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Build Information

Failed to build swiftly, reference 1.1.1 (714cc4), with Swift 5.10 for macOS (SPM) on 15 Dec 2025 01:18:06 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/swiftlang/swiftly.git
Reference: 1.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swiftly
 * tag               1.1.1      -> FETCH_HEAD
HEAD is now at 714cc4e [Cherry-pick] Ensure the macOS SDK exists at install time (#481)
Cloned https://github.com/swiftlang/swiftly.git
Revision (git rev-parse @):
714cc4e057e214132ee892b5a1bc66c3de590a97
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swiftly.git at 1.1.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $PWD
https://github.com/swiftlang/swiftly.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