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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

Failed to build Rocket, reference master (df9449), with Swift 6.1 for Linux on 27 Apr 2025 11:57:36 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/shibapm/rocket.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/shibapm/rocket
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at df94499 Unhide dependencies
Cloned https://github.com/shibapm/rocket.git
Revision (git rev-parse @):
df94499fa028ac7f72ca34d977cc5fa38f00b464
SUCCESS checkout https://github.com/shibapm/rocket.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/shibapm/rocket.git
https://github.com/shibapm/rocket.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "yams",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.0.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/jpsim/Yams"
    },
    {
      "identity" : "logger",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.2.2",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/shibapm/Logger"
    },
    {
      "identity" : "swiftshell",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "5.1.0",
            "upper_bound" : "6.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kareman/SwiftShell"
    },
    {
      "identity" : "packageconfig",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/shibapm/PackageConfig.git"
    },
    {
      "identity" : "nimble",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "8.0.0",
            "upper_bound" : "9.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Quick/Nimble"
    },
    {
      "identity" : "testspy",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.3.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/f-meloni/TestSpy"
    },
    {
      "identity" : "komondor",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/shibapm/Komondor.git"
    },
    {
      "identity" : "swiftformat",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.35.8",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/nicklockwood/SwiftFormat.git"
    }
  ],
  "manifest_display_name" : "Rocket",
  "name" : "Rocket",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "rocket",
      "targets" : [
        "Rocket"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RocketTests",
      "module_type" : "SwiftTarget",
      "name" : "RocketTests",
      "path" : "Tests/RocketTests",
      "product_dependencies" : [
        "Nimble",
        "TestSpy"
      ],
      "sources" : [
        "BranchExecutorTests.swift",
        "ChecksParserTests.swift",
        "CleanGitStatusCheckTests.swift",
        "CommitExecutorTests.swift",
        "CurrentVersionProviderTests.swift",
        "DefaultExecutorStepDescriptionTests.swift",
        "DevDependenciesModifierTests.swift",
        "GitAddExecutorTests.swift",
        "HideDevDependenciesExecutorTests.swift",
        "NewVersionProviderTests.swift",
        "PushExecutorTests.swift",
        "RocketFileFinderTests.swift",
        "ScriptExecutorTests.swift",
        "SpyDevDependenciesModifier.swift",
        "StepsParserTests.swift",
        "SwiftScriptExecutorTests.swift",
        "TagExecutorTests.swift",
        "UnhideDevDependenciesExecutorTestCase.swift",
        "Utils/ScriptLauncherTestCase.swift",
        "Utils/SpyPrinter.swift",
        "Utils/SpyScriptLauncher.swift",
        "Utils/StubbedFileManager.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "RocketLib"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RocketLib",
      "module_type" : "SwiftTarget",
      "name" : "RocketLib",
      "path" : "Sources/RocketLib",
      "product_dependencies" : [
        "Logger",
        "SwiftShell"
      ],
      "product_memberships" : [
        "rocket"
      ],
      "sources" : [
        "Checks.swift",
        "Checks/Check.swift",
        "Checks/CleanGitStatusCheck.swift",
        "ChecksParser.swift",
        "CurrentVersionProvider.swift",
        "Executors/BranchExecutor.swift",
        "Executors/CommitExecutor.swift",
        "Executors/DefaultExecutor.swift",
        "Executors/GitAddExecutor.swift",
        "Executors/HideDevDependenciesExecutor.swift",
        "Executors/PushExecutor.swift",
        "Executors/ScriptExecutor.swift",
        "Executors/ScriptLauncher.swift",
        "Executors/ScriptLauncherExecutor.swift",
        "Executors/StepDescriptionPrinter.swift",
        "Executors/StepExecutor.swift",
        "Executors/SwiftScriptExecutor.swift",
        "Executors/TagExecutor.swift",
        "Executors/UnhideDevDependenciesExecutor.swift",
        "Executors/Utils/DevDependenciesModifier.swift",
        "Executors/Utils/NoVerifyParameterInserter.swift",
        "Executors/Utils/NoVerifyParameterInserterExecutor.swift",
        "Executors/Utils/ScriptLauncherContainer.swift",
        "NewVersionProvider.swift",
        "Parameters/BranchParameters.swift",
        "Parameters/CommitParameters.swift",
        "Parameters/Dictionary+CodingKeys.swift",
        "Parameters/GitAddParameters.swift",
        "Parameters/ModifyDevDependenciesParameters.swift",
        "Parameters/PushParameters.swift",
        "Parameters/ScriptParameters.swift",
        "Parameters/StepParameter.swift",
        "Parameters/SwiftScriptParameters.swift",
        "Parameters/TagParameters.swift",
        "RocketFileFinder.swift",
        "Step.swift",
        "StepsParser.swift",
        "VersionBumpOption.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "Rocket",
      "module_type" : "SwiftTarget",
      "name" : "Rocket",
      "path" : "Sources/Rocket",
      "product_dependencies" : [
        "Yams",
        "Logger",
        "PackageConfig"
      ],
      "product_memberships" : [
        "rocket"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "RocketLib"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "5.4"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -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 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Fetching https://github.com/nicklockwood/SwiftFormat.git
Fetching https://github.com/shibapm/PackageConfig.git
Fetching https://github.com/Quick/Nimble
Fetching https://github.com/shibapm/Komondor.git
Fetching https://github.com/f-meloni/TestSpy
Fetching https://github.com/kareman/SwiftShell
[1/509] Fetching komondor
[266/1089] Fetching komondor, packageconfig
[1090/5952] Fetching komondor, packageconfig, swiftshell
[2160/8000] Fetching komondor, packageconfig, swiftshell, testspy
[6015/27567] Fetching komondor, packageconfig, swiftshell, testspy, nimble
Fetched https://github.com/kareman/SwiftShell from cache (0.43s)
Fetching https://github.com/shibapm/Logger
[1780/22704] Fetching komondor, packageconfig, testspy, nimble
[2563/69434] Fetching komondor, packageconfig, testspy, nimble, swiftformat
[6235/69550] Fetching komondor, packageconfig, testspy, nimble, swiftformat, logger
Fetched https://github.com/shibapm/Logger from cache (0.22s)
[7315/69434] Fetching komondor, packageconfig, testspy, nimble, swiftformat
Fetching https://github.com/jpsim/Yams
[26430/79723] Fetching komondor, packageconfig, testspy, nimble, swiftformat, yams
Fetched https://github.com/jpsim/Yams from cache (1.99s)
[29247/69434] Fetching komondor, packageconfig, testspy, nimble, swiftformat
Fetched https://github.com/f-meloni/TestSpy from cache (2.80s)
[27666/67386] Fetching komondor, packageconfig, nimble, swiftformat
Fetched https://github.com/shibapm/PackageConfig.git from cache (30.64s)
Fetched https://github.com/shibapm/Komondor.git from cache (30.64s)
Fetched https://github.com/Quick/Nimble from cache (30.70s)
Fetched https://github.com/nicklockwood/SwiftFormat.git from cache (31.73s)
Computing version for https://github.com/kareman/SwiftShell
Computed https://github.com/kareman/SwiftShell at 5.1.0 (32.74s)
Computing version for https://github.com/shibapm/Logger
Computed https://github.com/shibapm/Logger at 0.2.3 (3.14s)
Computing version for https://github.com/f-meloni/TestSpy
Computed https://github.com/f-meloni/TestSpy at 0.5.0 (0.54s)
Fetching https://github.com/Quick/Quick
[1/14755] Fetching quick
Fetched https://github.com/Quick/Quick from cache (0.66s)
Computing version for https://github.com/Quick/Nimble
Computed https://github.com/Quick/Nimble at 8.1.2 (1.23s)
Computing version for https://github.com/Quick/Quick
Computed https://github.com/Quick/Quick at 3.1.2 (0.58s)
Computing version for https://github.com/shibapm/PackageConfig.git
Computed https://github.com/shibapm/PackageConfig.git at 1.1.3 (0.79s)
Computing version for https://github.com/shibapm/Komondor.git
Computed https://github.com/shibapm/Komondor.git at 1.1.4 (0.57s)
Fetching https://github.com/JohnSundell/ShellOut.git
Fetching https://github.com/f-meloni/Rocket
Fetching https://github.com/Realm/SwiftLint.git
[1/1386] Fetching rocket
[639/2346] Fetching rocket, shellout
Fetched https://github.com/f-meloni/Rocket from cache (0.22s)
Fetched https://github.com/JohnSundell/ShellOut.git from cache (0.22s)
[1/149903] Fetching swiftlint
Fetched https://github.com/Realm/SwiftLint.git from cache (25.86s)
Computing version for https://github.com/f-meloni/Rocket
Computed https://github.com/f-meloni/Rocket at 1.3.0 (31.71s)
Computing version for https://github.com/JohnSundell/ShellOut.git
Computed https://github.com/JohnSundell/ShellOut.git at 2.3.0 (2.02s)
Computing version for https://github.com/jpsim/Yams
Computed https://github.com/jpsim/Yams at 5.3.1 (0.68s)
Computing version for https://github.com/Realm/SwiftLint.git
Computed https://github.com/Realm/SwiftLint.git at 0.59.1 (1.05s)
Fetching https://github.com/JohnSundell/CollectionConcurrencyKit.git
Fetching https://github.com/scottrhoyt/SwiftyTextTable.git
Fetching https://github.com/apple/swift-argument-parser.git
Fetching https://github.com/swiftlang/swift-syntax.git
Fetching https://github.com/jpsim/SourceKitten.git
Fetching https://github.com/krzyzanowskim/CryptoSwift.git
[1/929] Fetching swiftytexttable
[893/1013] Fetching swiftytexttable, collectionconcurrencykit
[1014/13947] Fetching swiftytexttable, collectionconcurrencykit, cryptoswift
Fetched https://github.com/scottrhoyt/SwiftyTextTable.git from cache (0.27s)
[214/13018] Fetching collectionconcurrencykit, cryptoswift
[1508/29130] Fetching collectionconcurrencykit, cryptoswift, sourcekitten
[6891/44080] Fetching collectionconcurrencykit, cryptoswift, sourcekitten, swift-argument-parser
[28347/114313] Fetching collectionconcurrencykit, cryptoswift, sourcekitten, swift-argument-parser, swift-syntax
Fetched https://github.com/jpsim/SourceKitten.git from cache (1.36s)
[45527/98201] Fetching collectionconcurrencykit, cryptoswift, swift-argument-parser, swift-syntax
Fetched https://github.com/krzyzanowskim/CryptoSwift.git from cache (1.67s)
[48746/85267] Fetching collectionconcurrencykit, swift-argument-parser, swift-syntax
Fetched https://github.com/JohnSundell/CollectionConcurrencyKit.git from cache (4.74s)
Fetched https://github.com/apple/swift-argument-parser.git from cache (4.75s)
Fetched https://github.com/swiftlang/swift-syntax.git from cache (4.79s)
Computing version for https://github.com/krzyzanowskim/CryptoSwift.git
Computed https://github.com/krzyzanowskim/CryptoSwift.git at 1.8.4 (5.36s)
Computing version for https://github.com/JohnSundell/CollectionConcurrencyKit.git
Computed https://github.com/JohnSundell/CollectionConcurrencyKit.git at 0.2.0 (0.53s)
Computing version for https://github.com/scottrhoyt/SwiftyTextTable.git
Computed https://github.com/scottrhoyt/SwiftyTextTable.git at 0.9.0 (2.18s)
Computing version for https://github.com/jpsim/SourceKitten.git
Computed https://github.com/jpsim/SourceKitten.git at 0.37.0 (0.84s)
Fetching https://github.com/drmohundro/SWXMLHash.git
[1/2820] Fetching swxmlhash
Fetched https://github.com/drmohundro/SWXMLHash.git from cache (0.30s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 601.0.0 (1.02s)
Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 7.0.2 (0.56s)
Computing version for https://github.com/apple/swift-argument-parser.git
Computed https://github.com/apple/swift-argument-parser.git at 1.5.0 (0.51s)
Computing version for https://github.com/nicklockwood/SwiftFormat.git
Computed https://github.com/nicklockwood/SwiftFormat.git at 0.55.5 (0.55s)
Creating working copy for https://github.com/f-meloni/Rocket
Working copy of https://github.com/f-meloni/Rocket resolved at 1.3.0
Creating working copy for https://github.com/drmohundro/SWXMLHash.git
Working copy of https://github.com/drmohundro/SWXMLHash.git resolved at 7.0.2
Creating working copy for https://github.com/JohnSundell/CollectionConcurrencyKit.git
Working copy of https://github.com/JohnSundell/CollectionConcurrencyKit.git resolved at 0.2.0
Creating working copy for https://github.com/jpsim/SourceKitten.git
Working copy of https://github.com/jpsim/SourceKitten.git resolved at 0.37.0
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 601.0.0
Creating working copy for https://github.com/shibapm/PackageConfig.git
Working copy of https://github.com/shibapm/PackageConfig.git resolved at 1.1.3
Creating working copy for https://github.com/shibapm/Komondor.git
Working copy of https://github.com/shibapm/Komondor.git resolved at 1.1.4
Creating working copy for https://github.com/kareman/SwiftShell
Working copy of https://github.com/kareman/SwiftShell resolved at 5.1.0
Creating working copy for https://github.com/JohnSundell/ShellOut.git
Working copy of https://github.com/JohnSundell/ShellOut.git resolved at 2.3.0
Creating working copy for https://github.com/Realm/SwiftLint.git
Working copy of https://github.com/Realm/SwiftLint.git resolved at 0.59.1
Creating working copy for https://github.com/apple/swift-argument-parser.git
Working copy of https://github.com/apple/swift-argument-parser.git resolved at 1.5.0
Creating working copy for https://github.com/Quick/Nimble
Working copy of https://github.com/Quick/Nimble resolved at 8.1.2
Creating working copy for https://github.com/jpsim/Yams
Working copy of https://github.com/jpsim/Yams resolved at 5.3.1
Creating working copy for https://github.com/Quick/Quick
Working copy of https://github.com/Quick/Quick resolved at 3.1.2
Creating working copy for https://github.com/shibapm/Logger
Working copy of https://github.com/shibapm/Logger resolved at 0.2.3
Creating working copy for https://github.com/f-meloni/TestSpy
Working copy of https://github.com/f-meloni/TestSpy resolved at 0.5.0
Creating working copy for https://github.com/krzyzanowskim/CryptoSwift.git
Working copy of https://github.com/krzyzanowskim/CryptoSwift.git resolved at 1.8.4
Creating working copy for https://github.com/scottrhoyt/SwiftyTextTable.git
Working copy of https://github.com/scottrhoyt/SwiftyTextTable.git resolved at 0.9.0
Creating working copy for https://github.com/nicklockwood/SwiftFormat.git
Working copy of https://github.com/nicklockwood/SwiftFormat.git resolved at 0.55.5
error: unable to override package 'Rocket' because its identity 'rocket' doesn't match override's identity (directory name) 'spi-builder-workspace'
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
error: unable to override package 'Rocket' because its identity 'rocket' doesn't match override's identity (directory name) 'spi-builder-workspace'
error: multiple packages ('rocket', 'spi-builder-workspace') declare targets with a conflicting name: 'RocketLib’; target names need to be unique across the package graph
error: multiple packages ('rocket', 'spi-builder-workspace') declare targets with a conflicting name: 'Rocket’; target names need to be unique across the package graph
BUILD FAILURE 6.1 linux