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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 6.0 for macOS (SPM) on 31 Mar 2025 00:46:18 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
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
Fetching https://github.com/tayloraswift/swift-io
[1/71] Fetching swift-io
Fetched https://github.com/tayloraswift/swift-io from cache (0.62s)
Fetching https://github.com/swiftwasm/WasmTransformer
Fetching https://github.com/apple/swift-system
Fetching https://github.com/apple/swift-argument-parser
[1/809] Fetching wasmtransformer
[115/5030] Fetching wasmtransformer, swift-system
[2626/19823] Fetching wasmtransformer, swift-system, swift-argument-parser
Fetched https://github.com/swiftwasm/WasmTransformer from cache (1.51s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.51s)
Fetched https://github.com/apple/swift-system from cache (1.51s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.48s)
Computing version for https://github.com/swiftwasm/WasmTransformer
Computed https://github.com/swiftwasm/WasmTransformer at 0.5.0 (3.25s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.4.2 (0.43s)
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)
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
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "archer",
      "name": "archer",
      "url": "https://github.com/tayloraswift/archer.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/archer",
      "dependencies": [
        {
          "identity": "swift-argument-parser",
          "name": "swift-argument-parser",
          "url": "https://github.com/apple/swift-argument-parser",
          "version": "1.5.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
          "dependencies": [
          ]
        },
        {
          "identity": "wasmtransformer",
          "name": "WasmTransformer",
          "url": "https://github.com/swiftwasm/WasmTransformer",
          "version": "0.5.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/WasmTransformer",
          "dependencies": [
          ]
        },
        {
          "identity": "swift-io",
          "name": "swift-io",
          "url": "https://github.com/tayloraswift/swift-io",
          "version": "unspecified",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-io",
          "dependencies": [
            {
              "identity": "swift-argument-parser",
              "name": "swift-argument-parser",
              "url": "https://github.com/apple/swift-argument-parser",
              "version": "1.5.0",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-argument-parser",
              "dependencies": [
              ]
            },
            {
              "identity": "swift-system",
              "name": "swift-system",
              "url": "https://github.com/apple/swift-system",
              "version": "1.4.2",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-system",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/tayloraswift/archer.git
[1/189] Fetching archer
Fetched https://github.com/tayloraswift/archer.git from cache (0.74s)
Fetching https://github.com/tayloraswift/swift-io from cache
Fetched https://github.com/tayloraswift/swift-io from cache (0.43s)
Fetching https://github.com/apple/swift-argument-parser from cache
Fetching https://github.com/swiftwasm/WasmTransformer from cache
Fetching https://github.com/apple/swift-system from cache
Fetched https://github.com/apple/swift-system from cache (0.46s)
Fetched https://github.com/swiftwasm/WasmTransformer from cache (0.46s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.52s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.03s)
Computing version for https://github.com/swiftwasm/WasmTransformer
Computed https://github.com/swiftwasm/WasmTransformer at 0.5.0 (0.02s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.4.2 (0.02s)
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/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/archer.git
Working copy of https://github.com/tayloraswift/archer.git resolved at master (3aead02)
Creating working copy for https://github.com/tayloraswift/swift-io
Working copy of https://github.com/tayloraswift/swift-io resolved at master (1cbe8b2)
Creating working copy for https://github.com/swiftwasm/WasmTransformer
Working copy of https://github.com/swiftwasm/WasmTransformer resolved at 0.5.0
Found 3 product dependencies
  - swift-argument-parser
  - WasmTransformer
  - swift-io
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
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-16.2.0.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
[4/16] Write archer-entitlement.plist
[4/16] Write sources
[10/16] Compiling CSystem shims.c
[11/16] Compiling _GitVersion swiftpm_git_version.c
[12/16] Write swift-version-5BDAB9E9C0126B9D.txt
[14/65] Emitting module SystemPackage
[15/68] Compiling SystemPackage FilePathTempWindows.swift
[16/68] Compiling SystemPackage FilePathWindows.swift
[17/70] Emitting module WasmTransformer
[18/70] Compiling SystemPackage FileDescriptor.swift
[19/70] Compiling SystemPackage FileHelpers.swift
[20/70] Compiling SystemPackage Errno.swift
[21/70] Compiling SystemPackage ErrnoWindows.swift
[22/70] Compiling SystemPackage SystemString.swift
[23/70] Compiling SystemPackage FilePathTempPosix.swift
[24/70] Emitting module ArgumentParserToolInfo
[25/70] Compiling ArgumentParserToolInfo ToolInfo.swift
[26/109] Compiling ArgumentParser ArgumentHelp.swift
[27/109] Compiling ArgumentParser ArgumentVisibility.swift
[28/109] Compiling ArgumentParser CompletionKind.swift
[29/109] Compiling ArgumentParser Errors.swift
[30/109] Compiling ArgumentParser OptionGroup.swift
[31/109] Compiling ArgumentParser AsyncParsableCommand.swift
[32/109] Compiling ArgumentParser NameSpecification.swift
[33/109] Compiling ArgumentParser Option.swift
[34/109] Compiling ArgumentParser Flag.swift
[35/109] Compiling ArgumentParser InputOrigin.swift
[36/109] Compiling ArgumentParser CommandGroup.swift
[37/109] Compiling ArgumentParser EnumerableFlag.swift
[38/109] Compiling ArgumentParser ParsableArguments.swift
[39/109] Compiling ArgumentParser ParsableArgumentsValidation.swift
[40/109] Compiling ArgumentParser ParsableCommand.swift
[41/109] Compiling ArgumentParser CollectionExtensions.swift
[42/109] Compiling ArgumentParser ArgumentDefinition.swift
[43/109] Compiling ArgumentParser ArgumentSet.swift
[44/109] Compiling ArgumentParser HelpGenerator.swift
[45/109] Compiling ArgumentParser MessageInfo.swift
[46/109] Compiling ArgumentParser UsageGenerator.swift
[49/109] Compiling ArgumentParser ExpressibleByArgument.swift
[52/109] Compiling ArgumentParser Name.swift
[56/109] Compiling ArgumentParser Parsed.swift
[57/109] Compiling ArgumentParser ParsedValues.swift
[58/109] Compiling ArgumentParser CommandConfiguration.swift
[62/109] Compiling ArgumentParser ArgumentDecoder.swift
[65/109] Compiling ArgumentParser CommandParser.swift
[66/109] Compiling ArgumentParser InputKey.swift
[67/109] Compiling ArgumentParser BashCompletionsGenerator.swift
[68/128] Compiling SystemIO FilePath.DirectoryIterator.Stream.swift
[69/128] Compiling SystemIO FilePath.DirectoryIterator.swift
[70/128] Compiling SystemIO FileDescriptor.swift
[71/128] Compiling SystemIO FileError.swift
[72/128] Emitting module ArgumentParser
[73/132] Compiling SystemIO FilePath (ext).swift
[74/132] Compiling SystemIO FilePath.Directory.swift
[75/132] Compiling SystemIO FilePath.DirectoryPointer.swift
[76/132] Compiling SystemIO FilePermissions (ext).swift
[77/132] Compiling SystemIO FilePermissions.Component.swift
[78/132] Compiling SystemIO FileReadError.swift
[79/132] Compiling SystemIO FileSystemStats.swift
[80/132] Compiling SystemIO FileType.swift
[81/132] Compiling SystemIO FileSeekError.swift
[82/132] Compiling ArgumentParser Platform.swift
[83/132] Compiling ArgumentParser SequenceExtensions.swift
[84/132] Compiling ArgumentParser StringExtensions.swift
[85/132] Compiling ArgumentParser Tree.swift
[89/132] Compiling SystemIO FileStatus.swift
[90/132] Compiling SystemIO SystemProcess.Environment.swift
[91/132] Compiling SystemIO SystemProcess.EnvironmentEncoder.swift
[92/132] Compiling SystemIO SystemProcess.Stream.swift
[93/132] Compiling SystemIO SystemProcess.swift
[94/134] Compiling SystemIO SystemProcessError.swift
[95/134] Compiling SystemIO lexemes.swift
[106/134] Emitting module SystemIO
[107/139] Compiling Archer Archer.swift
[108/139] Compiling Archer _CartonResources (gen).swift
[109/139] Compiling Archer Archer.Bundle.swift
[110/139] Compiling Archer Archer.Crusher.swift
[111/139] Emitting module Archer
[112/139] Compiling ArgumentParser ParserError.swift
[113/139] Compiling ArgumentParser SplitArguments.swift
[114/139] Compiling ArgumentParser DumpHelpGenerator.swift
[115/139] Compiling ArgumentParser HelpCommand.swift
[117/139] Compiling ArgumentParser CompletionsGenerator.swift
[118/139] Compiling ArgumentParser FishCompletionsGenerator.swift
[119/139] Compiling ArgumentParser ZshCompletionsGenerator.swift
[120/139] Compiling ArgumentParser Argument.swift
[137/142] Emitting module System_ArgumentParser
[138/142] Compiling System_ArgumentParser FilePath.Directory (ext).swift
[139/142] Compiling System_ArgumentParser FilePath (ext).swift
[140/147] Compiling ArcherCommands ArcherCommand.swift
[141/147] Compiling ArcherCommands ArcherCommand.Version.swift
[142/147] Emitting module ArcherCommands
[143/147] Compiling ArcherCommands ArcherCommand.Crush.swift
[144/147] Compiling ArcherCommands ArcherCommand.Init.swift
[144/147] Write Objects.LinkFileList
[145/147] Linking archer
[146/147] Applying archer
Build complete! (25.23s)
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.