Build Information
Failed to build EventSource, reference 1.3.0 (ca2a9d), with Swift 5.10 for watchOS using Xcode 15.4 on 31 Oct 2025 15:28:39 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: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/mattt/EventSource.git
Reference: 1.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mattt/EventSource
* tag 1.3.0 -> FETCH_HEAD
HEAD is now at ca2a9d9 Bump version to 1.3.0
Cloned https://github.com/mattt/EventSource.git
Revision (git rev-parse @):
ca2a9d90cbe49e09b92f4b6ebd922c03ebea51d0
SUCCESS checkout https://github.com/mattt/EventSource.git at 1.3.0
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Build
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Selected platform: watchOS
Swift version: 5.10
Building package at path: $PWD
https://github.com/mattt/EventSource.git
Command line invocation:
/Applications/Xcode-15.4.0.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 6.0.0 but the installed version is 5.10.0
Resolved source packages:
spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-10-31 11:28:36.478 xcodebuild[475:2548] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-31-10_11-28-0036.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
Command line invocation:
/Applications/Xcode-15.4.0.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 6.0.0 but the installed version is 5.10.0
Resolved source packages:
spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-10-31 11:28:38.277 xcodebuild[523:2817] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-31-10_11-28-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.0.0 but the installed version is 5.10.0
BUILD FAILURE 5.10 watchOS