Swift Package Index

Build Information

Successful build of DCLib, reference 1.2.2 (a05327), with Swift 6.1 for macOS (SPM) on 24 Feb 2026 07:29:00 UTC.

Swift 6 data race errors: 1

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

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DenDmitriev/DominantColors.git
Reference: 1.2.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DenDmitriev/DominantColors
 * tag               1.2.2      -> FETCH_HEAD
HEAD is now at a05327d Merge pull request #23 from HereNotThere/fix-out-bounds-dominant-colors
Cloned https://github.com/DenDmitriev/DominantColors.git
Revision (git rev-parse @):
a05327d36092c47e9ddc77ce565eb35a5b4a4a6e
SUCCESS checkout https://github.com/DenDmitriev/DominantColors.git at 1.2.2
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/DenDmitriev/DominantColors.git
https://github.com/DenDmitriev/DominantColors.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DCLib",
  "name" : "DCLib",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "DominantColors",
      "targets" : [
        "DominantColors"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DominantColorsTests",
      "module_type" : "SwiftTarget",
      "name" : "DominantColorsTests",
      "path" : "Tests/DominantColorsTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/DominantColorsTests/Media.xcassets",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "AverageColorTests.swift",
        "CGFloatExtensionsTests.swift",
        "CGSizeExtensionsTests.swift",
        "ColorDifferenceTest.swift",
        "ColorFrequencyTests.swift",
        "ColorShadeTests.swift",
        "ComparisonTests.swift",
        "ComplementaryColorTests.swift",
        "ContrastColorsTests.swift",
        "ContrastRatioTests.swift",
        "DominantColorQualityTests.swift",
        "DominantColorsTests.swift",
        "ExtractColorsTests.swift",
        "FIlterBlackWhiteTests.swift",
        "FilterImageTests.swift",
        "GradientColorsTests.swift",
        "HSLTests.swift",
        "HexTests.swift",
        "LabTests.swift",
        "RGBTests.swift",
        "RelativeLuminanceTests.swift",
        "XYZTests.swift"
      ],
      "target_dependencies" : [
        "DominantColors"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DominantColors",
      "module_type" : "SwiftTarget",
      "name" : "DominantColors",
      "path" : "Sources/DominantColors",
      "product_memberships" : [
        "DominantColors"
      ],
      "sources" : [
        "AverageColor+UIColor.swift",
        "AverageColor.swift",
        "ColorFrequency.swift",
        "ColorPalette/ContrastColors.swift",
        "Colors/ColorShade.swift",
        "Colors/HSL.swift",
        "Colors/Hex.swift",
        "Colors/Lab.swift",
        "Colors/RGB.swift",
        "Colors/RGB255.swift",
        "Colors/XYZ.swift",
        "ComplementaryColor.swift",
        "ContrastRatio.swift",
        "DeltaEFormula.swift",
        "Difference.swift",
        "DominantColorAlgorithm.swift",
        "DominantColorQuality.swift",
        "DominantColors+CIAreaAverage.swift",
        "DominantColors+CIE.swift",
        "DominantColors+CIKMeans.swift",
        "DominantColors+ColorResolved.swift",
        "DominantColors+NSColor.swift",
        "DominantColors+UIColor.swift",
        "DominantColors.swift",
        "Extensions/CGFloatExtensions.swift",
        "Extensions/CGImageExtensions.swift",
        "Extensions/CGSizeExtensions.swift",
        "Extensions/NSImageExtension.swift",
        "Extensions/UIImageExtension.swift",
        "GradientColors.swift",
        "ImageColorError.swift",
        "ImageFIlter.swift",
        "ImageTrimAlpha.swift",
        "RelativeLuminance.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
[3/34] Emitting module DominantColors
/Users/admin/builder/spi-builder-workspace/Sources/DominantColors/DominantColors+CIE.swift:580:24: warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
578 |     }
579 |
580 |     private static var grayColorSpaces: [CGColorSpace?] = [
    |                        |- warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'grayColorSpaces' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'grayColorSpaces' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
581 |         CGColorSpace(name: CGColorSpace.genericGrayGamma2_2),
582 |         CGColorSpace(name: CGColorSpace.linearGray),
[4/37] Compiling DominantColors UIImageExtension.swift
[5/37] Compiling DominantColors GradientColors.swift
[6/37] Compiling DominantColors ImageColorError.swift
[7/37] Compiling DominantColors DominantColors+UIColor.swift
[8/37] Compiling DominantColors DominantColors.swift
[9/37] Compiling DominantColors CGFloatExtensions.swift
[10/37] Compiling DominantColors AverageColor+UIColor.swift
[11/37] Compiling DominantColors AverageColor.swift
[12/37] Compiling DominantColors ColorFrequency.swift
[13/37] Compiling DominantColors ContrastColors.swift
[14/37] Compiling DominantColors ColorShade.swift
[15/37] Compiling DominantColors HSL.swift
[16/37] Compiling DominantColors Hex.swift
[17/37] Compiling DominantColors Lab.swift
[18/37] Compiling DominantColors ImageFIlter.swift
[19/37] Compiling DominantColors ImageTrimAlpha.swift
[20/37] Compiling DominantColors RelativeLuminance.swift
[21/37] Compiling DominantColors ContrastRatio.swift
[22/37] Compiling DominantColors DeltaEFormula.swift
[23/37] Compiling DominantColors Difference.swift
[24/37] Compiling DominantColors DominantColorAlgorithm.swift
[25/37] Compiling DominantColors RGB.swift
[26/37] Compiling DominantColors RGB255.swift
[27/37] Compiling DominantColors XYZ.swift
[28/37] Compiling DominantColors ComplementaryColor.swift
[29/37] Compiling DominantColors CGImageExtensions.swift
[30/37] Compiling DominantColors CGSizeExtensions.swift
[31/37] Compiling DominantColors NSImageExtension.swift
[32/37] Compiling DominantColors DominantColors+CIKMeans.swift
[33/37] Compiling DominantColors DominantColors+ColorResolved.swift
[34/37] Compiling DominantColors DominantColors+NSColor.swift
[35/37] Compiling DominantColors DominantColorQuality.swift
/Users/admin/builder/spi-builder-workspace/Sources/DominantColors/DominantColors+CIE.swift:580:24: warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
578 |     }
579 |
580 |     private static var grayColorSpaces: [CGColorSpace?] = [
    |                        |- warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'grayColorSpaces' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'grayColorSpaces' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
581 |         CGColorSpace(name: CGColorSpace.genericGrayGamma2_2),
582 |         CGColorSpace(name: CGColorSpace.linearGray),
[36/37] Compiling DominantColors DominantColors+CIAreaAverage.swift
/Users/admin/builder/spi-builder-workspace/Sources/DominantColors/DominantColors+CIE.swift:580:24: warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
578 |     }
579 |
580 |     private static var grayColorSpaces: [CGColorSpace?] = [
    |                        |- warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'grayColorSpaces' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'grayColorSpaces' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
581 |         CGColorSpace(name: CGColorSpace.genericGrayGamma2_2),
582 |         CGColorSpace(name: CGColorSpace.linearGray),
[37/37] Compiling DominantColors DominantColors+CIE.swift
/Users/admin/builder/spi-builder-workspace/Sources/DominantColors/DominantColors+CIE.swift:580:24: warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
578 |     }
579 |
580 |     private static var grayColorSpaces: [CGColorSpace?] = [
    |                        |- warning: static property 'grayColorSpaces' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                        |- note: convert 'grayColorSpaces' to a 'let' constant to make 'Sendable' shared state immutable
    |                        |- note: add '@MainActor' to make static property 'grayColorSpaces' part of global actor 'MainActor'
    |                        `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
581 |         CGColorSpace(name: CGColorSpace.genericGrayGamma2_2),
582 |         CGColorSpace(name: CGColorSpace.linearGray),
Build complete! (8.52s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DCLib",
  "name" : "DCLib",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
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      "name" : "ios",
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    {
      "name" : "tvos",
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    {
      "name" : "watchos",
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  ],
  "products" : [
    {
      "name" : "DominantColors",
      "targets" : [
        "DominantColors"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DominantColorsTests",
      "module_type" : "SwiftTarget",
      "name" : "DominantColorsTests",
      "path" : "Tests/DominantColorsTests",
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Tests/DominantColorsTests/Media.xcassets",
          "rule" : {
            "process" : {
            }
          }
        }
      ],
      "sources" : [
        "AverageColorTests.swift",
        "CGFloatExtensionsTests.swift",
        "CGSizeExtensionsTests.swift",
        "ColorDifferenceTest.swift",
        "ColorFrequencyTests.swift",
        "ColorShadeTests.swift",
        "ComparisonTests.swift",
        "ComplementaryColorTests.swift",
        "ContrastColorsTests.swift",
        "ContrastRatioTests.swift",
        "DominantColorQualityTests.swift",
        "DominantColorsTests.swift",
        "ExtractColorsTests.swift",
        "FIlterBlackWhiteTests.swift",
        "FilterImageTests.swift",
        "GradientColorsTests.swift",
        "HSLTests.swift",
        "HexTests.swift",
        "LabTests.swift",
        "RGBTests.swift",
        "RelativeLuminanceTests.swift",
        "XYZTests.swift"
      ],
      "target_dependencies" : [
        "DominantColors"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DominantColors",
      "module_type" : "SwiftTarget",
      "name" : "DominantColors",
      "path" : "Sources/DominantColors",
      "product_memberships" : [
        "DominantColors"
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      "sources" : [
        "AverageColor+UIColor.swift",
        "AverageColor.swift",
        "ColorFrequency.swift",
        "ColorPalette/ContrastColors.swift",
        "Colors/ColorShade.swift",
        "Colors/HSL.swift",
        "Colors/Hex.swift",
        "Colors/Lab.swift",
        "Colors/RGB.swift",
        "Colors/RGB255.swift",
        "Colors/XYZ.swift",
        "ComplementaryColor.swift",
        "ContrastRatio.swift",
        "DeltaEFormula.swift",
        "Difference.swift",
        "DominantColorAlgorithm.swift",
        "DominantColorQuality.swift",
        "DominantColors+CIAreaAverage.swift",
        "DominantColors+CIE.swift",
        "DominantColors+CIKMeans.swift",
        "DominantColors+ColorResolved.swift",
        "DominantColors+NSColor.swift",
        "DominantColors+UIColor.swift",
        "DominantColors.swift",
        "Extensions/CGFloatExtensions.swift",
        "Extensions/CGImageExtensions.swift",
        "Extensions/CGSizeExtensions.swift",
        "Extensions/NSImageExtension.swift",
        "Extensions/UIImageExtension.swift",
        "GradientColors.swift",
        "ImageColorError.swift",
        "ImageFIlter.swift",
        "ImageTrimAlpha.swift",
        "RelativeLuminance.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.