Swift Package Index

Build Information

Failed to build Swan, reference 0.1.1 (252a4b), with Swift 6.4 for macOS (Xcode) using Xcode 27.0 on 25 Sep 2026 13:30:38 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: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/adobe/swan.git
Reference: 0.1.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/adobe/swan
 * tag               0.1.1      -> FETCH_HEAD
HEAD is now at 252a4ba Update .gitignore to ignore local dawn
Cloned https://github.com/adobe/swan.git
Revision (git rev-parse @):
252a4baf860ba8671e9c41e21d78f522a7252cc3
SUCCESS checkout https://github.com/adobe/swan.git at 0.1.1
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.4
Building package at path:  $PWD
https://github.com/adobe/swan.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/swiftlang/swift-format.git
Fetching from https://github.com/apple/swift-argument-parser.git
Fetching from https://github.com/swiftlang/swift-syntax.git
Fetching from https://github.com/swiftwasm/JavaScriptKit.git
Fetching from https://github.com/apple/swift-markdown.git
Fetching from https://github.com/swiftlang/swift-cmark.git
Creating working copy of package ‘swift-markdown’
Checking out 0.9.0 of package ‘swift-markdown’
Creating working copy of package ‘swift-syntax’
Checking out 602.0.0 of package ‘swift-syntax’
Creating working copy of package ‘swift-format’
Checking out 602.0.0 of package ‘swift-format’
Creating working copy of package ‘JavaScriptKit’
Checking out 0.59.0 of package ‘JavaScriptKit’
Creating working copy of package ‘swift-argument-parser’
Checking out 1.8.2 of package ‘swift-argument-parser’
Creating working copy of package ‘swift-cmark’
Checking out 0.9.0 of package ‘swift-cmark’
failed retrieving 'https://github.com/adobe/swan/releases/download/dawn-chromium-stable-148.0.7778.97/dawn-chromium-stable-148.0.7778.97-release.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'fatalErrorResolve Package Graph
failed retrieving 'https://github.com/adobe/swan/releases/download/dawn-chromium-stable-148.0.7778.97/dawn-chromium-stable-148.0.7778.97-release.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-25 09:30:36.863 xcodebuild[530:3038] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-25-09_09-30-0036.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/adobe/swan/releases/download/dawn-chromium-stable-148.0.7778.97/dawn-chromium-stable-148.0.7778.97-release.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/adobe/swan/releases/download/dawn-chromium-stable-148.0.7778.97/dawn-chromium-stable-148.0.7778.97-release.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'fatalError
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-25 09:30:38.289 xcodebuild[823:4716] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-25-09_09-30-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
  failed retrieving 'https://github.com/adobe/swan/releases/download/dawn-chromium-stable-148.0.7778.97/dawn-chromium-stable-148.0.7778.97-release.artifactbundleindex': No supported archive was found for 'arm64-apple-macos26.6'
  fatalError
BUILD FAILURE 6.4 macosXcodebuild