Build Information
Failed to build SourceKit, reference master (56f6d6), with Swift 6.4 for visionOS using Xcode 27.0 on 16 Sep 2026 06:03:06 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: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/tanner0101/sourcekit.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tanner0101/sourcekit
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 56f6d6f updates
Cloned https://github.com/tanner0101/sourcekit.git
Revision (git rev-parse @):
56f6d6f53cca58982f664f1fa3abf5bf9d821f2c
SUCCESS checkout https://github.com/tanner0101/sourcekit.git at master
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Build
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Selected platform: visionOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/tanner0101/sourcekit.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/tanner0101/csourcekit.git
Fetching from https://github.com/vapor/bits.git
Resolve Package Graph
Updating from https://github.com/vapor/bits.git
Updating from https://github.com/tanner0101/csourcekit.git
Resolve Package Graph
Updating from https://github.com/vapor/bits.git
Updating from https://github.com/tanner0101/csourcekit.git
Resolved source packages:
spi-builder-workspace: (null)
2026-09-16 02:03:04.416 xcodebuild[528:3056] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-09_02-03-0004.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because root depends on 'csourcekit' 0.0.0..<1.0.0.
'csourcekit' cannot be used because no versions of 'csourcekit' match the requirement {0.0.0..<0.1.0, 0.1.1..<1.0.0} and 'csourcekit' 0.1.0 contains incompatible tools version (3.1.0).
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/tanner0101/csourcekit.git
Updating from https://github.com/vapor/bits.git
Resolved source packages:
spi-builder-workspace: (null)
2026-09-16 02:03:06.029 xcodebuild[662:3885] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-09_02-03-0006.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because root depends on 'csourcekit' 0.0.0..<1.0.0.
'csourcekit' cannot be used because no versions of 'csourcekit' match the requirement {0.0.0..<0.1.0, 0.1.1..<1.0.0} and 'csourcekit' 0.1.0 contains incompatible tools version (3.1.0).
BUILD FAILURE 6.4 visionOS