Swift Package Index

Build Information

Failed to build ucf, reference 0.3.0 (c5bba8), with Swift 6.0 for watchOS using Xcode 16.2 on 22 Apr 2026 00:53:30 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/rarestype/ucf.git
Reference: 0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rarestype/ucf
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at c5bba8f Merge pull request #5 from rarestype/adopt-typed-throws-internally
Cloned https://github.com/rarestype/ucf.git
Revision (git rev-parse @):
c5bba8f1adda82761fad81d980e2578e29881cb1
SUCCESS checkout https://github.com/rarestype/ucf.git at 0.3.0
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Build
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Selected platform:         watchOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/rarestype/ucf.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
Fetching from https://github.com/ordo-one/dollup
Fetching from https://github.com/rarestype/gram
Resolve Package Graph
Updating from https://github.com/rarestype/gram
Updating from https://github.com/ordo-one/dollup
Resolved source packages:
  spi-builder-workspace: (null)
Resolve Package Graph
Updating from https://github.com/rarestype/gram
Updating from https://github.com/ordo-one/dollup
2026-04-21 17:53:27.010 xcodebuild[478:2765] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-21-04_17-53-0027.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
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
Updating from https://github.com/rarestype/gram
Updating from https://github.com/ordo-one/dollup
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-21 17:53:29.402 xcodebuild[638:3678] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-21-04_17-53-0029.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because 'dollup' contains incompatible tools version (6.2.0) and root depends on 'dollup' 1.0.1..<2.0.0.
BUILD FAILURE 6.0 watchOS