Build Information
Failed to build ReerJSON, reference main (db9721), with Swift 6.3 for watchOS using Xcode 26.4 on 29 Sep 2026 23:16:38 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: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/reers/ReerJSON.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/reers/ReerJSON
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at db97217 chore: bump version to 1.2.1
Cloned https://github.com/reers/ReerJSON.git
Revision (git rev-parse @):
db972175173aeb3b83c256534499c63ad8cfe720
SUCCESS checkout https://github.com/reers/ReerJSON.git at main
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Build
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Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/reers/ReerJSON.git
Command line invocation:
/Applications/Xcode-26.5.0.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 6.4.0 but the installed version is 6.3.2
Resolved source packages:
spi-builder-workspace: (null)
2026-09-29 19:16:36.244 xcodebuild[541:3135] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-29 19:16:36.340 xcodebuild[541:3135] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-29 19:16:37.158 xcodebuild[541:3135] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-29-09_19-16-0037.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.3.2
Command line invocation:
/Applications/Xcode-26.5.0.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 6.4.0 but the installed version is 6.3.2
Resolved source packages:
spi-builder-workspace: (null)
2026-09-29 19:16:37.941 xcodebuild[606:3635] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-29 19:16:38.046 xcodebuild[606:3635] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-29 19:16:38.623 xcodebuild[606:3635] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-29-09_19-16-0038.xcresult
xcodebuild: error: Could not resolve package dependencies:
package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.3.2
BUILD FAILURE 6.3 watchOS