Swift Package Index

Build Information

Failed to build Compute, reference 0.1.0 (a5d215), with Swift 6.1 for watchOS using Xcode 16.3 on 28 Feb 2026 00:52:50 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

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/jcmosc/Compute.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jcmosc/Compute
 * tag               0.1.0      -> FETCH_HEAD
HEAD is now at a5d215c Add #include <utility> for platforms where std::exchange is not transitively included
Submodule path 'Checkouts/swift-runtime-headers': checked out '42c0a0f7b02cc040c5a537fc5c577ca9b884dff8'
Submodule 'Checkouts/swift-runtime-headers' (https://github.com/jcmosc/swift-runtime-headers.git) registered for path 'Checkouts/swift-runtime-headers'
Cloning into '/Users/admin/builder/spi-builder-workspace/Checkouts/swift-runtime-headers'...
Cloned https://github.com/jcmosc/Compute.git
Revision (git rev-parse @):
a5d215cacfb981d181dda690d0415b1f0b5fa5ab
SUCCESS checkout https://github.com/jcmosc/Compute.git at 0.1.0
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Build
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Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/jcmosc/Compute.git
https://github.com/jcmosc/Compute.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
BUILD FAILURE 6.1 watchOS