Swift Package Index

Build Information

Failed to build LibPNG, reference main (575e1a), with Swift 6.2 for watchOS using Xcode 26.3 on 21 Sep 2026 05:34:50 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: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/EvgenijLutz/LibPNG.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/EvgenijLutz/LibPNG
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 575e1aa Update to Swift 6.4, use sized_by instead of counted_by for raw memory buffers
Cloned https://github.com/EvgenijLutz/LibPNG.git
Revision (git rev-parse @):
575e1aa26d73b385cf79a6d59a1d8a020c8613ae
SUCCESS checkout https://github.com/EvgenijLutz/LibPNG.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.2
Building package at path:  $PWD
https://github.com/EvgenijLutz/LibPNG.git
Command line invocation:
    /Applications/Xcode-26.3.0.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 6.4.0 but the installed version is 6.2.4
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-21 01:34:42.421 xcodebuild[538:3095] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-21 01:34:49.910 xcodebuild[538:3095] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-21 01:34:49.964 xcodebuild[538:3095] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-21-09_01-34-0049.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.2.4
Command line invocation:
    /Applications/Xcode-26.3.0.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 6.4.0 but the installed version is 6.2.4
Resolved source packages:
  spi-builder-workspace: (null)
2026-09-21 01:34:50.638 xcodebuild[600:3613] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-21 01:34:50.793 xcodebuild[600:3613] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-21 01:34:50.840 xcodebuild[600:3613] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-21-09_01-34-0050.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.4.0 but the installed version is 6.2.4
BUILD FAILURE 6.2 watchOS