Build Information
Failed to build swift-witness, reference main (71f302), with Swift 6.1 for tvOS using Xcode 16.3 on 10 Nov 2026 15:42:20 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: 5.1.4
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swift-atoms/swift-witness.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-atoms/swift-witness
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 71f302e compound suite name: narrative suites move into the test module's namespace `<File> Tests` (#239's layout), nested suites into extension <Path>.<Parent> (overnight/compound-suites.py); parse-checked; builds pending (coenttb/work#242)
Cloned https://github.com/swift-atoms/swift-witness.git
Revision (git rev-parse @):
71f302e2c43f8f51002d6abc503c7838bd9fd52d
SUCCESS checkout https://github.com/swift-atoms/swift-witness.git at main
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Build
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Selected platform: tvOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/swift-atoms/swift-witness.git
https://github.com/swift-atoms/swift-witness.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.4.0 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 6.4.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-11-10 07:42:19.446 xcodebuild[504:2906] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-10-11_07-42-0019.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.4.0 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 6.4.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-11-10 07:42:20.170 xcodebuild[514:2995] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-10-11_07-42-0020.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 tvOS