Swift Package Index

Build Information

Failed to build SwiftTailwind, reference main (9bdfd4), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 26 Sep 2026 22:41:34 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
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 9bdfd48 Update TailwindCSS CLI to v4.3.3
Cloned https://github.com/laosb/SwiftTailwind.git
Revision (git rev-parse @):
9bdfd48a140a917138bd35f5082aa024a0fb9ac3
SUCCESS checkout https://github.com/laosb/SwiftTailwind.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/laosb/SwiftTailwind.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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/swiftlang/swift-subprocess.git
Fetching from https://github.com/apple/swift-system
Fetching from https://github.com/apple/swift-asn1.git
Creating working copy of package ‘swift-asn1’
Checking out 1.7.3 of package ‘swift-asn1’
Creating working copy of package ‘swift-subprocess’
Checking out 0.4.0 of package ‘swift-subprocess’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.8.2 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-system’
Checking out 1.8.1 of package ‘swift-system’
Creating working copy of package ‘swift-crypto’
Checking out 4.5.2 of package ‘swift-crypto’
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'fatalErrorResolve Package Graph
failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-26 18:41:32.706 xcodebuild[529:3024] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-26-09_18-41-0032.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'
  fatalError
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-26 18:41:34.135 xcodebuild[784:4446] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-26-09_18-41-0034.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/laosb/SwiftTailwind/releases/download/TailwindCSSCLI-v4.3.3-00553dd33b62f0dc34b48d2105da59800a1c209dd0db89bd213f6bcf26b276f2/tailwindcss.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'
  fatalError
BUILD FAILURE 6.4 macosXcodebuild