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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 SwiftSound, reference main (abb8dc), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 15:04:44 UTC.

Swift 6 data race errors: 0

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mesqueeb/SwiftSound.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mesqueeb/SwiftSound
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at abb8dcd chore: add homebrew installation
Cloned https://github.com/mesqueeb/SwiftSound.git
Revision (git rev-parse @):
abb8dcd71fcec817dc99157956aaa25031ee809f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mesqueeb/SwiftSound.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/mesqueeb/SwiftSound.git
https://github.com/mesqueeb/SwiftSound.git
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.3.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "swiftplot",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/KarthikRIyer/swiftplot.git"
    }
  ],
  "manifest_display_name" : "SwiftSound",
  "name" : "SwiftSound",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftSound",
      "targets" : [
        "SwiftSound"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "fft",
      "targets" : [
        "FFT"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftSound",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSound",
      "path" : "Sources/SwiftSound",
      "product_dependencies" : [
        "SwiftPlot",
        "SVGRenderer"
      ],
      "product_memberships" : [
        "SwiftSound",
        "fft"
      ],
      "sources" : [
        "fft.swift",
        "readRawAudio.swift",
        "revealInFinder.swift",
        "spectrumToSvg.swift",
        "stft.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FFT",
      "module_type" : "SwiftTarget",
      "name" : "FFT",
      "path" : "Sources/FFT",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "fft"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SwiftSound"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/12] Write sources
[6/12] Write fft-entitlement.plist
[7/12] Write sources
[8/12] Write swift-version-2F0A5646E1D333AE.txt
[10/45] Emitting module ArgumentParserToolInfo
[11/45] Compiling ArgumentParserToolInfo ToolInfo.swift
[12/84] Compiling ArgumentParser ArgumentSet.swift
[13/84] Compiling ArgumentParser CommandParser.swift
[14/84] Compiling ArgumentParser InputKey.swift
[15/87] Compiling ArgumentParser ArgumentHelp.swift
[16/87] Compiling ArgumentParser ArgumentVisibility.swift
[17/87] Compiling ArgumentParser CompletionKind.swift
[18/87] Compiling ArgumentParser Errors.swift
[19/87] Compiling ArgumentParser Flag.swift
[20/91] Compiling SwiftPlot SequencePlots.swift
[21/91] Compiling SwiftPlot Series.swift
[22/91] Compiling SwiftPlot SubPlot.swift
[23/91] Emitting module ArgumentParser
[24/91] Compiling ArgumentParser NameSpecification.swift
[25/91] Compiling ArgumentParser Option.swift
[26/91] Compiling ArgumentParser OptionGroup.swift
[27/91] Compiling ArgumentParser AsyncParsableCommand.swift
[28/91] Compiling ArgumentParser InputOrigin.swift
[29/91] Compiling ArgumentParser Name.swift
[30/91] Compiling ArgumentParser Parsed.swift
[31/91] Compiling ArgumentParser ParsedValues.swift
[32/91] Compiling ArgumentParser BashCompletionsGenerator.swift
[33/91] Compiling ArgumentParser CompletionsGenerator.swift
[34/91] Compiling ArgumentParser FishCompletionsGenerator.swift
[35/91] Compiling ArgumentParser ZshCompletionsGenerator.swift
[36/91] Compiling ArgumentParser Argument.swift
[37/91] Emitting module SwiftPlot
[38/91] Compiling ArgumentParser Platform.swift
[39/91] Compiling ArgumentParser SequenceExtensions.swift
[40/91] Compiling ArgumentParser StringExtensions.swift
[41/91] Compiling ArgumentParser Tree.swift
[53/91] Compiling ArgumentParser ArgumentDefinition.swift
[54/91] Compiling ArgumentParser CollectionExtensions.swift
[55/91] Compiling ArgumentParser ParsableArguments.swift
[56/91] Compiling ArgumentParser ParsableArgumentsValidation.swift
[57/91] Compiling ArgumentParser HelpGenerator.swift
[58/91] Compiling ArgumentParser MessageInfo.swift
[59/91] Compiling ArgumentParser UsageGenerator.swift
[66/91] Compiling ArgumentParser ParsableCommand.swift
[67/91] Compiling ArgumentParser ArgumentDecoder.swift
[80/91] Compiling ArgumentParser ExpressibleByArgument.swift
[85/91] Compiling ArgumentParser ParserError.swift
[86/91] Compiling ArgumentParser SplitArguments.swift
[87/91] Compiling ArgumentParser DumpHelpGenerator.swift
[88/91] Compiling ArgumentParser HelpCommand.swift
[89/93] Compiling SVGRenderer SVGRenderer.swift
[90/93] Emitting module SVGRenderer
[91/99] Compiling SwiftSound readRawAudio.swift
[92/99] Compiling SwiftSound spectrumToSvg.swift
[93/99] Compiling SwiftSound stft.swift
[94/99] Compiling SwiftSound revealInFinder.swift
[95/99] Compiling SwiftSound fft.swift
[96/99] Emitting module SwiftSound
[97/101] Emitting module FFT
[98/101] Compiling FFT main.swift
[98/101] Write Objects.LinkFileList
[99/101] Linking fft
[100/101] Applying fft
Build complete! (17.47s)
Fetching https://github.com/KarthikRIyer/swiftplot.git
Fetching https://github.com/apple/swift-argument-parser from cache
[1/6708] Fetching swiftplot
Fetched https://github.com/apple/swift-argument-parser from cache (0.72s)
Fetched https://github.com/KarthikRIyer/swiftplot.git from cache (1.71s)
Computing version for https://github.com/KarthikRIyer/swiftplot.git
Computed https://github.com/KarthikRIyer/swiftplot.git at 2.0.0 (2.76s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.50s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.5.0
Creating working copy for https://github.com/KarthikRIyer/swiftplot.git
Working copy of https://github.com/KarthikRIyer/swiftplot.git resolved at 2.0.0
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install freetype2 using your system-packager:
    brew install freetype2
warning: you may be able to install freetype2 using your system-packager:
    brew install freetype2
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.3.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "swiftplot",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/KarthikRIyer/swiftplot.git"
    }
  ],
  "manifest_display_name" : "SwiftSound",
  "name" : "SwiftSound",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftSound",
      "targets" : [
        "SwiftSound"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "fft",
      "targets" : [
        "FFT"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftSound",
      "module_type" : "SwiftTarget",
      "name" : "SwiftSound",
      "path" : "Sources/SwiftSound",
      "product_dependencies" : [
        "SwiftPlot",
        "SVGRenderer"
      ],
      "product_memberships" : [
        "SwiftSound",
        "fft"
      ],
      "sources" : [
        "fft.swift",
        "readRawAudio.swift",
        "revealInFinder.swift",
        "spectrumToSvg.swift",
        "stft.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "FFT",
      "module_type" : "SwiftTarget",
      "name" : "FFT",
      "path" : "Sources/FFT",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "fft"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "SwiftSound"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.0"
}
Done.