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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 main (5047aa), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 13:10:26 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: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-nest/clutch
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5047aa6 hygiene/configuration: swiftlint config (relatively limited)
Cloned https://github.com/swift-nest/clutch.git
Revision (git rev-parse @):
5047aa6ef660e9e7135ef42e051d5a199a353de3
SUCCESS checkout https://github.com/swift-nest/clutch.git at main
========================================
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 clatch-entitlement.plist
[6/22] Write clutch-entitlement.plist
[7/22] Write ClutchAP-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 ParsedValues.swift
[17/91] Compiling ArgumentParser CommandConfiguration.swift
[18/91] Compiling ArgumentParser CommandGroup.swift
[19/91] Compiling ArgumentParser InputOrigin.swift
[20/91] Compiling ArgumentParser Name.swift
[21/91] Compiling ArgumentParser Parsed.swift
[22/91] Compiling ArgumentParser Argument.swift
[23/91] Compiling ArgumentParser NameSpecification.swift
[24/91] Compiling ArgumentParser Option.swift
[25/91] Compiling ArgumentParser OptionGroup.swift
[26/91] Compiling ArgumentParser AsyncParsableCommand.swift
[27/91] Compiling ArgumentParser ParserError.swift
[28/94] Compiling ArgumentParser MessageInfo.swift
[29/94] Compiling ArgumentParser UsageGenerator.swift
[30/94] Compiling ArgumentParser CollectionExtensions.swift
[31/94] Compiling ArgumentParser EnumerableFlag.swift
[32/94] Compiling ArgumentParser ExpressibleByArgument.swift
[33/94] Compiling ArgumentParser BashCompletionsGenerator.swift
[34/94] Compiling ArgumentParser CompletionsGenerator.swift
[35/94] Compiling ArgumentParser FishCompletionsGenerator.swift
[36/94] Compiling ArgumentParser ZshCompletionsGenerator.swift
[37/94] Compiling ArgumentParser Errors.swift
[38/94] Compiling ArgumentParser Flag.swift
[39/94] Compiling ArgumentParser HelpGenerator.swift
[40/94] Emitting module SystemPackage
[41/94] Compiling ArgumentParser ArgumentHelp.swift
[42/94] Compiling ArgumentParser ArgumentVisibility.swift
[43/94] Compiling ArgumentParser CompletionKind.swift
[44/94] Compiling SystemPackage Util+StringArray.swift
[45/94] Compiling SystemPackage Util.swift
[46/94] Compiling SystemPackage UtilConsumers.swift
[47/117] Compiling clutchLib AskDataBuilder.swift
[48/117] Compiling clutchLib ClutchDriver.swift
[49/117] Compiling clutchLib ClutchDriverErrors.swift
[50/117] Compiling clutchLib ModuleName.swift
[51/117] Compiling clutchLib ModuleNameHelp.swift
[52/121] Compiling clutchLib Identifier.swift
[53/121] Compiling clutchLib UserAskKind.swift
[54/121] Compiling clutchLib FileItem.swift
[55/121] Compiling clutchLib FoundationScript.swift
[56/121] Compiling clutchLib FoundationScriptSystemCalls.swift
[57/121] Compiling clutchLib FileItemHelp.swift
[58/121] Compiling clutchLib PeerOp.swift
[59/121] Compiling clutchLib Help.swift
[60/121] Emitting module ArgumentParser
[61/121] Compiling ArgumentParser Platform.swift
[62/121] Compiling ArgumentParser SequenceExtensions.swift
[63/121] Compiling ArgumentParser StringExtensions.swift
[64/121] Compiling ArgumentParser Tree.swift
[65/121] Compiling ArgumentParser ParsableArguments.swift
[66/121] Compiling ArgumentParser ParsableArgumentsValidation.swift
[67/121] Compiling ArgumentParser ParsableCommand.swift
[68/121] Compiling ArgumentParser ArgumentDecoder.swift
[69/121] Compiling ArgumentParser ArgumentDefinition.swift
[70/121] Compiling ArgumentParser ArgumentSet.swift
[71/121] Compiling ArgumentParser CommandParser.swift
[72/121] Compiling ArgumentParser InputKey.swift
[81/121] Compiling clutchLib PeerNest.swift
[82/121] Compiling clutchLib Err.swift
[83/121] Compiling clutchLib StdlibHelp.swift
[86/121] Compiling clutchLib NestPaths.swift
[87/121] Compiling clutchLib NestPathsStatus.swift
[88/121] Compiling clutchLib AskMode.swift
[89/121] Compiling clutchLib DriverConfig.swift
[94/123] Compiling clatch clatch.swift
[95/123] Emitting module clatch
[95/123] Write Objects.LinkFileList
[97/123] Compiling clutchLib SystemCalls.swift
[98/123] Compiling clutchLib SystemCallsHelp.swift
[115/123] Emitting module clutchLib
[115/127] Linking clatch
[116/127] Applying clatch
[118/127] Emitting module clutch
[119/127] Compiling clutch clutch.swift
[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! (11.81s)
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 (0.69s)
Fetched https://github.com/apple/swift-argument-parser from cache (0.69s)
Fetched https://github.com/apple/swift-system from cache (0.71s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.5.0 (1.24s)
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 (0.45s)
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
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
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.