Swift Package Index

Build Information

Failed to build SwiftTailwind, reference main (53a2e6), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 19 Apr 2026 05:08:58 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/laosb/SwiftTailwind.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/laosb/SwiftTailwind
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 53a2e6b chore: Update TailwindCSSCLI to version 4.2.1
Cloned https://github.com/laosb/SwiftTailwind.git
Revision (git rev-parse @):
53a2e6bfb61b880ddf4dc14c98851f37d3919053
SUCCESS checkout https://github.com/laosb/SwiftTailwind.git at main
========================================
Build
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Selected platform:         macosXcodebuild
Swift version:             6.3
Building package at path:  $PWD
https://github.com/laosb/SwiftTailwind.git
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/apple/swift-argument-parser.git
Fetching from https://github.com/apple/swift-crypto.git
Fetching from https://github.com/apple/swift-asn1.git
Creating working copy of package ‘swift-crypto’
Checking out 4.4.0 of package ‘swift-crypto’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.7.1 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-asn1’
Checking out 1.7.0 of package ‘swift-asn1’
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.2.1-e8c826ef1e50a546d990602bf922a21515b536e20affd34a35761055a7415216/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.4'fatalErrorResolve Package Graph
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.2.1-e8c826ef1e50a546d990602bf922a21515b536e20affd34a35761055a7415216/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.4'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-19 01:08:56.201 xcodebuild[529:3061] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-19-04_01-08-0056.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.2.1-e8c826ef1e50a546d990602bf922a21515b536e20affd34a35761055a7415216/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.4'
  fatalError
Command line invocation:
    /Applications/Xcode-26.4.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.2.1-e8c826ef1e50a546d990602bf922a21515b536e20affd34a35761055a7415216/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.4'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-19 01:08:58.142 xcodebuild[704:4166] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-19-04_01-08-0058.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.2.1-e8c826ef1e50a546d990602bf922a21515b536e20affd34a35761055a7415216/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.4'
  fatalError
BUILD FAILURE 6.3 macosXcodebuild