Build Information
Failed to build PSPDFKit-SP-Mirror, reference 27.1.0 (4fbf6e), with Swift 6.1 for watchOS using Xcode 16.3 on 17 Oct 2026 14:51:54 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: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/MFB-Technologies-Inc/PSPDFKit-SP-Mirror.git
Reference: 27.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/MFB-Technologies-Inc/PSPDFKit-SP-Mirror
* tag 27.1.0 -> FETCH_HEAD
HEAD is now at 4fbf6e7 Merge pull request #25 from MFB-Technologies-Inc/feature/27.1.0
Cloned https://github.com/MFB-Technologies-Inc/PSPDFKit-SP-Mirror.git
Revision (git rev-parse @):
4fbf6e783b1240dbb78c47a9b1b4ea84e0d93ff5
SUCCESS checkout https://github.com/MFB-Technologies-Inc/PSPDFKit-SP-Mirror.git at 27.1.0
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Build
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Selected platform: watchOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/MFB-Technologies-Inc/PSPDFKit-SP-Mirror.git
https://github.com/MFB-Technologies-Inc/PSPDFKit-SP-Mirror.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)
2026-10-17 07:51:53.715 xcodebuild[505:2878] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-17-10_07-51-0053.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)
2026-10-17 07:51:54.420 xcodebuild[514:2966] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-17-10_07-51-0054.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 watchOS