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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 archer, reference master (3aead0), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 11:51:52 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/tayloraswift/archer.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tayloraswift/archer
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3aead02 adopt withSingleDash: true
Cloned https://github.com/tayloraswift/archer.git
Revision (git rev-parse @):
3aead02a105ebf24a150f23498589d5ca8037d41
SUCCESS checkout https://github.com/tayloraswift/archer.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/tayloraswift/archer.git
https://github.com/tayloraswift/archer.git
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "wasmtransformer",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.5.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftwasm/WasmTransformer"
    },
    {
      "identity" : "swift-io",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tayloraswift/swift-io"
    }
  ],
  "manifest_display_name" : "archer",
  "name" : "archer",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "18.0"
    },
    {
      "name" : "visionos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "archer",
      "targets" : [
        "ArcherCommands"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_GitVersion",
      "module_type" : "ClangTarget",
      "name" : "_GitVersion",
      "path" : "Sources/_GitVersion",
      "product_memberships" : [
        "archer"
      ],
      "sources" : [
        "swiftpm_git_version.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ArcherCommands",
      "module_type" : "SwiftTarget",
      "name" : "ArcherCommands",
      "path" : "Sources/ArcherCommands",
      "product_dependencies" : [
        "ArgumentParser",
        "System_ArgumentParser"
      ],
      "product_memberships" : [
        "archer"
      ],
      "sources" : [
        "ArcherCommand.Crush.swift",
        "ArcherCommand.Init.swift",
        "ArcherCommand.Version.swift",
        "ArcherCommand.swift"
      ],
      "target_dependencies" : [
        "Archer",
        "_GitVersion"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Archer",
      "module_type" : "SwiftTarget",
      "name" : "Archer",
      "path" : "Sources/Archer",
      "product_dependencies" : [
        "SystemIO",
        "WasmTransformer"
      ],
      "product_memberships" : [
        "archer"
      ],
      "sources" : [
        "Archer.Bundle.swift",
        "Archer.Crusher.swift",
        "Archer.swift",
        "_CartonResources (gen).swift"
      ],
      "type" : "library"
    }
  ],
  "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...
[1/16] Write sources
[5/16] Write archer-entitlement.plist
[5/16] Write sources
[10/16] Compiling CSystem shims.c
[11/16] Compiling _GitVersion swiftpm_git_version.c
[12/16] Write swift-version-2F0A5646E1D333AE.txt
[14/65] Compiling SystemPackage Backcompat.swift
[15/65] Compiling SystemPackage CInterop.swift
[16/67] Compiling SystemPackage FileDescriptor.swift
[17/67] Compiling SystemPackage FileHelpers.swift
[18/67] Emitting module WasmTransformer
[19/67] Compiling SystemPackage Errno.swift
[20/67] Compiling SystemPackage ErrnoWindows.swift
[21/67] Compiling SystemPackage FilePathParsing.swift
[22/67] Compiling SystemPackage FilePathString.swift
[23/67] Compiling SystemPackage FilePathTempPosix.swift
[24/67] Compiling SystemPackage FilePathTempWindows.swift
[25/67] Compiling SystemPackage FileOperations.swift
[26/67] Compiling SystemPackage FilePath.swift
[27/67] Compiling SystemPackage FilePathComponentView.swift
[28/67] Compiling SystemPackage FilePathComponents.swift
[29/67] Compiling SystemPackage FilePathSyntax.swift
[30/67] Compiling SystemPackage FilePathTemp.swift
[31/67] Compiling SystemPackage FilePathWindows.swift
[32/67] Compiling SystemPackage FilePermissions.swift
[33/67] Compiling ArgumentParserToolInfo ToolInfo.swift
[34/67] Emitting module ArgumentParserToolInfo
[35/67] Compiling WasmTransformer StackOverflowSanitizer.swift
[36/67] Compiling WasmTransformer WasmTransformer.swift
[37/106] Compiling ArgumentParser EnumerableFlag.swift
[38/106] Compiling ArgumentParser ExpressibleByArgument.swift
[39/106] Compiling ArgumentParser ParserError.swift
[40/109] Compiling ArgumentParser Errors.swift
[41/109] Compiling ArgumentParser Flag.swift
[42/109] Compiling ArgumentParser BashCompletionsGenerator.swift
[43/109] Compiling ArgumentParser CompletionsGenerator.swift
[44/109] Compiling ArgumentParser FishCompletionsGenerator.swift
[45/109] Compiling ArgumentParser ZshCompletionsGenerator.swift
[46/109] Compiling ArgumentParser ArgumentHelp.swift
[47/109] Compiling ArgumentParser ArgumentVisibility.swift
[48/109] Compiling ArgumentParser CompletionKind.swift
[49/109] Compiling ArgumentParser Argument.swift
[50/109] Compiling ArgumentParser CommandConfiguration.swift
[51/109] Compiling ArgumentParser CommandGroup.swift
[52/109] Emitting module SystemPackage
[53/109] Compiling ArgumentParser SplitArguments.swift
[54/109] Compiling ArgumentParser DumpHelpGenerator.swift
[55/109] Compiling ArgumentParser HelpCommand.swift
[56/109] Compiling ArgumentParser HelpGenerator.swift
[57/109] Compiling ArgumentParser MessageInfo.swift
[58/109] Compiling ArgumentParser UsageGenerator.swift
[59/109] Compiling ArgumentParser CollectionExtensions.swift
[60/109] Compiling ArgumentParser ParsableArguments.swift
[61/109] Compiling ArgumentParser ParsableArgumentsValidation.swift
[62/109] Compiling ArgumentParser ParsableCommand.swift
[63/109] Compiling ArgumentParser ArgumentDecoder.swift
[64/109] Compiling ArgumentParser ArgumentDefinition.swift
[65/109] Compiling SystemPackage Util+StringArray.swift
[66/109] Compiling SystemPackage Util.swift
[67/109] Compiling SystemPackage UtilConsumers.swift
[68/128] Compiling SystemIO FileSeekError.swift
[69/128] Compiling SystemIO FileStatus.swift
[70/128] Compiling SystemIO SystemProcess.Stream.swift
[71/128] Compiling SystemIO SystemProcess.swift
[72/132] Compiling SystemIO FilePath.DirectoryPointer.swift
[73/132] Compiling SystemIO FilePermissions (ext).swift
[74/132] Compiling SystemIO FileSystemStats.swift
[75/132] Compiling SystemIO FileType.swift
[76/132] Compiling SystemIO FileDescriptor.swift
[77/132] Compiling SystemIO FileError.swift
[78/132] Compiling SystemIO FilePath (ext).swift
[79/132] Compiling SystemIO FilePath.Directory.swift
[80/132] Compiling SystemIO FilePath.DirectoryIterator.Stream.swift
[81/132] Compiling SystemIO FilePath.DirectoryIterator.swift
[82/132] Compiling ArgumentParser InputOrigin.swift
[83/132] Compiling ArgumentParser Name.swift
[84/132] Compiling ArgumentParser Parsed.swift
[85/132] Compiling ArgumentParser ParsedValues.swift
[86/132] Compiling ArgumentParser NameSpecification.swift
[87/132] Compiling ArgumentParser Option.swift
[88/132] Compiling ArgumentParser OptionGroup.swift
[89/132] Compiling ArgumentParser AsyncParsableCommand.swift
[90/132] Emitting module ArgumentParser
[93/134] Compiling SystemIO FilePermissions.Component.swift
[94/134] Compiling SystemIO FileReadError.swift
[101/134] Compiling SystemIO SystemProcess.Environment.swift
[102/134] Compiling SystemIO SystemProcess.EnvironmentEncoder.swift
[103/134] Compiling ArgumentParser Platform.swift
[104/134] Compiling ArgumentParser SequenceExtensions.swift
[105/134] Compiling ArgumentParser StringExtensions.swift
[106/134] Compiling ArgumentParser Tree.swift
[115/134] Compiling SystemIO SystemProcessError.swift
[116/134] Compiling SystemIO lexemes.swift
[121/134] Emitting module SystemIO
[124/139] Compiling Archer Archer.swift
[125/139] Compiling Archer _CartonResources (gen).swift
[126/139] Compiling Archer Archer.Bundle.swift
[127/139] Compiling Archer Archer.Crusher.swift
[128/139] Emitting module Archer
[137/142] Compiling System_ArgumentParser FilePath.Directory (ext).swift
[138/142] Emitting module System_ArgumentParser
[139/142] Compiling System_ArgumentParser FilePath (ext).swift
[140/147] Compiling ArcherCommands ArcherCommand.swift
[141/147] Compiling ArcherCommands ArcherCommand.Init.swift
[142/147] Emitting module ArcherCommands
[143/147] Compiling ArcherCommands ArcherCommand.Crush.swift
[144/147] Compiling ArcherCommands ArcherCommand.Version.swift
[144/147] Write Objects.LinkFileList
[145/147] Linking archer
[146/147] Applying archer
Build complete! (14.31s)
Fetching https://github.com/tayloraswift/swift-io
[1/71] Fetching swift-io
Fetched https://github.com/tayloraswift/swift-io from cache (0.59s)
Fetching https://github.com/swiftwasm/WasmTransformer
Fetching https://github.com/apple/swift-system from cache
Fetching https://github.com/apple/swift-argument-parser from cache
[1/809] Fetching wasmtransformer
Fetched https://github.com/apple/swift-argument-parser from cache (0.69s)
Fetched https://github.com/swiftwasm/WasmTransformer from cache (0.86s)
Fetched https://github.com/apple/swift-system from cache (0.88s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (1.39s)
Computing version for https://github.com/swiftwasm/WasmTransformer
Computed https://github.com/swiftwasm/WasmTransformer at 0.5.0 (0.93s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.4.2 (0.46s)
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/swiftwasm/WasmTransformer
Working copy of https://github.com/swiftwasm/WasmTransformer resolved at 0.5.0
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.4.2
Creating working copy for https://github.com/tayloraswift/swift-io
Working copy of https://github.com/tayloraswift/swift-io resolved at master (1cbe8b2)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    },
    {
      "identity" : "wasmtransformer",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.5.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftwasm/WasmTransformer"
    },
    {
      "identity" : "swift-io",
      "requirement" : {
        "branch" : [
          "master"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/tayloraswift/swift-io"
    }
  ],
  "manifest_display_name" : "archer",
  "name" : "archer",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "15.0"
    },
    {
      "name" : "ios",
      "version" : "18.0"
    },
    {
      "name" : "visionos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "archer",
      "targets" : [
        "ArcherCommands"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_GitVersion",
      "module_type" : "ClangTarget",
      "name" : "_GitVersion",
      "path" : "Sources/_GitVersion",
      "product_memberships" : [
        "archer"
      ],
      "sources" : [
        "swiftpm_git_version.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "ArcherCommands",
      "module_type" : "SwiftTarget",
      "name" : "ArcherCommands",
      "path" : "Sources/ArcherCommands",
      "product_dependencies" : [
        "ArgumentParser",
        "System_ArgumentParser"
      ],
      "product_memberships" : [
        "archer"
      ],
      "sources" : [
        "ArcherCommand.Crush.swift",
        "ArcherCommand.Init.swift",
        "ArcherCommand.Version.swift",
        "ArcherCommand.swift"
      ],
      "target_dependencies" : [
        "Archer",
        "_GitVersion"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "Archer",
      "module_type" : "SwiftTarget",
      "name" : "Archer",
      "path" : "Sources/Archer",
      "product_dependencies" : [
        "SystemIO",
        "WasmTransformer"
      ],
      "product_memberships" : [
        "archer"
      ],
      "sources" : [
        "Archer.Bundle.swift",
        "Archer.Crusher.swift",
        "Archer.swift",
        "_CartonResources (gen).swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.