Swift Package Index

Build Information

Failed to build swift-temporal-sdk, reference 1.5.0 (4625ee), with Swift 6.1 for watchOS using Xcode 16.3 on 28 Oct 2026 19:15:08 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: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/apple/swift-temporal-sdk.git
Reference: 1.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/apple/swift-temporal-sdk
 * tag               1.5.0      -> FETCH_HEAD
HEAD is now at 4625ee2 Migrate tests to upstream InMemoryLogHandler from swift-log (#203)
Submodule path 'dependencies/sdk-core': checked out '6e90e6d55ef31d82fff94280276e56b70fa384fe'
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 @):
4625ee27ee5dcd6498290a8a10610897daf543b8
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/apple/swift-temporal-sdk.git at 1.5.0
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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/swift-temporal-sdk.git
https://github.com/apple/swift-temporal-sdk.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)
2026-10-28 12:15:07.440 xcodebuild[517:2963] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-28-10_12-15-0007.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)
2026-10-28 12:15:08.351 xcodebuild[536:3103] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-28-10_12-15-0008.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