Build Information
Failed to build appattest-swift, reference 0.4.0 (fb7c32), with Swift 6.1 for iOS using Xcode 16.3 on 16 Sep 2026 01:14:35 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: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/zunda-pixel/appattest-swift.git
Reference: 0.4.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/zunda-pixel/appattest-swift
* tag 0.4.0 -> FETCH_HEAD
HEAD is now at fb7c322 Support iOS 27 App Attest authenticator extensions (#81)
Cloned https://github.com/zunda-pixel/appattest-swift.git
Revision (git rev-parse @):
fb7c32298cd5b5e9d2b05e5ac0a52686b94af966
SUCCESS checkout https://github.com/zunda-pixel/appattest-swift.git at 0.4.0
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Build
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Selected platform: iOS
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)
2026-09-15 18:14:35.027 xcodebuild[503:2891] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-15-09_18-14-0035.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)
2026-09-15 18:14:35.727 xcodebuild[512:2972] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-15-09_18-14-0035.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 iOS