Build Information
Failed to build swift-either, reference main (def6fe), with Swift 6.3 for iOS using Xcode 26.4 on 10 Nov 2026 12:21:13 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/swift-atoms/swift-either.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swift-atoms/swift-either
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at def6fec swift-format with the Institute configuration on files this session changed (coenttb/work#242)
Cloned https://github.com/swift-atoms/swift-either.git
Revision (git rev-parse @):
def6fec35e612e83dc39949b9f3ce25c3d3a421b
SUCCESS checkout https://github.com/swift-atoms/swift-either.git at main
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Build
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Selected platform: iOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/swift-atoms/swift-either.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)
2026-11-10 07:21:11.520 xcodebuild[542:3111] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-11_07-21-0011.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)
2026-11-10 07:21:13.031 xcodebuild[610:3629] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-10-11_07-21-0013.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 iOS