Swift Package Index

Build Information

Successful build of swift-atomics, reference main (bc30c6), with Swift 6.3 for macOS (SPM) on 12 Aug 2026 21:26:44 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/apple/swift-atomics.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-atomics
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at bc30c67 Update README with a prominent note about `struct Atomic`
Cloned https://github.com/apple/swift-atomics.git
Revision (git rev-parse @):
bc30c67cf0c4479633621ad7950d71494a07390f
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-atomics.git at main
========================================
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",
  "traits": [
    "default"
  ],
  "dependencies": [
    {
      "identity": "swift-atomics",
      "name": "swift-atomics",
      "url": "https://github.com/apple/swift-atomics.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-atomics",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/apple/swift-atomics.git
[1/1875] Fetching swift-atomics
Fetched https://github.com/apple/swift-atomics.git from cache (1.19s)
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at main (bc30c67)
warning: '.resolve-product-dependencies': dependency 'swift-atomics' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/apple/swift-atomics.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[1/3] Write swift-version--6988338F2F200930.txt
[2/3] Compiling _AtomicsShims.c
[4/22] Compiling Atomics UnsafeAtomicLazyReference.swift
[5/22] Compiling Atomics IntegerOperations.swift
[6/22] Compiling Atomics AtomicInteger.swift
[7/22] Compiling Atomics AtomicOptionalWrappable.swift
[8/22] Compiling Atomics AtomicReference.swift
[9/22] Compiling Atomics AtomicStorage.swift
[10/22] Compiling Atomics ManagedAtomicLazyReference.swift
[11/22] Compiling Atomics UnsafeAtomic.swift
[12/22] Compiling Atomics DoubleWord.swift
[13/22] Compiling Atomics ManagedAtomic.swift
[14/22] Compiling Atomics AtomicValue.swift
[15/22] Compiling Atomics AtomicMemoryOrderings.swift
[16/23] Compiling Atomics PointerConformances.swift
[17/23] Compiling Atomics Primitives.native.swift
[18/23] Compiling Atomics AtomicBool.swift
[19/23] Compiling Atomics IntegerConformances.swift
[20/23] Compiling Atomics OptionalRawRepresentable.swift
[21/23] Compiling Atomics RawRepresentable.swift
[22/23] Emitting module Atomics
[23/23] Compiling Atomics Unmanaged extensions.swift
Build complete! (2.17s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-atomics",
  "name" : "swift-atomics",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Atomics",
      "targets" : [
        "Atomics"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "_AtomicsShims",
      "module_type" : "ClangTarget",
      "name" : "_AtomicsShims",
      "path" : "Sources/_AtomicsShims",
      "product_memberships" : [
        "Atomics"
      ],
      "sources" : [
        "src/_AtomicsShims.c"
      ],
      "type" : "library"
    },
    {
      "c99name" : "AtomicsTests",
      "module_type" : "SwiftTarget",
      "name" : "AtomicsTests",
      "path" : "Tests/AtomicsTests",
      "sources" : [
        "AtomicLazyReference.swift",
        "Basics/BasicTestSupport.swift",
        "Basics/autogenerated/BasicAtomicBoolTests.swift",
        "Basics/autogenerated/BasicAtomicDoubleWordTests.swift",
        "Basics/autogenerated/BasicAtomicInt16Tests.swift",
        "Basics/autogenerated/BasicAtomicInt32Tests.swift",
        "Basics/autogenerated/BasicAtomicInt64Tests.swift",
        "Basics/autogenerated/BasicAtomicInt8Tests.swift",
        "Basics/autogenerated/BasicAtomicIntTests.swift",
        "Basics/autogenerated/BasicAtomicMutablePointerTests.swift",
        "Basics/autogenerated/BasicAtomicMutableRawPointerTests.swift",
        "Basics/autogenerated/BasicAtomicOptionalMutablePointerTests.swift",
        "Basics/autogenerated/BasicAtomicOptionalMutableRawPointerTests.swift",
        "Basics/autogenerated/BasicAtomicOptionalPointerTests.swift",
        "Basics/autogenerated/BasicAtomicOptionalRawPointerTests.swift",
        "Basics/autogenerated/BasicAtomicOptionalRawRepresentableTests.swift",
        "Basics/autogenerated/BasicAtomicOptionalReferenceTests.swift",
        "Basics/autogenerated/BasicAtomicOptionalUnmanagedTests.swift",
        "Basics/autogenerated/BasicAtomicPointerTests.swift",
        "Basics/autogenerated/BasicAtomicRawPointerTests.swift",
        "Basics/autogenerated/BasicAtomicRawRepresentableTests.swift",
        "Basics/autogenerated/BasicAtomicReferenceTests.swift",
        "Basics/autogenerated/BasicAtomicUInt16Tests.swift",
        "Basics/autogenerated/BasicAtomicUInt32Tests.swift",
        "Basics/autogenerated/BasicAtomicUInt64Tests.swift",
        "Basics/autogenerated/BasicAtomicUInt8Tests.swift",
        "Basics/autogenerated/BasicAtomicUIntTests.swift",
        "Basics/autogenerated/BasicAtomicUnmanagedTests.swift",
        "DoubleWord.swift",
        "LifetimeTracked.swift",
        "LockFreeQueue.swift",
        "LockFreeSingleConsumerStack.swift",
        "StrongReferenceRace.swift",
        "StrongReferenceShuffle.swift",
        "StrongReferenceSubclass.swift"
      ],
      "target_dependencies" : [
        "Atomics"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Atomics",
      "module_type" : "SwiftTarget",
      "name" : "Atomics",
      "path" : "Sources/Atomics",
      "product_memberships" : [
        "Atomics"
      ],
      "sources" : [
        "Conformances/OptionalRawRepresentable.swift",
        "Conformances/RawRepresentable.swift",
        "Conformances/autogenerated/AtomicBool.swift",
        "Conformances/autogenerated/IntegerConformances.swift",
        "Conformances/autogenerated/PointerConformances.swift",
        "Primitives/autogenerated/Primitives.native.swift",
        "Protocols/AtomicInteger.swift",
        "Protocols/AtomicOptionalWrappable.swift",
        "Protocols/AtomicReference.swift",
        "Protocols/AtomicStorage.swift",
        "Protocols/AtomicValue.swift",
        "Types/AtomicMemoryOrderings.swift",
        "Types/DoubleWord.swift",
        "Types/ManagedAtomic.swift",
        "Types/ManagedAtomicLazyReference.swift",
        "Types/UnsafeAtomic.swift",
        "Types/UnsafeAtomicLazyReference.swift",
        "Types/autogenerated/IntegerOperations.swift",
        "Unmanaged extensions.swift"
      ],
      "target_dependencies" : [
        "_AtomicsShims"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
✅  Doc result (pending) reported
========================================
GenerateDocs
========================================
Generating docs at path:  $PWD/.docs/apple/swift-atomics/main
Repository:               apple/swift-atomics
Swift version used:       6.3
Target:                   Atomics
Extracting symbol information for 'Atomics'...
Finished extracting symbol information for 'Atomics'. (18.58s)
Building documentation for 'Atomics'...
warning: '9t4wj' isn't a disambiguation for 'atomicCompareExchange(expected:desired:at:successOrdering:failureOrdering:)' at '/Atomics/AtomicStorage'
  --> Extensions/AtomicStorage.md:20:80-20:86
18 | - ``atomicExchange(_:at:ordering:)``
19 | - ``atomicCompareExchange(expected:desired:at:ordering:)``
20 + - ``atomicCompareExchange(expected:desired:at:successOrdering:failureOrdering:)-9t4wj``
   |                                                                                ╰─suggestion: Remove '-9t4wj' for 'static func atomicCompareExchange(expected: Self.Value, desired: Self.Value, at pointer: UnsafeMutablePointer<Self>, successOrdering: AtomicUpdateOrdering, failureOrdering: AtomicLoadOrdering) -> (exchanged: Bool, original: Self.Value)'
21 | - ``atomicWeakCompareExchange(expected:desired:at:ordering:)-55229``
22 | - ``atomicWeakCompareExchange(expected:desired:at:successOrdering:failureOrdering:)``
Finished building documentation for 'Atomics' (0.89s)
Generated documentation archive at:
  /Users/admin/builder/spi-builder-workspace/.docs/apple/swift-atomics/main
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/2345] Fetching swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (1.60s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (4.29s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3805] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.33s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.05s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Building for debugging...
[0/8] Write sources
[2/8] Write snippet-extract-tool-entitlement.plist
[4/8] Write swift-version--6988338F2F200930.txt
[6/54] Compiling SymbolKit GenericConstraint.swift
[7/54] Compiling SymbolKit GenericParameter.swift
[8/54] Compiling SymbolKit Generics.swift
[9/54] Compiling SymbolKit Namespace.swift
[10/54] Compiling SymbolKit SemanticVersion.swift
[11/54] Compiling SymbolKit AccessControl.swift
[12/54] Compiling SymbolKit Availability.swift
[13/54] Compiling SymbolKit AvailabilityItem.swift
[14/54] Compiling SymbolKit Domain.swift
[15/54] Compiling SymbolKit Mixin+Equals.swift
[16/54] Compiling SymbolKit Mixin+Hash.swift
[17/54] Compiling SymbolKit Mixin.swift
[18/54] Compiling SymbolKit LineList.swift
[19/54] Compiling SymbolKit Position.swift
[20/58] Compiling SymbolKit Relationship.swift
[21/58] Compiling SymbolKit RelationshipKind.swift
[22/58] Compiling SymbolKit SourceOrigin.swift
[23/58] Compiling SymbolKit GenericConstraints.swift
[24/58] Compiling SymbolKit Swift.swift
[25/58] Compiling SymbolKit DeclarationFragments.swift
[26/58] Compiling SymbolKit Fragment.swift
[27/58] Compiling SymbolKit FragmentKind.swift
[28/58] Compiling SymbolKit FunctionParameter.swift
[29/58] Compiling SymbolKit FunctionSignature.swift
[30/58] Emitting module SymbolKit
[31/58] Compiling SymbolKit SourceRange.swift
[32/58] Compiling SymbolKit Metadata.swift
[33/58] Compiling SymbolKit Module.swift
[34/58] Compiling SymbolKit OperatingSystem.swift
[35/58] Compiling SymbolKit Platform.swift
[36/58] Compiling SymbolKit Identifier.swift
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[40/58] Compiling SymbolKit Names.swift
[41/58] Compiling SymbolKit SPI.swift
[42/58] Compiling SymbolKit Snippet.swift
[43/58] Compiling SymbolKit Extension.swift
[44/58] Compiling SymbolKit Symbol.swift
[45/58] Compiling SymbolKit SymbolKind.swift
[46/58] Compiling SymbolKit SymbolGraph.swift
[47/58] Compiling SymbolKit GraphCollector.swift
[48/58] Compiling Snippets SnippetLanguage.swift
[49/58] Emitting module Snippets
[50/58] Compiling Snippets SnippetParser.swift
[51/58] Compiling Snippets Snippet.swift
[52/58] Compiling SymbolKit UnifiedSymbol+Encodable.swift
[53/58] Compiling SymbolKit UnifiedSymbol.swift
[54/58] Compiling SymbolKit UnifiedSymbolGraph+Encodable.swift
[55/58] Compiling SymbolKit UnifiedSymbolGraph.swift
[56/62] Compiling snippet_extract URL+Status.swift
[57/62] Compiling snippet_extract SymbolGraph+Snippet.swift
[58/62] Emitting module snippet_extract
[59/62] Compiling snippet_extract SnippetBuildCommand.swift
[59/62] Write Objects.LinkFileList
[60/62] Linking snippet-extract-tool
[61/62] Applying snippet-extract-tool
Build of product 'snippet-extract' complete! (6.69s)
Building for debugging...
[0/1] Write swift-version--6988338F2F200930.txt
Build of target: 'Atomics' complete! (0.23s)
    1238
12	/Users/admin/builder/spi-builder-workspace/.docs/apple/swift-atomics/main
✅  Doc result (uploading) reported
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SyncDocs
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Doc archive source directory: $PWD/.docs/apple/swift-atomics/main
File count: 1238
Doc size:   12.0MB
Preparing doc bundle ...
Using presigned URL upload - AWS credentials not required
Uploading -apple-swift-atomics-main-5a96e098.zip to presigned URL
Starting upload of 2181727 bytes...
Upload completed successfully
Done.