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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 URL, reference 1.0.2 (93d252), with Swift 6.1 for macOS (SPM) on 5 May 2025 07:38:33 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: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jordanekay/URL.git
Reference: 1.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jordanekay/URL
 * tag               1.0.2      -> FETCH_HEAD
HEAD is now at 93d2526 Bug fix: Removed `URLError.stringLiteralMustHaveOnlyOneSegment` and combined separate guard statements. Added a new unit test.
Cloned https://github.com/jordanekay/URL.git
Revision (git rev-parse @):
93d2526ae69ea35f222f59abfcc4298bf4e370de
SUCCESS checkout https://github.com/jordanekay/URL.git at 1.0.2
Fetching https://github.com/apple/swift-syntax.git
[1/70342] Fetching swift-syntax
Fetched https://github.com/apple/swift-syntax.git from cache (3.15s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-08-15-a (4.44s)
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 509.0.0-swift-DEVELOPMENT-SNAPSHOT-2023-08-15-a
========================================
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": "url",
      "name": "URL",
      "url": "https://github.com/jordanekay/URL.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/URL",
      "dependencies": [
        {
          "identity": "swift-syntax",
          "name": "swift-syntax",
          "url": "https://github.com/apple/swift-syntax.git",
          "version": "509.1.1",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-syntax",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/jordanekay/URL.git
[1/78] Fetching url
Fetched https://github.com/jordanekay/URL.git from cache (0.69s)
Fetching https://github.com/apple/swift-syntax.git from cache
Fetched https://github.com/apple/swift-syntax.git from cache (0.80s)
Computing version for https://github.com/apple/swift-syntax.git
Computed https://github.com/apple/swift-syntax.git at 509.1.1 (1.50s)
Creating working copy for https://github.com/jordanekay/URL.git
Working copy of https://github.com/jordanekay/URL.git resolved at 1.0.2 (93d2526)
Creating working copy for https://github.com/apple/swift-syntax.git
Working copy of https://github.com/apple/swift-syntax.git resolved at 509.1.1
Found 1 product dependencies
  - swift-syntax
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jordanekay/URL.git
https://github.com/jordanekay/URL.git
{
  "dependencies" : [
    {
      "identity" : "swift-syntax",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "509.0.0-swift-5.9-DEVELOPMENT-SNAPSHOT-2023-04-25-b",
            "upper_bound" : "510.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-syntax.git"
    }
  ],
  "manifest_display_name" : "URL",
  "name" : "URL",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "URL",
      "targets" : [
        "URL"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "URLClient",
      "targets" : [
        "URLClient"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "URLMacros",
      "targets" : [
        "URLMacros"
      ],
      "type" : {
        "macro" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "URLTests",
      "module_type" : "SwiftTarget",
      "name" : "URLTests",
      "path" : "Tests/URLTests",
      "product_dependencies" : [
        "SwiftSyntaxMacrosTestSupport"
      ],
      "sources" : [
        "URLTests.swift"
      ],
      "target_dependencies" : [
        "URLMacros"
      ],
      "type" : "test"
    },
    {
      "c99name" : "URLMacros",
      "module_type" : "SwiftTarget",
      "name" : "URLMacros",
      "path" : "Sources/URLMacros",
      "product_dependencies" : [
        "SwiftSyntaxMacros",
        "SwiftCompilerPlugin"
      ],
      "product_memberships" : [
        "URL",
        "URLClient",
        "URLMacros"
      ],
      "sources" : [
        "URLMacro.swift"
      ],
      "type" : "macro"
    },
    {
      "c99name" : "URLClient",
      "module_type" : "SwiftTarget",
      "name" : "URLClient",
      "path" : "Sources/URLClient",
      "product_memberships" : [
        "URLClient"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "URL"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "URL",
      "module_type" : "SwiftTarget",
      "name" : "URL",
      "path" : "Sources/URL",
      "product_memberships" : [
        "URL",
        "URLClient"
      ],
      "sources" : [
        "URL.swift"
      ],
      "target_dependencies" : [
        "URLMacros"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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
Building for debugging...
[0/21] Write sources
[4/21] Write URLClient-entitlement.plist
[4/21] Write sources
[15/21] Write swift-version-2F0A5646E1D333AE.txt
[17/67] Compiling SwiftSyntax AbsolutePosition.swift
[18/67] Compiling SwiftSyntax Assert.swift
[19/67] Compiling SwiftSyntax BumpPtrAllocator.swift
[20/67] Compiling SwiftSyntax CommonAncestor.swift
[21/67] Compiling SwiftSyntax Convenience.swift
[22/67] Compiling SwiftSyntax RawSyntaxTokenView.swift
[23/67] Compiling SwiftSyntax SourceLength.swift
[24/67] Compiling SwiftSyntax SourceLocation.swift
[25/67] Compiling SwiftSyntax SourcePresence.swift
[26/67] Compiling SwiftSyntax SwiftSyntaxCompatibility.swift
[27/72] Compiling SwiftSyntax MemoryLayout.swift
[28/72] Compiling SwiftSyntax MissingNodeInitializers.swift
[29/72] Compiling SwiftSyntax RawSyntax.swift
[30/72] Compiling SwiftSyntax RawSyntaxLayoutView.swift
[31/72] Compiling SwiftSyntax RawSyntaxNodeProtocol.swift
[32/72] Compiling SwiftSyntax Syntax.swift
[33/72] Compiling SwiftSyntax SyntaxArena.swift
[34/72] Compiling SwiftSyntax SyntaxChildren.swift
[35/72] Compiling SwiftSyntax SyntaxCollection.swift
[36/72] Compiling SwiftSyntax SyntaxData.swift
[37/72] Compiling SwiftSyntax SyntaxText.swift
[38/72] Compiling SwiftSyntax SyntaxTreeViewMode.swift
[39/72] Compiling SwiftSyntax TokenDiagnostic.swift
[40/72] Compiling SwiftSyntax TokenSyntax.swift
[41/72] Compiling SwiftSyntax Trivia.swift
[42/72] Compiling SwiftSyntax SyntaxAnyVisitor.swift
[43/72] Compiling SwiftSyntax SyntaxBaseNodes.swift
[44/72] Compiling SwiftSyntax SyntaxCollections.swift
[45/72] Compiling SwiftSyntax SyntaxEnum.swift
[46/72] Compiling SwiftSyntax SyntaxKind.swift
[47/72] Emitting module SwiftSyntax
[48/72] Compiling SwiftSyntax Utils.swift
[49/72] Compiling SwiftSyntax ChildNameForKeyPath.swift
[50/72] Compiling SwiftSyntax Keyword.swift
[51/72] Compiling SwiftSyntax RenamedChildrenCompatibility.swift
[52/72] Compiling SwiftSyntax RenamedNodesCompatibility.swift
[53/72] Compiling SwiftSyntax Tokens.swift
[54/72] Compiling SwiftSyntax TriviaPieces.swift
[55/72] Compiling SwiftSyntax RawSyntaxNodes.swift
[56/72] Compiling SwiftSyntax RawSyntaxValidation.swift
[57/72] Compiling SwiftSyntax SyntaxDeclNodes.swift
[58/72] Compiling SwiftSyntax SyntaxExprNodes.swift
[59/72] Compiling SwiftSyntax SyntaxNodes.swift
[60/72] Compiling SwiftSyntax SyntaxPatternNodes.swift
[61/72] Compiling SwiftSyntax SyntaxStmtNodes.swift
[62/72] Compiling SwiftSyntax SyntaxTypeNodes.swift
[63/72] Compiling SwiftSyntax SyntaxRewriter.swift
[64/72] Compiling SwiftSyntax SyntaxTraits.swift
[65/72] Compiling SwiftSyntax SyntaxTransform.swift
[66/72] Compiling SwiftSyntax SyntaxVisitor.swift
[67/72] Compiling SwiftSyntax TokenKind.swift
[68/124] Compiling SwiftDiagnostics Note.swift
[69/124] Compiling SwiftDiagnostics Message.swift
[70/124] Compiling SwiftBasicFormat Syntax+Extensions.swift
[71/124] Compiling SwiftBasicFormat SyntaxProtocol+Formatted.swift
[72/124] Compiling SwiftBasicFormat Trivia+FormatExtensions.swift
[73/124] Compiling SwiftDiagnostics GroupedDiagnostics.swift
[74/124] Compiling SwiftDiagnostics Convenience.swift
[75/124] Compiling SwiftDiagnostics Diagnostic.swift
[76/124] Compiling SwiftDiagnostics DiagnosticsFormatter.swift
[77/124] Compiling SwiftDiagnostics FixIt.swift
[78/124] Emitting module SwiftDiagnostics
[79/124] Emitting module SwiftBasicFormat
[80/124] Compiling SwiftBasicFormat BasicFormat.swift
[81/124] Compiling SwiftParser Names.swift
[82/124] Compiling SwiftParser Nominals.swift
[83/124] Compiling SwiftParser Parameters.swift
[84/124] Compiling SwiftParser ParseSourceFile.swift
[85/128] Compiling SwiftParser Statements.swift
[86/128] Compiling SwiftParser StringLiteralRepresentedLiteralValue.swift
[87/128] Compiling SwiftParser StringLiterals.swift
[88/128] Compiling SwiftParser SwiftParserCompatibility.swift
[89/128] Compiling SwiftParser UnicodeScalarExtensions.swift
[90/128] Compiling SwiftParser Lookahead.swift
[91/128] Compiling SwiftParser LoopProgressCondition.swift
[92/128] Compiling SwiftParser Modifiers.swift
[93/128] Compiling SwiftParser Lexeme.swift
[94/128] Compiling SwiftParser LexemeSequence.swift
[95/128] Compiling SwiftParser Lexer.swift
[96/128] Compiling SwiftParser RegexLiteralLexer.swift
[97/128] Compiling SwiftParser Parser.swift
[98/128] Compiling SwiftParser Patterns.swift
[99/128] Compiling SwiftParser Recovery.swift
[100/128] Compiling SwiftParser Specifiers.swift
[101/128] Compiling SwiftParser TokenSpecSet.swift
[102/128] Compiling SwiftParser TopLevel.swift
[103/128] Compiling SwiftParser TriviaParser.swift
[104/128] Compiling SwiftParser Types.swift
[105/128] Compiling SwiftParser Attributes.swift
[106/128] Compiling SwiftParser Availability.swift
[107/128] Compiling SwiftParser CharacterInfo.swift
[108/128] Compiling SwiftParser CollectionNodes+Parsable.swift
[109/128] Compiling SwiftParser Declarations.swift
[110/128] Compiling SwiftParser SyntaxUtils.swift
[111/128] Compiling SwiftParser TokenConsumer.swift
[112/128] Compiling SwiftParser TokenPrecedence.swift
[113/128] Compiling SwiftParser TokenSpec.swift
[114/128] Compiling SwiftParser IsLexerClassified.swift
[115/128] Compiling SwiftParser LayoutNodes+Parsable.swift
[116/128] Compiling SwiftParser Parser+TokenSpecSet.swift
[117/128] Compiling SwiftParser TokenSpecStaticMembers.swift
[118/128] Compiling SwiftParser Directives.swift
[119/128] Compiling SwiftParser ExperimentalFeatures.swift
[120/128] Compiling SwiftParser Expressions.swift
[121/128] Compiling SwiftParser IncrementalParseTransition.swift
[122/128] Compiling SwiftParser Cursor.swift
[123/128] Emitting module SwiftParser
[124/151] Compiling SwiftParserDiagnostics SyntaxKindNameForDiagnostics.swift
[125/152] Compiling SwiftOperators PrecedenceGroup.swift
[126/152] Compiling SwiftOperators PrecedenceGraph.swift
[127/152] Compiling SwiftOperators OperatorTable.swift
[128/153] Compiling SwiftParserDiagnostics TokenNameForDiagnostics.swift
[129/153] Compiling SwiftOperators SyntaxSynthesis.swift
[130/153] Compiling SwiftOperators OperatorTable+Semantics.swift
[131/153] Compiling SwiftOperators OperatorTable+Defaults.swift
[132/153] Compiling SwiftOperators OperatorError+Diagnostics.swift
[133/153] Compiling SwiftOperators Operator.swift
[134/153] Emitting module SwiftOperators
[135/153] Compiling SwiftOperators OperatorTable+Folding.swift
[136/153] Compiling SwiftOperators OperatorError.swift
[137/153] Compiling SwiftParserDiagnostics Utils.swift
[138/153] Compiling SwiftParserDiagnostics SyntaxExtensions.swift
[139/153] Compiling SwiftParserDiagnostics ChildNameForDiagnostics.swift
[140/153] Compiling SwiftParserDiagnostics DiagnosticExtensions.swift
[141/153] Compiling SwiftParserDiagnostics LexerDiagnosticMessages.swift
[142/153] Emitting module SwiftParserDiagnostics
[143/153] Compiling SwiftParserDiagnostics PresenceUtils.swift
[144/153] Compiling SwiftParserDiagnostics MultiLineStringLiteralDiagnosticsGenerator.swift
[145/153] Compiling SwiftParserDiagnostics ParseDiagnosticsGenerator.swift
[146/153] Compiling SwiftParserDiagnostics MissingNodesError.swift
[147/153] Compiling SwiftParserDiagnostics MissingTokenError.swift
[148/153] Compiling SwiftParserDiagnostics ParserDiagnosticMessages.swift
[149/167] Compiling SwiftSyntaxBuilder ValidatingSyntaxNodes.swift
[150/167] Compiling SwiftSyntaxBuilder WithTrailingCommaSyntax+EnsuringTrailingComma.swift
[151/167] Compiling SwiftSyntaxBuilder BuildableNodes.swift
[152/167] Compiling SwiftSyntaxBuilder RenamedChildrenBuilderCompatibility.swift
[153/167] Compiling SwiftSyntaxBuilder ResultBuilders.swift
[154/167] Compiling SwiftSyntaxBuilder SwiftSyntaxBuilderCompatibility.swift
[155/167] Compiling SwiftSyntaxBuilder Syntax+StringInterpolation.swift
[156/168] Compiling SwiftSyntaxBuilder SyntaxExpressibleByStringInterpolationConformances.swift
[157/168] Emitting module SwiftSyntaxBuilder
[158/168] Compiling SwiftSyntaxBuilder ConvenienceInitializers.swift
[159/168] Compiling SwiftSyntaxBuilder DeclSyntaxParseable.swift
[160/168] Compiling SwiftSyntaxBuilder Indenter.swift
[161/168] Compiling SwiftSyntaxBuilder ResultBuilderExtensions.swift
[162/168] Compiling SwiftSyntaxBuilder SyntaxNodeWithBody.swift
[163/168] Compiling SwiftSyntaxBuilder SyntaxParsable+ExpressibleByStringInterpolation.swift
[164/182] Compiling SwiftSyntaxMacros MemberMacro.swift
[165/183] Compiling SwiftSyntaxMacros FreestandingMacro.swift
[166/183] Compiling SwiftSyntaxMacros MemberAttributeMacro.swift
[167/183] Compiling SwiftSyntaxMacros Macro.swift
[168/183] Compiling SwiftSyntaxMacros Macro+Format.swift
[169/183] Compiling SwiftSyntaxMacros ExpressionMacro.swift
[170/183] Compiling SwiftSyntaxMacros ExtensionMacro.swift
[171/183] Compiling SwiftSyntaxMacros AccessorMacro.swift
[172/183] Compiling SwiftSyntaxMacros AttachedMacro.swift
[173/183] Compiling SwiftSyntaxMacros CodeItemMacro.swift
[174/183] Compiling SwiftSyntaxMacros DeclarationMacro.swift
[175/183] Emitting module SwiftSyntaxMacros
[176/183] Compiling SwiftSyntaxMacros AbstractSourceLocation.swift
[177/183] Compiling SwiftSyntaxMacros MacroExpansionContext.swift
[178/183] Compiling SwiftSyntaxMacros PeerMacro.swift
[179/191] Compiling SwiftSyntaxMacroExpansion MacroReplacement.swift
[180/191] Compiling SwiftSyntaxMacroExpansion MacroExpansionDiagnosticMessages.swift
[181/191] Compiling SwiftSyntaxMacroExpansion MacroExpansion.swift
[182/191] Compiling SwiftSyntaxMacroExpansion IndentationUtils.swift
[183/191] Compiling SwiftSyntaxMacroExpansion FunctionParameterUtils.swift
[184/191] Compiling SwiftSyntaxMacroExpansion MacroSystem.swift
[185/191] Emitting module SwiftSyntaxMacroExpansion
[186/191] Compiling SwiftSyntaxMacroExpansion BasicMacroExpansionContext.swift
[187/198] Compiling SwiftCompilerPluginMessageHandling PluginMessageCompatibility.swift
[188/198] Compiling SwiftCompilerPluginMessageHandling Diagnostics.swift
[189/198] Compiling SwiftCompilerPluginMessageHandling PluginMacroExpansionContext.swift
[190/198] Compiling SwiftCompilerPluginMessageHandling Macros.swift
[191/198] Emitting module SwiftCompilerPluginMessageHandling
[192/198] Compiling SwiftCompilerPluginMessageHandling CompilerPluginMessageHandler.swift
[193/198] Compiling SwiftCompilerPluginMessageHandling PluginMessages.swift
[194/200] Compiling SwiftCompilerPlugin CompilerPlugin.swift
[195/200] Emitting module SwiftCompilerPlugin
[196/202] Emitting module URLMacros
[197/202] Compiling URLMacros URLMacro.swift
[197/202] Write Objects.LinkFileList
[198/202] Linking URLMacros-tool
[200/204] Emitting module URL
[201/204] Compiling URL URL.swift
[202/206] Compiling URLClient main.swift
[203/206] Emitting module URLClient
[203/206] Write Objects.LinkFileList
[204/206] Linking URLClient
[205/206] Applying URLClient
Build complete! (31.86s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-syntax",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "509.0.0-swift-5.9-DEVELOPMENT-SNAPSHOT-2023-04-25-b",
            "upper_bound" : "510.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-syntax.git"
    }
  ],
  "manifest_display_name" : "URL",
  "name" : "URL",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "URL",
      "targets" : [
        "URL"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "URLClient",
      "targets" : [
        "URLClient"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "URLMacros",
      "targets" : [
        "URLMacros"
      ],
      "type" : {
        "macro" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "URLTests",
      "module_type" : "SwiftTarget",
      "name" : "URLTests",
      "path" : "Tests/URLTests",
      "product_dependencies" : [
        "SwiftSyntaxMacrosTestSupport"
      ],
      "sources" : [
        "URLTests.swift"
      ],
      "target_dependencies" : [
        "URLMacros"
      ],
      "type" : "test"
    },
    {
      "c99name" : "URLMacros",
      "module_type" : "SwiftTarget",
      "name" : "URLMacros",
      "path" : "Sources/URLMacros",
      "product_dependencies" : [
        "SwiftSyntaxMacros",
        "SwiftCompilerPlugin"
      ],
      "product_memberships" : [
        "URL",
        "URLClient",
        "URLMacros"
      ],
      "sources" : [
        "URLMacro.swift"
      ],
      "type" : "macro"
    },
    {
      "c99name" : "URLClient",
      "module_type" : "SwiftTarget",
      "name" : "URLClient",
      "path" : "Sources/URLClient",
      "product_memberships" : [
        "URLClient"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "URL"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "URL",
      "module_type" : "SwiftTarget",
      "name" : "URL",
      "path" : "Sources/URL",
      "product_memberships" : [
        "URL",
        "URLClient"
      ],
      "sources" : [
        "URL.swift"
      ],
      "target_dependencies" : [
        "URLMacros"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.