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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 SGLImage, reference 2.2.0 (7aa96e), with Swift 6.0 (beta) for macOS (SPM) on 23 Jul 2024 23:57:05 UTC.

Swift 6 data race errors: 4

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Beta.3.app xcrun 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: 4.47.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftGL/Image.git
Reference: 2.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/SwiftGL/Image
 * tag               2.2.0      -> FETCH_HEAD
HEAD is now at 7aa96e7 Renamed podspec.
Cloned https://github.com/SwiftGL/Image.git
Revision (git rev-parse @):
7aa96e7548baa8d06619b97a1906012193f6eff8
SUCCESS checkout https://github.com/SwiftGL/Image.git at 2.2.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/SwiftGL/Image.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Beta.3.app xcrun 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--14728B76ED507284.txt
[3/9] Compiling SGLImage Inflate.swift
[4/9] Compiling SGLImage ImagePNG.swift
[5/9] Compiling SGLImage ImageGIF.swift
[6/9] Compiling SGLImage ImageLoader.swift
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:50:23: warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 48 |     // Default list of decoders. API user may change this.
 49 |     // Put imprecise and sloppy detections at the end.
 50 |     public static var decoders:[SGLImageDecoder.Type] = [
    |                       |- warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'decoders' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'decoders' 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
 51 |         SGLImageDecoderPNG.self,
 52 |         SGLImageDecoderBMP.self,
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:57:23: warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 55 |
 56 |     // Gamma for Float conversion. Float is linear color space.
 57 |     public static var gamma:Float = 2.2
    |                       |- warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'gamma' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'gamma' 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
 58 |     public var gamma:Float {
 59 |         get { return fGamma }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:66:23: warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |
 65 |     // Scale for Floats. Default is 0.0...1.0
 66 |     public static var scale:Float = 1.0
    |                       |- warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'scale' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'scale' 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
 67 |     public var scale:Float {
 68 |         get { return fScale }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:75:23: warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 |     // Set true to load images with 0,0 origin as bottom left.
 75 |     public static var flipVertical = false
    |                       |- warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'flipVertical' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'flipVertical' 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
 76 |     public var flipVertical:Bool = SGLImageLoader.flipVertical
 77 |
[7/9] Compiling SGLImage ImageBMP.swift
[8/9] Emitting module SGLImage
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:50:23: warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 48 |     // Default list of decoders. API user may change this.
 49 |     // Put imprecise and sloppy detections at the end.
 50 |     public static var decoders:[SGLImageDecoder.Type] = [
    |                       |- warning: static property 'decoders' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'decoders' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'decoders' 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
 51 |         SGLImageDecoderPNG.self,
 52 |         SGLImageDecoderBMP.self,
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:57:23: warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 55 |
 56 |     // Gamma for Float conversion. Float is linear color space.
 57 |     public static var gamma:Float = 2.2
    |                       |- warning: static property 'gamma' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'gamma' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'gamma' 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
 58 |     public var gamma:Float {
 59 |         get { return fGamma }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:66:23: warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 64 |
 65 |     // Scale for Floats. Default is 0.0...1.0
 66 |     public static var scale:Float = 1.0
    |                       |- warning: static property 'scale' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'scale' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'scale' 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
 67 |     public var scale:Float {
 68 |         get { return fScale }
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/ImageLoader.swift:75:23: warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
 73 |
 74 |     // Set true to load images with 0,0 origin as bottom left.
 75 |     public static var flipVertical = false
    |                       |- warning: static property 'flipVertical' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'flipVertical' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'flipVertical' 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
 76 |     public var flipVertical:Bool = SGLImageLoader.flipVertical
 77 |
[9/9] Compiling SGLImage Image.swift
/Users/admin/builder/spi-builder-workspace/Sources/SGLImage/Image.swift:119:29: warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
117 |
118 |     deinit {
119 |         buffer.baseAddress!.deallocate(capacity: buffer.count)
    |                             `- warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
120 |     }
121 |
Build complete! (7.53s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SGLImage",
  "name" : "SGLImage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SGLImage",
      "targets" : [
        "SGLImage"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SGLImageTests",
      "module_type" : "SwiftTarget",
      "name" : "SGLImageTests",
      "path" : "Tests/SGLImageTests",
      "sources" : [
        "SwiftGLresImage.swift"
      ],
      "target_dependencies" : [
        "SGLImage"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SGLImage",
      "module_type" : "SwiftTarget",
      "name" : "SGLImage",
      "path" : "Sources/SGLImage",
      "product_memberships" : [
        "SGLImage"
      ],
      "sources" : [
        "Image.swift",
        "ImageBMP.swift",
        "ImageGIF.swift",
        "ImageLoader.swift",
        "ImagePNG.swift",
        "Inflate.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.