Build Information
Failed to build swift-idna, reference v1.0.0-beta.24 (471993), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 19 Jan 2026 20:00:56 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: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swift-dns/swift-idna.git
Reference: v1.0.0-beta.24
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-dns/swift-idna
* tag v1.0.0-beta.24 -> FETCH_HEAD
HEAD is now at 4719935 Update of benchmark thresholds with the deviated baseline
Cloned https://github.com/swift-dns/swift-idna.git
Revision (git rev-parse @):
47199358521837089aa6152c65364c305f2f060d
SUCCESS checkout https://github.com/swift-dns/swift-idna.git at v1.0.0-beta.24
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Build
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Selected platform: macosXcodebuild
Swift version: 6.1
Building package at path: $PWD
https://github.com/swift-dns/swift-idna.git
https://github.com/swift-dns/swift-idna.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.1 but the installed version is 6.1.0
error: fatalError
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.1 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-01-19 12:00:55.345 xcodebuild[526:3034] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-01_12-00-0055.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.1 but the installed version is 6.1.0
Command line invocation:
/Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.1 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-01-19 12:00:56.112 xcodebuild[540:3175] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-01_12-00-0056.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.1 but the installed version is 6.1.0
BUILD FAILURE 6.1 macosXcodebuild