Build Information
Failed to build appattest-swift, reference main (df0d85), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 5 Oct 2026 12:05:05 UTC.
Build Command
No build command. This typically means the build failed at an early stage where we determine the build command.Build Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/zunda-pixel/appattest-swift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/zunda-pixel/appattest-swift
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at df0d85a Bump github.com/apple/swift-certificates from 1.20.0 to 1.21.0 (#82)
Cloned https://github.com/zunda-pixel/appattest-swift.git
Revision (git rev-parse @):
df0d85a46f091c4b0affb6d1ee1e9b4cfc75ad1e
SUCCESS checkout https://github.com/zunda-pixel/appattest-swift.git at main
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.1
Building package at path: $PWD
https://github.com/zunda-pixel/appattest-swift.git
https://github.com/zunda-pixel/appattest-swift.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)
2026-10-05 05:05:04.683 xcodebuild[504:2893] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-05-10_05-05-0004.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)
2026-10-05 05:05:05.479 xcodebuild[513:2981] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-05-10_05-05-0005.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 macosXcodebuild