Swift Package Index

Build Information

Failed to build libpcache_Swift, reference 1.2.3 (c65dff), with Swift 6.1 for watchOS using Xcode 16.3 on 16 Jul 2026 21:02:10 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: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/RuiNelson/libpcache_Swift.git
Reference: 1.2.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/RuiNelson/libpcache_Swift
 * tag               1.2.3      -> FETCH_HEAD
HEAD is now at c65dff9 feat: update libpcache to 1.1.5 and document FIFO delete compaction cost
Submodule path 'Sources/CLibPCache/libpcache': checked out '7d52f8f841ed45283fd5842ab7530854ca2134f2'
Submodule path 'Sources/CLibPCache/xxhash': checked out 'e573d4d2aaeaba0f3e5a0a9a54144a1f2b4b56e7'
Submodule 'Sources/CLibPCache/libpcache' (https://github.com/RuiNelson/libpcache.git) registered for path 'Sources/CLibPCache/libpcache'
Submodule 'Sources/CLibPCache/xxhash' (https://github.com/Cyan4973/xxHash.git) registered for path 'Sources/CLibPCache/xxhash'
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/CLibPCache/libpcache'...
Cloning into '/Users/admin/builder/spi-builder-workspace/Sources/CLibPCache/xxhash'...
Cloned https://github.com/RuiNelson/libpcache_Swift.git
Revision (git rev-parse @):
c65dff94af40d1f0582061444b6a3f76b47b074a
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/RuiNelson/libpcache_Swift.git at 1.2.3
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/RuiNelson/libpcache_Swift.git
https://github.com/RuiNelson/libpcache_Swift.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
    /Applications/Xcode-16.3.0.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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-07-16 14:02:10.127 xcodebuild[526:2971] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-16-07_14-02-0010.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 6.1.0
Command line invocation:
    /Applications/Xcode-16.3.0.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 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-07-16 14:02:10.869 xcodebuild[536:3074] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-16-07_14-02-0010.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 6.1.0
BUILD FAILURE 6.1 watchOS