Swift Package Index

Build Information

Failed to build EventSource, reference 1.3.0 (ca2a9d), with Swift 5.10 for macOS (SPM) on 31 Oct 2025 15:30:45 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: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mattt/EventSource.git
Reference: 1.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mattt/EventSource
 * tag               1.3.0      -> FETCH_HEAD
HEAD is now at ca2a9d9 Bump version to 1.3.0
Cloned https://github.com/mattt/EventSource.git
Revision (git rev-parse @):
ca2a9d90cbe49e09b92f4b6ebd922c03ebea51d0
SUCCESS checkout https://github.com/mattt/EventSource.git at 1.3.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/mattt/EventSource.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