Swift Package Index

Build Information

Failed to build SwiftAsyncSerialQueue, reference main (596513), with Swift 6.2 for macOS (Xcode) using Xcode 26.3 on 17 Jul 2026 19:29:24 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: undefined version: run 'make version' to update
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/dannys42/SwiftAsyncSerialQueue.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dannys42/SwiftAsyncSerialQueue
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5965134 github: pin to macos-26 for now
Cloned https://github.com/dannys42/SwiftAsyncSerialQueue.git
Revision (git rev-parse @):
5965134872bc16a25170f348901020dc2e6e7aef
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/dannys42/SwiftAsyncSerialQueue.git at main
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Build
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Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/dannys42/SwiftAsyncSerialQueue.git
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
Resolved source packages:
  spi-builder-workspace: (null)
2026-07-17 15:29:23.855 xcodebuild[572:3141] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-17-07_15-29-0023.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
Command line invocation:
    /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
Resolved source packages:
  spi-builder-workspace: (null)
2026-07-17 15:29:24.755 xcodebuild[634:3672] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-17-07_15-29-0024.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.2.4
BUILD FAILURE 6.2 macosXcodebuild