Build Information
Failed to build ListDiff, reference master (139050), with Swift 6.4 for macOS (SPM) on 20 Sep 2026 04:34:15 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64Build 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/lxcid/ListDiff.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/lxcid/ListDiff
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 1390504 Merge pull request #11 from nickaroot/master
Cloned https://github.com/lxcid/ListDiff.git
Revision (git rev-parse @):
1390504170150f378aa1be17f92322e6d12533d8
SUCCESS checkout https://github.com/lxcid/ListDiff.git at master
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Build
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Selected platform: macosSpm
Swift version: 6.4
Building package at path: $PWD
https://github.com/lxcid/ListDiff.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': target at '/Users/admin/builder/spi-builder-workspace/Tests/ListDiffTests' contains mixed language source files; feature not supported
BUILD FAILURE 6.4 macosSpm