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 Winnie, reference v1.0.0 (f1feb7), with Swift 5.10 for macOS (SPM) on 2 Jul 2025 04:01:06 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/patricktcoakley/Winnie.git
Reference: v1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/patricktcoakley/Winnie
 * tag               v1.0.0     -> FETCH_HEAD
HEAD is now at f1feb76 Add comment preservation option; refactoring to lock in API.
Cloned https://github.com/patricktcoakley/Winnie.git
Revision (git rev-parse @):
f1feb769969c2704a0d090a445eee0850dd7d67e
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/patricktcoakley/Winnie.git at v1.0.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/patricktcoakley/Winnie.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