Swift Package Index

Build Information

Failed to build Uncertain, reference main (962d4c), with Swift 5.10 for macOS (SPM) on 28 Aug 2025 15:17:47 UTC.

Build Command

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

Build Log

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RunAll
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Builder version: 4.67.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mattt/Uncertain.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mattt/Uncertain
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 962d4cc Add link to NSHipster blog post (#11)
Cloned https://github.com/mattt/Uncertain.git
Revision (git rev-parse @):
962d4cc802a2b179685d33919cb02588218d063e
SUCCESS checkout https://github.com/mattt/Uncertain.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/mattt/Uncertain.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 6.0.0 but the installed version is 5.10.0
BUILD FAILURE 5.10 macosSpm