Build Information
Failed to build SwiftTestKit, reference 2.1.0 (8f9692), with Swift 6.1 for macOS (SPM) on 1 May 2026 02:31:27 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swift-developer-tools/swift-test-kit.git
Reference: 2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-developer-tools/swift-test-kit
* tag 2.1.0 -> FETCH_HEAD
HEAD is now at 8f9692d Merge pull request #61 from swift-developer-tools/feature/rawrepresentable-leaf
Cloned https://github.com/swift-developer-tools/swift-test-kit.git
Revision (git rev-parse @):
8f9692dbb9b07a964c3e4719f4fd2bc96b84dd55
SUCCESS checkout https://github.com/swift-developer-tools/swift-test-kit.git at 2.1.0
========================================
Build
========================================
Selected platform: macosSpm
Swift version: 6.1
Building package at path: $PWD
https://github.com/swift-developer-tools/swift-test-kit.git
https://github.com/swift-developer-tools/swift-test-kit.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.1.0
error: fatalError
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.1.0
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 macosSpm