does not conform to the 'Sendable' protocol
 35 |
 36 |     /// A shared instance of `DCSettingsManager`.
 37 |     public static let shared = DCSettingsManager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     public private(set) var groups: [DCSettingGroup] = []
[11/24] Compiling DCSettings DCSettingsView.swift
/Users/admin/builder/spi-builder-workspace/Sources/DCSettings/Settings/DCSettingsManager.swift:37:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | /// manager.set(!darkMode, forKey: "darkMode")
 33 | /// ```
 34 | public class DCSettingsManager {
    |              `- note: class 'DCSettingsManager' does not conform to the 'Sendable' protocol
 35 |
 36 |     /// A shared instance of `DCSettingsManager`.
 37 |     public static let shared = DCSettingsManager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     public private(set) var groups: [DCSettingGroup] = []
[12/24] Compiling DCSettings DCSettingOption.swift
/Users/admin/builder/spi-builder-workspace/Sources/DCSettings/Settings/DCSettingsManager.swift:37:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | /// manager.set(!darkMode, forKey: "darkMode")
 33 | /// ```
 34 | public class DCSettingsManager {
    |              `- note: class 'DCSettingsManager' does not conform to the 'Sendable' protocol
 35 |
 36 |     /// A shared instance of `DCSettingsManager`.
 37 |     public static let shared = DCSettingsManager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     public private(set) var groups: [DCSettingGroup] = []
[13/24] Compiling DCSettings DCSettingsManager.swift
/Users/admin/builder/spi-builder-workspace/Sources/DCSettings/Settings/DCSettingsManager.swift:37:23: warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
 32 | /// manager.set(!darkMode, forKey: "darkMode")
 33 | /// ```
 34 | public class DCSettingsManager {
    |              `- note: class 'DCSettingsManager' does not conform to the 'Sendable' protocol
 35 |
 36 |     /// A shared instance of `DCSettingsManager`.
 37 |     public static let shared = DCSettingsManager()
    |                       |- warning: static property 'shared' is not concurrency-safe because non-'Sendable' type 'DCSettingsManager' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'shared' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 38 |
 39 |     public private(set) var groups: [DCSettingGroup] = []
[14/24] Compiling DCSettings Collection+Extended.swift
[15/24] Compiling DCSettings Color+Codable.swift
[16/24] Compiling DCSettings DCKeyRepresentableConformances.swift
[17/24] Compiling DCSettings Text+MonospacedDigit.swift
[18/24] Compiling DCSettings UserDefaults+DCKeyValueStore.swift
[19/24] Compiling DCSettings DCValueBounds.swift
[20/24] Compiling DCSettings DCKeyValueStore.swift
[21/24] Compiling DCSettings DCSettingStore.swift
[22/24] Compiling DCSettings DCSettingView.swift
[23/24] Compiling DCSettings DCKeyRepresentable.swift
[24/24] Compiling DCSettings DCSetting.swift
Build complete! (42.31s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DCSettings",
  "name" : "DCSettings",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "DCSettings",
      "targets" : [
        "DCSettings"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DCSettingsTests",
      "module_type" : "SwiftTarget",
      "name" : "DCSettingsTests",
      "path" : "Tests/DCSettingsTests",
      "sources" : [
        "DCSettingConfigurationTests.swift",
        "DCSettingGroupTests.swift",
        "DCSettingOptionTests.swift",
        "DCSettingTests.swift",
        "DCSettingsManagerTests.swift",
        "DCValueBoundsTests.swift",
        "Mocks/MockStore.swift"
      ],
      "target_dependencies" : [
        "DCSettings"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DCSettings",
      "module_type" : "SwiftTarget",
      "name" : "DCSettings",
      "path" : "Sources/DCSettings",
      "product_memberships" : [
        "DCSettings"
      ],
      "sources" : [
        "Extensions/Collection+Extended.swift",
        "Extensions/Color+Codable.swift",
        "Extensions/DCKeyRepresentableConformances.swift",
        "Extensions/NSUbiquitousKeyValueStore+DCKeyValueStore.swift",
        "Extensions/String+Extended.swift",
        "Extensions/Text+MonospacedDigit.swift",
        "Extensions/UserDefaults+DCKeyValueStore.swift",
        "Settings/DCKeyRepresentable.swift",
        "Settings/DCSetting.swift",
        "Settings/DCSettingConfiguration.swift",
        "Settings/DCSettingGroup.swift",
        "Settings/DCSettingOption.swift",
        "Settings/DCSettingsManager.swift",
        "Settings/DCStoredRepresentedValue.swift",
        "Settings/DCStoredValue.swift",
        "Settings/DCValueBounds.swift",
        "Store/DCKeyValueStore.swift",
        "Store/DCSettingStore.swift",
        "Views/DCSettingView.swift",
        "Views/DCSettingViewProviding.swift",
        "Views/DCSettingsView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.