Build Information
Failed to build SwiftDeterminism, reference main (ff53b5), with Swift 6.1 for watchOS using Xcode 16.3 on 27 Sep 2026 01:17:36 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: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/jpurnell/SwiftDeterminism.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jpurnell/SwiftDeterminism
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at ff53b5a feat(calendar): Calendar.iso8601UTC, for the one component the system changes
Cloned https://github.com/jpurnell/SwiftDeterminism.git
Revision (git rev-parse @):
ff53b5aa728a33fea62c98390b16ff54892070ea
SUCCESS checkout https://github.com/jpurnell/SwiftDeterminism.git at main
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Build
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Selected platform: watchOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/jpurnell/SwiftDeterminism.git
https://github.com/jpurnell/SwiftDeterminism.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-09-26 18:17:35.534 xcodebuild[503:2867] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-26-09_18-17-0035.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 6.1.0
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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-09-26 18:17:36.259 xcodebuild[512:2952] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-26-09_18-17-0036.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 6.1.0
BUILD FAILURE 6.1 watchOS