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Build Information

Failed to build SwiftAsyncStream, reference 2.1.4 (0916a5), with Swift 6.1 for iOS using Xcode 16.3 on 28 Aug 2026 20:46:08 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: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/o-nnerb/swift-async-stream.git
Reference: 2.1.4
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/o-nnerb/swift-async-stream
 * tag               2.1.4      -> FETCH_HEAD
HEAD is now at 0916a53 Make ConcurrentExecutionTrait's executor optional (#43)
Cloned https://github.com/o-nnerb/swift-async-stream.git
Revision (git rev-parse @):
0916a533e6edfaecf4d8e2a2cb61443ae5df73a8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/o-nnerb/swift-async-stream.git at 2.1.4
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Build
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Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/o-nnerb/swift-async-stream.git
https://github.com/o-nnerb/swift-async-stream.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-08-28 13:46:07.892 xcodebuild[506:2899] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-28-08_13-46-0007.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-08-28 13:46:08.612 xcodebuild[515:2980] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-28-08_13-46-0008.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 iOS