Build Information
Failed to build swift-async-result, reference main (99313d), with Swift 6.1 for watchOS using Xcode 16.3 on 7 Apr 2026 16:10:25 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: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/kylehughes/swift-async-result.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kylehughes/swift-async-result
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 99313d5 Add explicit `nonisolated(nonsending)` to async methods and closures
Cloned https://github.com/kylehughes/swift-async-result.git
Revision (git rev-parse @):
99313d55d9cff4f9450f409838907b5f12be41d0
SUCCESS checkout https://github.com/kylehughes/swift-async-result.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/kylehughes/swift-async-result.git
https://github.com/kylehughes/swift-async-result.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)
2026-04-07 09:10:24.873 xcodebuild[497:2896] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-07-04_09-10-0024.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)
2026-04-07 09:10:25.571 xcodebuild[507:2994] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-07-04_09-10-0025.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