Swift Package Index

Build Information

Successful build of swift-once-macro, reference main (ad2ffa), with Swift 6.3 for macOS (SPM) on 11 Apr 2026 14:14:18 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: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/davdroman/swift-once-macro.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/davdroman/swift-once-macro
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ad2ffab Refresh swift-syntax compatibility checks (#9)
Cloned https://github.com/davdroman/swift-once-macro.git
Revision (git rev-parse @):
ad2ffab7ba8b47f2be4ffd348a7f62f9247fd126
SUCCESS checkout https://github.com/davdroman/swift-once-macro.git at main
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/swiftlang/swift-syntax
Fetching https://github.com/pointfreeco/xctest-dynamic-overlay
Fetching https://github.com/pointfreeco/swift-snapshot-testing
Fetching https://github.com/pointfreeco/swift-macro-testing
[1/961] Fetching swift-macro-testing
[174/6425] Fetching swift-macro-testing, swift-custom-dump
[809/12148] Fetching swift-macro-testing, swift-custom-dump, xctest-dynamic-overlay
[10089/28194] Fetching swift-macro-testing, swift-custom-dump, xctest-dynamic-overlay, swift-snapshot-testing
[12631/103161] Fetching swift-macro-testing, swift-custom-dump, xctest-dynamic-overlay, swift-snapshot-testing, swift-syntax
Fetched https://github.com/pointfreeco/swift-macro-testing from cache (4.19s)
Fetched https://github.com/pointfreeco/swift-custom-dump from cache (4.20s)
Fetched https://github.com/swiftlang/swift-syntax from cache (4.20s)
Computing version for https://github.com/swiftlang/swift-syntax
[6686/21769] Fetching xctest-dynamic-overlay, swift-snapshot-testing
Computed https://github.com/swiftlang/swift-syntax at 602.0.0 (7.77s)
Computing version for https://github.com/pointfreeco/swift-macro-testing
Computed https://github.com/pointfreeco/swift-macro-testing at 0.6.4 (0.76s)
Fetched https://github.com/pointfreeco/xctest-dynamic-overlay from cache (17.76s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing from cache (17.76s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.18.9 (9.83s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.5.0 (0.58s)
Computing version for https://github.com/pointfreeco/xctest-dynamic-overlay
Computed https://github.com/pointfreeco/xctest-dynamic-overlay at 1.9.0 (0.58s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 602.0.0
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/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-macro-testing
Working copy of https://github.com/pointfreeco/swift-macro-testing resolved at 0.6.4
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/602.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip (0.35s)
========================================
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-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",
      "traits": [
        "default"
      ],
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/davdroman/swift-once-macro.git
[1/377] Fetching swift-once-macro
Fetched https://github.com/davdroman/swift-once-macro.git from cache (0.67s)
Fetching https://github.com/swiftlang/swift-syntax from cache
Fetched https://github.com/swiftlang/swift-syntax from cache (0.98s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 603.0.0 (2.31s)
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 main (ad2ffab)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 603.0.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/603.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip
Downloaded https://download.swift.org/prebuilts/swift-syntax/603.0.0/swiftlang-6.3.0.123.5-macosx26.4-MacroSupport.zip (0.30s)
warning: '.resolve-product-dependencies': dependency 'swift-once-macro' 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/davdroman/swift-once-macro.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/6] Write sources
[3/6] Write swift-version--6988338F2F200930.txt
[5/9] Compiling OnceMacro OnceMacroPlugin.swift
[6/9] Compiling OnceMacro OnceMacro.swift
[7/9] Emitting module OnceMacro
[7/9] Write Objects.LinkFileList
[8/9] Linking OnceMacro-tool
[10/15] Compiling Once Macros.swift
[11/15] Emitting module Once
[12/15] Compiling Once Exports.swift
[13/15] Compiling Once Macros.swift
[14/15] Emitting module Once
[15/15] Compiling Once Exports.swift
Build complete! (8.57s)
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"
    },
    {
      "identity" : "swift-syntax",
      "requirement" : {
        "range" : [
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            "lower_bound" : "600.0.0",
            "upper_bound" : "605.0.0"
          }
        ]
      },
      "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",
      "version" : "1.0"
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      "name" : "watchos",
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  ],
  "products" : [
    {
      "name" : "Once",
      "targets" : [
        "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"
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      "target_dependencies" : [
        "OnceMacro"
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      "type" : "test"
    },
    {
      "c99name" : "OnceMacro",
      "module_type" : "SwiftTarget",
      "name" : "OnceMacro",
      "path" : "Sources/OnceMacro",
      "product_dependencies" : [
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        "SwiftSyntaxMacros"
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      "product_memberships" : [
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        "OnceMacro"
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      "sources" : [
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        "OnceMacroPlugin.swift"
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      "type" : "macro"
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    {
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      "name" : "Once",
      "path" : "Sources/Once",
      "product_memberships" : [
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      "sources" : [
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        "Macros.swift"
      ],
      "target_dependencies" : [
        "OnceMacro"
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      "type" : "library"
    }
  ],
  "tools_version" : "6.1"
}
Done.