Build Information
Failed to build swift-iso-9899, reference main (f922fc), with Swift 6.0 for watchOS using Xcode 16.2 on 29 Apr 2026 16:59:13 UTC.
Build Command
No build command. This typically means the build failed at an early stage where we determine the build command.Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
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 f922fc3 metadata: add .github/metadata.yaml draft (#3)
Cloned https://github.com/swift-iso/swift-iso-9899.git
Revision (git rev-parse @):
f922fc368323dc505a34c3619a39ff6d2c177f2b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-iso/swift-iso-9899.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.0
Building package at path: $PWD
https://github.com/swift-iso/swift-iso-9899.git
Command line invocation:
/Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
Resolved source packages:
spi-builder-workspace: (null)
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
2026-04-29 09:59:10.568 xcodebuild[478:2772] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-04_09-59-0010.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 6.0.0
Command line invocation:
/Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.0.0
Resolved source packages:
spi-builder-workspace: (null)
2026-04-29 09:59:12.349 xcodebuild[538:3126] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-04_09-59-0012.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 6.0.0
BUILD FAILURE 6.0 watchOS