Swift Package IndexBuild Information
Failed to build swift-png, reference master (63675c), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 30 Apr 2026 06:03:34 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
========================================
Clone URL: https://github.com/tayloraswift/swift-png.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tayloraswift/swift-png
* branch master -> FETCH_HEAD
* [new branch] master -> origin/master
HEAD is now at 63675c8 [autosync]
Cloned https://github.com/tayloraswift/swift-png.git
Revision (git rev-parse @):
63675c8cbe771121644f93c14791c18f755cc05a
SUCCESS checkout https://github.com/tayloraswift/swift-png.git at master
========================================
Build
========================================
Selected platform: macosXcodebuild
Swift version: 6.1
Building package at path: $PWD
https://github.com/tayloraswift/swift-png.git
https://github.com/tayloraswift/swift-png.git
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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
Fetching from https://github.com/ordo-one/dollup
Fetching from https://github.com/rarestype/h
Resolve Package Graph
Updating from https://github.com/rarestype/h
Updating from https://github.com/ordo-one/dollup
Resolve Package Graph
Updating from https://github.com/rarestype/h
Updating from https://github.com/ordo-one/dollup
Resolved source packages:
spi-builder-workspace: (null)
2026-04-29 23:03:33.118 xcodebuild[520:2987] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-04_23-03-0033.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-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Updating from https://github.com/ordo-one/dollup
Updating from https://github.com/rarestype/h
Resolved source packages:
spi-builder-workspace: (null)
2026-04-29 23:03:34.391 xcodebuild[755:4236] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-29-04_23-03-0034.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 6.1 macosXcodebuild