Build Information
Failed to build csourcekit, reference 0.1.0 (1d3b0c), with Swift 6.4 for watchOS using Xcode 27.0 on 17 Sep 2026 02:26:07 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/csourcekit.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tanner0101/csourcekit
* tag 0.1.0 -> FETCH_HEAD
HEAD is now at 1d3b0cf first commit
Cloned https://github.com/tanner0101/csourcekit.git
Revision (git rev-parse @):
1d3b0cf480e0b253a2d5c45eb76c28d98dd1e895
SUCCESS checkout https://github.com/tanner0101/csourcekit.git at 0.1.0
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Build
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Selected platform: watchOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/tanner0101/csourcekit.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
package 'spi-builder-workspace' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.4' to specify the current tools version
Resolved source packages:
spi-builder-workspace: (null)
2026-09-16 22:26:05.567 xcodebuild[525:3015] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-09_22-26-0005.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.4' to specify the current tools version
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
package 'spi-builder-workspace' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.4' to specify the current tools version
Resolved source packages:
spi-builder-workspace: (null)
2026-09-16 22:26:07.587 xcodebuild[582:3481] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-16-09_22-26-0007.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.4' to specify the current tools version
BUILD FAILURE 6.4 watchOS