Swift Package Index

Build Information

Failed to build Lightning, reference master (e2649a), with Swift 6.3 for macOS (SPM) on 10 Apr 2026 17:54:15 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/skylab-inc/lightning.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/skylab-inc/lightning
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e2649af Refactored and added more tests
Cloned https://github.com/skylab-inc/lightning.git
Revision (git rev-parse @):
e2649af0c70347ee0d4a7d863b8e86e8c98136f8
SUCCESS checkout https://github.com/skylab-inc/lightning.git at master
Fetching https://github.com/crossroadlabs/Regex.git
[1/1296] Fetching regex
Fetched https://github.com/crossroadlabs/Regex.git from cache (0.91s)
Fetching https://github.com/skylab-inc/PathToRegex.git
[1/362] Fetching pathtoregex
Fetched https://github.com/skylab-inc/PathToRegex.git from cache (0.74s)
error: the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.3' to specify the current Swift toolchain version as the lowest Swift version supported by the project in https://github.com/skylab-inc/PathToRegex.git
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Build
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Selected platform:         macosSpm
Swift version:             6.3
Building package at path:  $PWD
https://github.com/skylab-inc/lightning.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Updating https://github.com/crossroadlabs/Regex.git
Updated https://github.com/crossroadlabs/Regex.git (0.40s)
Updating https://github.com/skylab-inc/PathToRegex.git
Updated https://github.com/skylab-inc/PathToRegex.git (0.44s)
error: the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.3' to specify the current Swift toolchain version as the lowest Swift version supported by the project in https://github.com/skylab-inc/PathToRegex.git
BUILD FAILURE 6.3 macosSpm