Build Information
Failed to build Quiver, reference 0.0.1 (4ff7dd), with Swift 6.0 for watchOS using Xcode 16.2 on 9 Feb 2026 19:08:00 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: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/hironichu/Quiver.git
Reference: 0.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/hironichu/Quiver
* tag 0.0.1 -> FETCH_HEAD
HEAD is now at 4ff7ddb fix webtransport session lifecycle handling
Cloned https://github.com/hironichu/Quiver.git
Revision (git rev-parse @):
4ff7ddb2d852dbbce0766d2abd88e7ba36a0f7e5
SUCCESS checkout https://github.com/hironichu/Quiver.git at 0.0.1
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Build
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Selected platform: watchOS
Swift version: 6.0
Building package at path: $PWD
https://github.com/hironichu/Quiver.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
2026-02-09 11:07:57.450 xcodebuild[510:3007] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-02_11-07-0057.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)
2026-02-09 11:07:59.348 xcodebuild[579:3395] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-02_11-07-0059.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