Build Information
Failed to build swift-temporal-sdk, reference main (620f1a), with Swift 6.0 for watchOS using Xcode 16.2 on 27 Apr 2026 19:22:00 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: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-temporal-sdk.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-temporal-sdk
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 620f1a9 Update README.md
Submodule path 'dependencies/sdk-core': checked out 'db65dd9a451846dee281b1fe8687c52a83c389a6'
Submodule 'dependencies/sdk-core' (https://github.com/temporalio/sdk-core.git) registered for path 'dependencies/sdk-core'
Cloning into '/Users/admin/builder/spi-builder-workspace/dependencies/sdk-core'...
Cloned https://github.com/apple/swift-temporal-sdk.git
Revision (git rev-parse @):
620f1a937447af58b760891c480547d85d466cd0
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-temporal-sdk.git at main
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Build
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Selected platform: watchOS
Swift version: 6.0
Building package at path: $PWD
https://github.com/apple/swift-temporal-sdk.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
2026-04-27 12:21:57.088 xcodebuild[489:2812] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-27-04_12-21-0057.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)
2026-04-27 12:21:59.210 xcodebuild[555:3195] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-27-04_12-21-0059.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