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Build Information

Failed to build swift-whatwg-url, reference 0.2.5 (aa81b2), with Swift 6.0 for macOS (Xcode) using Xcode 16.2 on 23 Apr 2026 19:59:18 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swift-whatwg/swift-whatwg-url.git
Reference: 0.2.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-whatwg/swift-whatwg-url
 * tag               0.2.5      -> FETCH_HEAD
HEAD is now at aa81b2f Fix optional unwrapping in tests
Cloned https://github.com/swift-whatwg/swift-whatwg-url.git
Revision (git rev-parse @):
aa81b2fed40a5eaedf9ee3e97255949a7c664c24
SUCCESS checkout https://github.com/swift-whatwg/swift-whatwg-url.git at 0.2.5
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.0
Building package at path:  $PWD
https://github.com/swift-whatwg/swift-whatwg-url.git
Command line invocation:
    /Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
Resolved source packages:
  spi-builder-workspace: (null)
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
2026-04-23 12:59:15.105 xcodebuild[478:2766] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-23-04_12-59-0015.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
Command line invocation:
    /Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-23 12:59:16.917 xcodebuild[536:3098] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-23-04_12-59-0016.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
BUILD FAILURE 6.0 macosXcodebuild