Swift Package Index

Build Information

Failed to build Lightning, reference master (e2649a), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 06:31:02 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

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/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
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/skylab-inc/lightning.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Fetching https://github.com/crossroadlabs/Regex.git
[1/1296] Fetching regex
Fetched https://github.com/crossroadlabs/Regex.git (1.08s)
Fetching https://github.com/skylab-inc/PathToRegex.git
[1/362] Fetching pathtoregex
Fetched https://github.com/skylab-inc/PathToRegex.git (0.86s)
error: the Swift tools version specification is possibly missing a version specifier; consider using '// swift-tools-version: 6.4' 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 6.4 macosSpm