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 Storybook, reference 2.9.1 (29ebe3), with Swift 5.10 for macOS (SPM) on 13 Oct 2025 14:53:36 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/eure/swift-storybook.git
Reference: 2.9.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/eure/swift-storybook
 * tag               2.9.1      -> FETCH_HEAD
HEAD is now at 29ebe39 Fix (#62)
Cloned https://github.com/eure/swift-storybook.git
Revision (git rev-parse @):
29ebe3924ae1cd54a0de93e16db79fecc0181e7d
SUCCESS checkout https://github.com/eure/swift-storybook.git at 2.9.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/eure/swift-storybook.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