Build Information
Failed to build SourceKit, reference master (56f6d6), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 17:40:01 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
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
Fetching /Users/tanner/dev/tanner0101/csourcekit
Fetching https://github.com/vapor/bits.git
Fetching https://github.com/tanner0101/csourcekit.git
[1/358] Fetching bits
[37/373] Fetching bits, csourcekit
Fetched https://github.com/tanner0101/csourcekit.git from cache (0.56s)
Fetched https://github.com/vapor/bits.git from cache (0.60s)
Computing version for https://github.com/tanner0101/csourcekit.git
error: 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
========================================
Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/tanner0101/sourcekit.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Updating https://github.com/tanner0101/csourcekit.git
Updating https://github.com/vapor/bits.git
Updated https://github.com/tanner0101/csourcekit.git (0.47s)
Updated https://github.com/vapor/bits.git (0.47s)
Computing version for https://github.com/tanner0101/csourcekit.git
error: 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 6.3 macosSpm