Build Information
Failed to build swift-test-doubles, reference main (5fbbce), with Swift 6.1 for iOS using Xcode 16.3 on 30 Sep 2026 23:11:00 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: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/tevelee/swift-test-doubles.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tevelee/swift-test-doubles
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 5fbbce5 ci: bump the github-actions group with 2 updates (#22)
Cloned https://github.com/tevelee/swift-test-doubles.git
Revision (git rev-parse @):
5fbbce518acaafe0559b52e5de63f211ede3fd3d
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/tevelee/swift-test-doubles.git at main
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Build
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Selected platform: iOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/tevelee/swift-test-doubles.git
https://github.com/tevelee/swift-test-doubles.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 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 6.3.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-09-30 16:10:59.958 xcodebuild[503:2922] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-30-09_16-10-0059.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.3.0 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 6.3.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-09-30 16:11:00.748 xcodebuild[516:3052] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-30-09_16-11-0000.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 iOS