Swift Package Index

Build Information

Successful build of swift-once-macro, reference 1.1.1 (5f9d4e), with Swift 6.2 for macOS (SPM) on 1 Apr 2026 01:37:48 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.69.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/davdroman/swift-once-macro.git
Reference: 1.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/davdroman/swift-once-macro
 * tag               1.1.1      -> FETCH_HEAD
HEAD is now at 5f9d4e7 Bump swift-syntax upper bound to ..<604 (#8)
Cloned https://github.com/davdroman/swift-once-macro.git
Revision (git rev-parse @):
5f9d4e77cd95335fe14b44064fcf7f96e8ed56a0
SUCCESS checkout https://github.com/davdroman/swift-once-macro.git at 1.1.1
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/pointfreeco/swift-snapshot-testing
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
Fetching https://github.com/pointfreeco/swift-macro-testing
[1/5439] Fetching swift-custom-dump
[2/6400] Fetching swift-custom-dump, swift-macro-testing
[752/12123] Fetching swift-custom-dump, swift-macro-testing, xctest-dynamic-overlay
[12124/28153] Fetching swift-custom-dump, swift-macro-testing, xctest-dynamic-overlay, swift-snapshot-testing
[12285/103060] Fetching swift-custom-dump, swift-macro-testing, xctest-dynamic-overlay, swift-snapshot-testing, swift-syntax
Fetched https://github.com/pointfreeco/swift-macro-testing from cache (3.21s)
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (3.81s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing from cache (3.81s)
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (3.81s)
Fetched https://github.com/swiftlang/swift-syntax from cache (3.81s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (7.23s)
Computing version for https://github.com/pointfreeco/swift-macro-testing
Computed https://github.com/pointfreeco/swift-macro-testing at 0.6.4 (0.58s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.18.9 (0.60s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (0.55s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.56s)
Creating working copy for https://github.com/pointfreeco/swift-macro-testing
Working copy of https://github.com/pointfreeco/swift-macro-testing resolved at 0.6.4
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.18.9
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.5.0
Creating working copy for https://github.com/pointfreeco/xctest-dynamic-overlay
Working copy of https://github.com/pointfreeco/xctest-dynamic-overlay resolved at 1.9.0
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.2.0.19.9-MacroSupport-macos_aarch64.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.2.0.19.9-MacroSupport-macos_aarch64.zip (0.25s)
========================================
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": "swift-once-macro",
      "name": "swift-once-macro",
      "url": "https://github.com/davdroman/swift-once-macro.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-once-macro",
      "dependencies": [
        {
          "identity": "swift-syntax",
          "name": "swift-syntax",
          "url": "https://github.com/swiftlang/swift-syntax",
          "version": "603.0.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-syntax",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/davdroman/swift-once-macro.git
[1/355] Fetching swift-once-macro
Fetched https://github.com/davdroman/swift-once-macro.git from cache (0.71s)
Fetching https://github.com/swiftlang/swift-syntax from cache
Fetched https://github.com/swiftlang/swift-syntax from cache (0.80s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.0 (1.62s)
Creating working copy for https://github.com/davdroman/swift-once-macro.git
Working copy of https://github.com/davdroman/swift-once-macro.git resolved at 1.1.1 (5f9d4e7)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.0
warning: '.resolve-product-dependencies': dependency 'swift-once-macro' is not used by any target
Found 1 product dependencies
  - swift-syntax
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/davdroman/swift-once-macro.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0.app xcrun swift build --arch arm64
Building for debugging...
[0/6] Write sources
[3/6] Write swift-version-49B95AFC49DCD68C.txt
[5/9] Compiling OnceMacro OnceMacro.swift
[6/9] Emitting module OnceMacro
[7/9] Compiling OnceMacro OnceMacroPlugin.swift
[7/9] Write Objects.LinkFileList
[8/9] Linking OnceMacro-tool
[10/15] Compiling Once Macros.swift
[12/15] Emitting module Once
[13/15] Compiling Once Exports.swift
[15/15] Emitting module Once
Build complete! (6.97s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-macro-testing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.6.0",
            "upper_bound" : "1.0.0"
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      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-macro-testing"
    },
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      "identity" : "swift-syntax",
      "requirement" : {
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            "upper_bound" : "604.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-syntax"
    }
  ],
  "manifest_display_name" : "swift-once-macro",
  "name" : "swift-once-macro",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
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    },
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      "name" : "watchos",
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    }
  ],
  "products" : [
    {
      "name" : "Once",
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        "Once"
      ],
      "type" : {
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    },
    {
      "name" : "OnceMacro",
      "targets" : [
        "OnceMacro"
      ],
      "type" : {
        "macro" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "OnceTests",
      "module_type" : "SwiftTarget",
      "name" : "OnceTests",
      "path" : "Tests/OnceTests",
      "sources" : [
        "OnceTests.swift"
      ],
      "target_dependencies" : [
        "Once"
      ],
      "type" : "test"
    },
    {
      "c99name" : "OnceMacroTests",
      "module_type" : "SwiftTarget",
      "name" : "OnceMacroTests",
      "path" : "Tests/OnceMacroTests",
      "product_dependencies" : [
        "MacroTesting"
      ],
      "sources" : [
        "OnceMacroTests.swift"
      ],
      "target_dependencies" : [
        "OnceMacro"
      ],
      "type" : "test"
    },
    {
      "c99name" : "OnceMacro",
      "module_type" : "SwiftTarget",
      "name" : "OnceMacro",
      "path" : "Sources/OnceMacro",
      "product_dependencies" : [
        "SwiftCompilerPlugin",
        "SwiftSyntaxMacros"
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      "product_memberships" : [
        "Once",
        "OnceMacro"
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      "sources" : [
        "OnceMacro.swift",
        "OnceMacroPlugin.swift"
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      "type" : "macro"
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    {
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      "module_type" : "SwiftTarget",
      "name" : "Once",
      "path" : "Sources/Once",
      "product_memberships" : [
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      "sources" : [
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      "target_dependencies" : [
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      "type" : "library"
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  "tools_version" : "6.1"
}
Done.