Swift Package Index

Build Information

Failed to build swift-png, reference 4.5.1 (8a0bcd), with Swift 6.0 for watchOS using Xcode 16.2 on 20 Mar 2026 03:06:01 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: 4.69.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/tayloraswift/swift-png.git
Reference: 4.5.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/tayloraswift/swift-png
 * tag               4.5.1      -> FETCH_HEAD
HEAD is now at 8a0bcd4 Merge pull request #93 from tayloraswift/android
Cloned https://github.com/tayloraswift/swift-png.git
Revision (git rev-parse @):
8a0bcd4df5e4b307c804937776a56dd6ecdf6396
SUCCESS checkout https://github.com/tayloraswift/swift-png.git at 4.5.1
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Build
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Selected platform:         watchOS
Swift version:             6.0
Building package at path:  $PWD
https://github.com/tayloraswift/swift-png.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
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)
2026-03-19 20:05:58.144 xcodebuild[507:3014] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-03_20-05-0058.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because root depends on 'dollup' 1.0.1..<2.0.0.
'dollup' >= 1.0.1 cannot be used because 'dollup' 1.0.1 contains incompatible tools version (6.2.0) and no versions of 'dollup' match the requirement 1.0.2..<2.0.0.
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
Updating from https://github.com/rarestype/h
Updating from https://github.com/ordo-one/dollup
Resolved source packages:
  spi-builder-workspace: (null)
2026-03-19 20:06:00.586 xcodebuild[664:4004] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-19-03_20-06-0000.xcresult
xcodebuild: error: Could not resolve package dependencies:
  Failed to resolve dependencies Dependencies could not be resolved because root depends on 'dollup' 1.0.1..<2.0.0.
'dollup' >= 1.0.1 cannot be used because 'dollup' 1.0.1 contains incompatible tools version (6.2.0) and no versions of 'dollup' match the requirement 1.0.2..<2.0.0.
BUILD FAILURE 6.0 watchOS