Build Information
Failed to build AsyncCombine, reference main (dfad85), with Swift 5.10 for macOS (Xcode) using Xcode 15.4 on 21 Oct 2025 06:15:12 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: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/will-lumley/AsyncCombine.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/will-lumley/AsyncCombine
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at dfad85c Merge pull request #1 from will-lumley/feature/unit-tests
Cloned https://github.com/will-lumley/AsyncCombine.git
Revision (git rev-parse @):
dfad85c7a59d0e9a775bdfd03519f05a61d9d9cf
SUCCESS checkout https://github.com/will-lumley/AsyncCombine.git at main
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 5.10
Building package at path: $PWD
https://github.com/will-lumley/AsyncCombine.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 6.2.0 but the installed version is 5.10.0
Resolved source packages:
spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-10-21 02:15:09.995 xcodebuild[483:2655] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-21-10_02-15-0009.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 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 6.2.0 but the installed version is 5.10.0
Resolved source packages:
spi-builder-workspace: /Users/admin/builder/spi-builder-workspace
2025-10-21 02:15:11.766 xcodebuild[532:2980] Writing error result bundle to /var/folders/fs/0w3t9t1d28xc3bj0tgb8hcrw0000gn/T/ResultBundle_2025-21-10_02-15-0011.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 5.10.0
BUILD FAILURE 5.10 macosXcodebuild