Swift Package Index

Build Information

Failed to build SwiftAsyncStream, reference 3.0.1 (e97828), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 3 Nov 2026 01:27:34 UTC.

Build Command

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

Build Log

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RunAll
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Builder version: 5.1.4
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: 3.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/o-nnerb/swift-async-stream
 * tag               3.0.1      -> FETCH_HEAD
HEAD is now at e97828e Raise watchOS deployment target to 9 (#45)
Cloned https://github.com/o-nnerb/swift-async-stream.git
Revision (git rev-parse @):
e97828eb629b8aec419791cbfe367d4d7d8ba97d
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/o-nnerb/swift-async-stream.git at 3.0.1
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Build
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Selected platform:         macosXcodebuild
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 6.4.0 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 6.4.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-11-02 17:27:33.455 xcodebuild[505:2899] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-11_17-27-0033.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.4.0 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 6.4.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-11-02 17:27:34.165 xcodebuild[516:3019] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-02-11_17-27-0034.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 macosXcodebuild