Swift Package Index

Build Information

Failed to build SwiftAsyncSerialQueue, reference 0.4.0 (596513), with Swift 6.1 for visionOS using Xcode 16.3 on 17 Jul 2026 19:34:02 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: 0.4.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dannys42/SwiftAsyncSerialQueue
 * tag               0.4.0      -> FETCH_HEAD
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 0.4.0
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Build
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Selected platform:         visionOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dannys42/SwiftAsyncSerialQueue.git
https://github.com/dannys42/SwiftAsyncSerialQueue.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.3.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
    /Applications/Xcode-16.3.0.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 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-07-17 12:34:01.394 xcodebuild[504:2901] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-17-07_12-34-0001.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 6.1.0
Command line invocation:
    /Applications/Xcode-16.3.0.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 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-07-17 12:34:02.103 xcodebuild[513:2984] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-17-07_12-34-0002.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 6.1.0
BUILD FAILURE 6.1 visionOS