Build Information
Failed to build foundation-models-utilities, reference 1.1.0 (6c5a04), with Swift 6.1 for watchOS using Xcode 16.3 on 5 Nov 2026 07:25:01 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/apple/foundation-models-utilities.git
Reference: 1.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/foundation-models-utilities
* tag 1.1.0 -> FETCH_HEAD
HEAD is now at 6c5a04c Fix four doc/skill inaccuracies found in 1.1.0-beta1
Cloned https://github.com/apple/foundation-models-utilities.git
Revision (git rev-parse @):
6c5a04c917b244f5b312d50cff305a8d3316d818
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/foundation-models-utilities.git at 1.1.0
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Build
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Selected platform: watchOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/apple/foundation-models-utilities.git
https://github.com/apple/foundation-models-utilities.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-11-04 23:25:00.529 xcodebuild[504:2882] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-04-11_23-25-0000.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
spi-builder-workspace: (null)
2026-11-04 23:25:01.290 xcodebuild[514:2976] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-04-11_23-25-0001.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 watchOS