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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 clutch, reference 0.5.6 (9ddef6), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 13:10:13 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 -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: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-nest/clutch.git
Reference: 0.5.6
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-nest/clutch
 * tag               0.5.6      -> FETCH_HEAD
HEAD is now at 9ddef6d Package: swift-system 1.2.2 -> 1.4.0
Cloned https://github.com/swift-nest/clutch.git
Revision (git rev-parse @):
9ddef6dea687f1af8f3a69a1ce5ef9f92c4037d7
SUCCESS checkout https://github.com/swift-nest/clutch.git at 0.5.6
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/swift-nest/clutch.git
https://github.com/swift-nest/clutch.git
{
  "dependencies" : [
    {
      "identity" : "swift-atomics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-atomics"
    },
    {
      "identity" : "swift-system",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-system"
    },
    {
      "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"
    }
  ],
  "manifest_display_name" : "clutch",
  "name" : "clutch",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "clutch",
      "targets" : [
        "clutch"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "clatch",
      "targets" : [
        "clatch"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "ClutchAP",
      "targets" : [
        "ClutchAP"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "clutchTests",
      "module_type" : "SwiftTarget",
      "name" : "clutchTests",
      "path" : "Tests/clutchTests",
      "product_dependencies" : [
        "Atomics"
      ],
      "sources" : [
        "AskDataTests.swift",
        "ClutchMainTest.swift",
        "ClutchTests.swift",
        "DriverTests.swift",
        "Fixtures/KnownSystemCallFixtures.swift",
        "Fixtures/KnownSystemCalls.swift",
        "FoundationScriptSystemCallsTests.swift",
        "KnownSystemCallFixturesTests.swift",
        "Main/ClutchTestMain.swift",
        "NestOpTests.swift",
        "RecordSystemCallsTests.swift",
        "Scenarios/ClutchCommandScenario.swift",
        "Scenarios/ClutchErrCheck.swift",
        "Support/ActorArray.swift",
        "Support/AtomicIndex.swift",
        "Support/SrcLoc.swift",
        "Support/TestHelper.swift",
        "SystemCallsRecorder/Call.swift",
        "SystemCallsRecorder/CallRecordTypes.swift",
        "SystemCallsRecorder/RecordSystemCalls.swift"
      ],
      "target_dependencies" : [
        "clutchLib"
      ],
      "type" : "test"
    },
    {
      "c99name" : "clutchLib",
      "module_type" : "SwiftTarget",
      "name" : "clutchLib",
      "path" : "Sources/clutch",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "product_memberships" : [
        "clutch",
        "ClutchAP"
      ],
      "sources" : [
        "AskDataBuilder.swift",
        "ClutchDriver.swift",
        "ClutchDriverErrors.swift",
        "DriverConfig/AskMode.swift",
        "DriverConfig/DriverConfig.swift",
        "DriverConfig/Identifier.swift",
        "DriverConfig/ModuleName.swift",
        "DriverConfig/ModuleNameHelp.swift",
        "DriverConfig/NestPaths.swift",
        "DriverConfig/NestPathsStatus.swift",
        "DriverConfig/UserAskKind.swift",
        "Files/FileItem.swift",
        "Files/FileItemHelp.swift",
        "PeerOp.swift",
        "UI/Help.swift",
        "UI/PeerNest.swift",
        "system-impl/FoundationScript.swift",
        "system-impl/FoundationScriptSystemCalls.swift",
        "system/Err.swift",
        "system/StdlibHelp.swift",
        "system/SystemCalls.swift",
        "system/SystemCallsHelp.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "clutch",
      "module_type" : "SwiftTarget",
      "name" : "clutch",
      "path" : "Sources/clutch-tool",
      "product_memberships" : [
        "clutch"
      ],
      "sources" : [
        "clutch.swift"
      ],
      "target_dependencies" : [
        "clutchLib"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "clatch",
      "module_type" : "SwiftTarget",
      "name" : "clatch",
      "path" : "Sources/clatch",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "product_memberships" : [
        "clatch"
      ],
      "sources" : [
        "clatch.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ClutchAP",
      "module_type" : "SwiftTarget",
      "name" : "ClutchAP",
      "path" : "Sources/ClutchAP",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "ClutchAP"
      ],
      "sources" : [
        "ClutchMain.swift"
      ],
      "target_dependencies" : [
        "clutchLib"
      ],
      "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 -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
[1/1] Compiling plugin GenerateManual
Building for debugging...
[1/22] Write sources
[6/22] Write ClutchAP-entitlement.plist
[6/22] Write clatch-entitlement.plist
[8/22] Write clutch-entitlement.plist
[9/22] Write sources
[11/22] Compiling CSystem shims.c
[12/22] Write swift-version-2F0A5646E1D333AE.txt
[14/52] Emitting module ArgumentParserToolInfo
[15/52] Compiling ArgumentParserToolInfo ToolInfo.swift
[16/91] Compiling ArgumentParser ArgumentSet.swift
[17/91] Compiling ArgumentParser CommandParser.swift
[18/91] Compiling ArgumentParser InputKey.swift
[19/94] Compiling ArgumentParser BashCompletionsGenerator.swift
[20/94] Compiling ArgumentParser CompletionsGenerator.swift
[21/94] Compiling ArgumentParser FishCompletionsGenerator.swift
[22/94] Emitting module SystemPackage
[23/94] Compiling ArgumentParser ZshCompletionsGenerator.swift
[24/94] Compiling ArgumentParser Argument.swift
[25/94] Compiling ArgumentParser ParsableArguments.swift
[26/94] Compiling ArgumentParser ExpressibleByArgument.swift
[27/94] Compiling ArgumentParser NameSpecification.swift
[28/94] Compiling ArgumentParser Option.swift
[29/94] Compiling ArgumentParser OptionGroup.swift
[30/94] Compiling ArgumentParser AsyncParsableCommand.swift
[31/94] Compiling ArgumentParser ArgumentDefinition.swift
[32/94] Compiling ArgumentParser ArgumentHelp.swift
[33/94] Compiling ArgumentParser ArgumentVisibility.swift
[34/94] Compiling ArgumentParser CompletionKind.swift
[35/94] Compiling ArgumentParser Errors.swift
[36/94] Compiling ArgumentParser Flag.swift
[37/94] Compiling ArgumentParser HelpGenerator.swift
[38/94] Compiling ArgumentParser CommandConfiguration.swift
[39/94] Compiling ArgumentParser CommandGroup.swift
[40/94] Compiling ArgumentParser EnumerableFlag.swift
[41/94] Compiling ArgumentParser ParsableArgumentsValidation.swift
[42/94] Compiling ArgumentParser ParsableCommand.swift
[43/94] Compiling ArgumentParser ArgumentDecoder.swift
[44/94] Compiling SystemPackage Util+StringArray.swift
[45/94] Compiling SystemPackage Util.swift
[46/94] Compiling SystemPackage UtilConsumers.swift
[47/117] Compiling clutchLib AskMode.swift
[48/117] Compiling clutchLib DriverConfig.swift
[49/117] Compiling clutchLib Identifier.swift
[50/117] Compiling clutchLib FileItemHelp.swift
[51/121] Emitting module ArgumentParser
[52/121] Compiling clutchLib PeerOp.swift
[53/121] Compiling clutchLib FoundationScript.swift
[54/121] Compiling clutchLib FoundationScriptSystemCalls.swift
[55/121] Compiling clutchLib NestPaths.swift
[56/121] Compiling ArgumentParser Platform.swift
[57/121] Compiling ArgumentParser SequenceExtensions.swift
[58/121] Compiling ArgumentParser StringExtensions.swift
[59/121] Compiling ArgumentParser Tree.swift
[60/121] Compiling clutchLib AskDataBuilder.swift
[61/121] Compiling clutchLib ClutchDriver.swift
[62/121] Compiling clutchLib ClutchDriverErrors.swift
[63/121] Compiling clutchLib ModuleName.swift
[64/121] Compiling clutchLib ModuleNameHelp.swift
[65/121] Compiling clutchLib NestPathsStatus.swift
[66/121] Compiling clutchLib UserAskKind.swift
[67/121] Compiling clutchLib FileItem.swift
[69/121] Compiling clutchLib Help.swift
[70/121] Compiling clutchLib PeerNest.swift
[71/121] Compiling clutchLib Err.swift
[72/121] Compiling clutchLib StdlibHelp.swift
[73/121] Compiling ArgumentParser InputOrigin.swift
[74/121] Compiling ArgumentParser Name.swift
[75/121] Compiling ArgumentParser Parsed.swift
[76/121] Compiling ArgumentParser ParsedValues.swift
[77/121] Compiling ArgumentParser ParserError.swift
[78/121] Compiling ArgumentParser SplitArguments.swift
[79/121] Compiling ArgumentParser DumpHelpGenerator.swift
[80/121] Compiling ArgumentParser HelpCommand.swift
[90/121] Compiling clatch clatch.swift
[91/121] Emitting module clatch
[91/121] Write Objects.LinkFileList
[93/121] Emitting module clutchLib
[108/123] Compiling clutchLib SystemCalls.swift
[109/123] Compiling clutchLib SystemCallsHelp.swift
[109/123] Linking clatch
[110/123] Applying clatch
[118/127] Compiling clutch clutch.swift
[119/127] Emitting module clutch
[119/127] Write Objects.LinkFileList
[121/127] Compiling ClutchAP ClutchMain.swift
[122/127] Emitting module ClutchAP
[122/127] Write Objects.LinkFileList
[123/127] Linking clutch
[124/127] Applying clutch
[125/127] Linking ClutchAP
[126/127] Applying ClutchAP
Build complete! (11.56s)
Fetching https://github.com/apple/swift-atomics from cache
Fetching https://github.com/apple/swift-system from cache
Fetching https://github.com/apple/swift-argument-parser from cache
Fetched https://github.com/apple/swift-atomics from cache (0.63s)
Fetched https://github.com/apple/swift-system from cache (0.64s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.65s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (1.16s)
Computing version for https://github.com/apple/swift-atomics
Computed https://github.com/apple/swift-atomics at 1.2.0 (0.48s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.4.2 (0.47s)
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/apple/swift-atomics
Working copy of https://github.com/apple/swift-atomics resolved at 1.2.0
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-atomics",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.2.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-atomics"
    },
    {
      "identity" : "swift-system",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.4.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-system"
    },
    {
      "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"
    }
  ],
  "manifest_display_name" : "clutch",
  "name" : "clutch",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "clutch",
      "targets" : [
        "clutch"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "clatch",
      "targets" : [
        "clatch"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "ClutchAP",
      "targets" : [
        "ClutchAP"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "clutchTests",
      "module_type" : "SwiftTarget",
      "name" : "clutchTests",
      "path" : "Tests/clutchTests",
      "product_dependencies" : [
        "Atomics"
      ],
      "sources" : [
        "AskDataTests.swift",
        "ClutchMainTest.swift",
        "ClutchTests.swift",
        "DriverTests.swift",
        "Fixtures/KnownSystemCallFixtures.swift",
        "Fixtures/KnownSystemCalls.swift",
        "FoundationScriptSystemCallsTests.swift",
        "KnownSystemCallFixturesTests.swift",
        "Main/ClutchTestMain.swift",
        "NestOpTests.swift",
        "RecordSystemCallsTests.swift",
        "Scenarios/ClutchCommandScenario.swift",
        "Scenarios/ClutchErrCheck.swift",
        "Support/ActorArray.swift",
        "Support/AtomicIndex.swift",
        "Support/SrcLoc.swift",
        "Support/TestHelper.swift",
        "SystemCallsRecorder/Call.swift",
        "SystemCallsRecorder/CallRecordTypes.swift",
        "SystemCallsRecorder/RecordSystemCalls.swift"
      ],
      "target_dependencies" : [
        "clutchLib"
      ],
      "type" : "test"
    },
    {
      "c99name" : "clutchLib",
      "module_type" : "SwiftTarget",
      "name" : "clutchLib",
      "path" : "Sources/clutch",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "product_memberships" : [
        "clutch",
        "ClutchAP"
      ],
      "sources" : [
        "AskDataBuilder.swift",
        "ClutchDriver.swift",
        "ClutchDriverErrors.swift",
        "DriverConfig/AskMode.swift",
        "DriverConfig/DriverConfig.swift",
        "DriverConfig/Identifier.swift",
        "DriverConfig/ModuleName.swift",
        "DriverConfig/ModuleNameHelp.swift",
        "DriverConfig/NestPaths.swift",
        "DriverConfig/NestPathsStatus.swift",
        "DriverConfig/UserAskKind.swift",
        "Files/FileItem.swift",
        "Files/FileItemHelp.swift",
        "PeerOp.swift",
        "UI/Help.swift",
        "UI/PeerNest.swift",
        "system-impl/FoundationScript.swift",
        "system-impl/FoundationScriptSystemCalls.swift",
        "system/Err.swift",
        "system/StdlibHelp.swift",
        "system/SystemCalls.swift",
        "system/SystemCallsHelp.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "clutch",
      "module_type" : "SwiftTarget",
      "name" : "clutch",
      "path" : "Sources/clutch-tool",
      "product_memberships" : [
        "clutch"
      ],
      "sources" : [
        "clutch.swift"
      ],
      "target_dependencies" : [
        "clutchLib"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "clatch",
      "module_type" : "SwiftTarget",
      "name" : "clatch",
      "path" : "Sources/clatch",
      "product_dependencies" : [
        "SystemPackage"
      ],
      "product_memberships" : [
        "clatch"
      ],
      "sources" : [
        "clatch.swift"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ClutchAP",
      "module_type" : "SwiftTarget",
      "name" : "ClutchAP",
      "path" : "Sources/ClutchAP",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "ClutchAP"
      ],
      "sources" : [
        "ClutchMain.swift"
      ],
      "target_dependencies" : [
        "clutchLib"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "6.0"
}
Done.