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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 Linux on 31 Mar 2025 00:45:03 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1

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 /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
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:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/tayloraswift/archer.git
https://github.com/tayloraswift/archer.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "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" : "/host/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 ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/tayloraswift/swift-io
[1/71] Fetching swift-io
Fetched https://github.com/tayloraswift/swift-io from cache (0.16s)
Fetching https://github.com/swiftwasm/WasmTransformer
Fetching https://github.com/apple/swift-system
Fetching https://github.com/apple/swift-argument-parser
[1/4221] Fetching swift-system
[1732/5030] Fetching swift-system, wasmtransformer
Fetched https://github.com/swiftwasm/WasmTransformer from cache (0.29s)
[1/14793] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-system from cache (1.00s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.00s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (0.57s)
Computing version for https://github.com/swiftwasm/WasmTransformer
Computed https://github.com/swiftwasm/WasmTransformer at 0.5.0 (2.28s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.4.2 (0.64s)
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/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/tayloraswift/swift-io
Working copy of https://github.com/tayloraswift/swift-io resolved at master (1cbe8b2)
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/22] Write sources
[9/22] Compiling CSystem shims.c
[10/22] Compiling _GitVersion swiftpm_git_version.c
[11/22] Write swift-version-24593BA9C3E375BF.txt
[13/71] Emitting module WasmTransformer
[14/73] Emitting module SystemPackage
[15/76] Compiling ArgumentParserToolInfo ToolInfo.swift
[16/76] Emitting module ArgumentParserToolInfo
[17/77] Compiling WasmTransformer CustomSectionStripper.swift
[18/77] Compiling WasmTransformer I64ImportTransformer.swift
[19/77] Compiling WasmTransformer SizeProfiler.swift
[20/77] Compiling WasmTransformer StackOverflowSanitizer+Fixtures.swift
[21/77] Compiling WasmTransformer StackOverflowSanitizer.swift
[22/77] Compiling WasmTransformer WasmTransformer.swift
[24/77] Compiling SystemPackage MachPort.swift
[25/77] Compiling SystemPackage PlatformString.swift
[26/77] Compiling SystemPackage SystemString.swift
[27/77] Compiling WasmTransformer ModuleReader.swift
[28/77] Compiling WasmTransformer TypeSectionReader.swift
[29/77] Compiling WasmTransformer VectorSectionReader.swift
[30/77] Compiling WasmTransformer Sections.swift
[31/77] Compiling WasmTransformer Trampoline.swift
[32/77] Compiling WasmTransformer ElementSectionReader.swift
[33/77] Compiling WasmTransformer FunctionSectionReader.swift
[34/77] Compiling WasmTransformer ImportSectionReader.swift
[35/77] Compiling WasmTransformer LEB128.swift
[36/77] Compiling WasmTransformer OutputWriter.swift
[37/77] Compiling WasmTransformer CodeSectionReader.swift
[38/77] Compiling SystemPackage Util+StringArray.swift
[39/77] Compiling SystemPackage Util.swift
[40/77] Compiling SystemPackage UtilConsumers.swift
[41/77] Compiling WasmTransformer BinaryFormat.swift
[42/77] Compiling WasmTransformer ByteEncodable.swift
[43/77] Compiling WasmTransformer InputByteStream.swift
[43/78] Wrapping AST for ArgumentParserToolInfo for debugging
[45/116] Wrapping AST for WasmTransformer for debugging
[47/116] Compiling ArgumentParser Argument.swift
[48/116] Compiling ArgumentParser ArgumentHelp.swift
[49/116] Compiling ArgumentParser Name.swift
[50/116] Compiling ArgumentParser Parsed.swift
[51/116] Compiling ArgumentParser Errors.swift
[52/116] Compiling ArgumentParser Flag.swift
[53/116] Compiling ArgumentParser NameSpecification.swift
[54/116] Compiling ArgumentParser Option.swift
[55/116] Compiling ArgumentParser ParsedValues.swift
[56/116] Compiling ArgumentParser ParserError.swift
[57/116] Compiling ArgumentParser SplitArguments.swift
[58/116] Compiling ArgumentParser ExpressibleByArgument.swift
[59/116] Compiling ArgumentParser ParsableArguments.swift
[60/116] Compiling ArgumentParser ParsableArgumentsValidation.swift
[61/116] Compiling ArgumentParser ParsableCommand.swift
[62/116] Compiling ArgumentParser ArgumentDecoder.swift
[63/116] Compiling ArgumentParser OptionGroup.swift
[64/116] Compiling ArgumentParser AsyncParsableCommand.swift
[65/116] Compiling ArgumentParser CommandConfiguration.swift
[66/116] Compiling ArgumentParser CommandGroup.swift
[67/116] Compiling ArgumentParser BashCompletionsGenerator.swift
[68/116] Compiling ArgumentParser CompletionsGenerator.swift
[69/116] Compiling ArgumentParser FishCompletionsGenerator.swift
[70/116] Compiling ArgumentParser ZshCompletionsGenerator.swift
[71/117] Wrapping AST for SystemPackage for debugging
[73/136] Compiling SystemIO FileSystemStats.swift
[74/136] Compiling SystemIO FileType.swift
[75/136] Compiling SystemIO FileReadError.swift
[76/136] Compiling SystemIO FileSeekError.swift
[77/136] Compiling SystemIO FileStatus.swift
[78/138] Compiling SystemIO SystemProcess.Stream.swift
[79/138] Compiling SystemIO SystemProcess.swift
[80/138] Compiling SystemIO FilePath.Directory.swift
[81/138] Compiling SystemIO FilePath.DirectoryIterator.Stream.swift
[82/138] Compiling SystemIO FilePath.DirectoryIterator.swift
[83/138] Compiling SystemIO SystemProcessError.swift
[84/138] Compiling SystemIO lexemes.swift
[85/138] Compiling SystemIO SystemProcess.Environment.swift
[86/138] Compiling SystemIO SystemProcess.EnvironmentEncoder.swift
[87/138] Compiling SystemIO FileDescriptor.swift
[88/138] Compiling SystemIO FileError.swift
[89/138] Compiling SystemIO FilePath (ext).swift
[90/138] Compiling SystemIO FilePath.DirectoryPointer.swift
[91/138] Compiling SystemIO FilePermissions (ext).swift
[92/138] Compiling SystemIO FilePermissions.Component.swift
[93/138] Emitting module ArgumentParser
[94/143] Emitting module SystemIO
[106/144] Wrapping AST for SystemIO for debugging
[108/144] Compiling ArgumentParser ArgumentDefinition.swift
[109/144] Compiling ArgumentParser ArgumentSet.swift
[110/144] Compiling ArgumentParser CommandParser.swift
[111/144] Compiling ArgumentParser InputKey.swift
[112/144] Compiling ArgumentParser InputOrigin.swift
[113/149] Compiling Archer Archer.swift
[114/149] Compiling Archer _CartonResources (gen).swift
[115/149] Emitting module Archer
[116/149] Compiling ArgumentParser CollectionExtensions.swift
[117/149] Compiling ArgumentParser Platform.swift
[118/149] Compiling ArgumentParser SequenceExtensions.swift
[119/149] Compiling ArgumentParser StringExtensions.swift
[120/149] Compiling ArgumentParser Tree.swift
[121/149] Compiling Archer Archer.Bundle.swift
[122/149] Compiling Archer Archer.Crusher.swift
[123/150] Wrapping AST for Archer for debugging
[129/150] Compiling ArgumentParser EnumerableFlag.swift
[130/150] Compiling ArgumentParser ArgumentVisibility.swift
[131/150] Compiling ArgumentParser CompletionKind.swift
[136/150] Compiling ArgumentParser DumpHelpGenerator.swift
[137/150] Compiling ArgumentParser HelpCommand.swift
[138/150] Compiling ArgumentParser HelpGenerator.swift
[139/150] Compiling ArgumentParser MessageInfo.swift
[140/150] Compiling ArgumentParser UsageGenerator.swift
[146/151] Wrapping AST for ArgumentParser for debugging
[148/154] Compiling System_ArgumentParser FilePath.Directory (ext).swift
[149/154] Compiling System_ArgumentParser FilePath (ext).swift
[150/154] Emitting module System_ArgumentParser
[151/155] Wrapping AST for System_ArgumentParser for debugging
[153/160] Emitting module ArcherCommands
[154/160] Compiling ArcherCommands ArcherCommand.swift
[155/160] Compiling ArcherCommands ArcherCommand.Init.swift
[156/160] Compiling ArcherCommands ArcherCommand.Version.swift
[157/160] Compiling ArcherCommands ArcherCommand.Crush.swift
[158/161] Wrapping AST for ArcherCommands for debugging
[159/161] Write Objects.LinkFileList
[160/161] Linking archer
Build complete! (28.17s)
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" : "/host/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"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.