Swift Package Index

Build Information

Failed to build swift-collections-differentiable, reference main (8f3d3c), with Swift 6.0 for watchOS using Xcode 16.2 on 19 Apr 2026 11:04:38 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/differentiable-swift/swift-collections-differentiable.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/differentiable-swift/swift-collections-differentiable
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8f3d3cb ci: remove Swift 6.1.3 add 6.3 and drop macOS 15 support
Cloned https://github.com/differentiable-swift/swift-collections-differentiable.git
Revision (git rev-parse @):
8f3d3cb46cc306236635cb42cd05adf51d227b9a
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/differentiable-swift/swift-collections-differentiable.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/differentiable-swift/swift-collections-differentiable.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 6.1.0 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 6.1.0 but the installed version is 6.0.0
2026-04-19 04:04:35.707 xcodebuild[478:2776] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-04_04-04-0035.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.1.0 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 6.1.0 but the installed version is 6.0.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-19 04:04:37.504 xcodebuild[536:3107] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-04_04-04-0037.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.1.0 but the installed version is 6.0.0
BUILD FAILURE 6.0 watchOS