Swift Package Index

Build Information

Failed to build Dwifft, reference 0.6.3 (aaa28d), with Swift 6.3 for visionOS using Xcode 26.4 on 21 Apr 2026 07:49:19 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: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/jflinter/Dwifft.git
Reference: 0.6.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/jflinter/Dwifft
 * tag               0.6.3      -> FETCH_HEAD
HEAD is now at aaa28dd 0.6.3
Cloned https://github.com/jflinter/Dwifft.git
Revision (git rev-parse @):
aaa28dd45562b8bf4cfdfc76d963527136c90c3e
SUCCESS checkout https://github.com/jflinter/Dwifft.git at 0.6.3
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Build
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Selected platform:         visionOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/jflinter/Dwifft.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
error: 'spi-builder-workspace': package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
error: fatalError
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
error: 'spi-builder-workspace': package 'package.swift' is using Swift tools version 3.1.0 which is no longer supported; consider using '// swift-tools-version: 6.3' to specify the current tools version
error: fatalError
BUILD FAILURE 6.3 visionOS