Build Information
Failed to build swift-iso-9899, reference main (5b1516), with Swift 6.3 for macOS (Xcode) using Xcode 26.4 on 3 Oct 2026 00:49:36 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: 5.1.1
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swift-iso/swift-iso-9899.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-iso/swift-iso-9899
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 5b1516e Spell the Error module's type with a module selector
Cloned https://github.com/swift-iso/swift-iso-9899.git
Revision (git rev-parse @):
5b1516eacc1f320c5a6437c124cc47ad0d17f888
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-iso/swift-iso-9899.git at main
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Build
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Selected platform: macosXcodebuild
Swift version: 6.3
Building package at path: $PWD
https://github.com/swift-iso/swift-iso-9899.git
Command line invocation:
/Applications/Xcode-26.5.0.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 6.3.2
Resolved source packages:
spi-builder-workspace: (null)
2026-10-02 20:49:34.932 xcodebuild[574:3146] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-02-10_20-49-0034.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 6.3.2
Command line invocation:
/Applications/Xcode-26.5.0.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 6.3.2
Resolved source packages:
spi-builder-workspace: (null)
2026-10-02 20:49:36.555 xcodebuild[642:3658] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-02-10_20-49-0036.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 6.3.2
BUILD FAILURE 6.3 macosXcodebuild