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Build Information

Failed to build SwiftyLoadLetter, reference v2.1.0 (0b1883), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 4 Oct 2026 07:56:09 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/Pianometal-Studios/SwiftyLoadLetter.git
Reference: v2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Pianometal-Studios/SwiftyLoadLetter
 * tag               v2.1.0     -> FETCH_HEAD
HEAD is now at 0b18832 Merge pull request #78 from Pianometal-Studios/updates
Cloned https://github.com/Pianometal-Studios/SwiftyLoadLetter.git
Revision (git rev-parse @):
0b188325626f7b8177a3738f032c938a58a895e5
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Pianometal-Studios/SwiftyLoadLetter.git at v2.1.0
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/Pianometal-Studios/SwiftyLoadLetter.git
https://github.com/Pianometal-Studios/SwiftyLoadLetter.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)
2026-10-04 00:56:08.862 xcodebuild[502:2870] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-04-10_00-56-0008.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)
2026-10-04 00:56:09.614 xcodebuild[512:2984] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-04-10_00-56-0009.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 macosXcodebuild