Swift Package Index

Build Information

Failed to build swift-measures, reference main (dbbdb4), with Swift 6.1 for macOS (SPM) on 9 Oct 2026 05:28:14 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

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RunAll
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Builder version: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/BikeCalc/swift-measures.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/BikeCalc/swift-measures
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at dbbdb47 test: reorganize measure test suites by unit
Cloned https://github.com/BikeCalc/swift-measures.git
Revision (git rev-parse @):
dbbdb47da767a87f69ee9c9b955258ddf6b4251a
SUCCESS checkout https://github.com/BikeCalc/swift-measures.git at main
========================================
Build
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Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/BikeCalc/swift-measures.git
https://github.com/BikeCalc/swift-measures.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