The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build MMExpressionSolver, reference master (2eb552), with Swift 5.10 for macOS (SPM) on 13 Sep 2025 20:31:17 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.67.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/MarcusMiss/MMExpressionSolver.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/MarcusMiss/MMExpressionSolver
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 2eb5524 Merge pull request #16 from MarcusMiss/release/1.2.0
Cloned https://github.com/MarcusMiss/MMExpressionSolver.git
Revision (git rev-parse @):
2eb55240d9a1a7afe7e82d327d5c2b3d5bf38980
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/MarcusMiss/MMExpressionSolver.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/MarcusMiss/MMExpressionSolver.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 5.10.0
BUILD FAILURE 5.10 macosSpm