Swift Package Index

Build Information

Failed to build ucf, reference 0.3.0 (c5bba8), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 22 Apr 2026 00:44:28 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: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/rarestype/ucf.git
Reference: 0.3.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/rarestype/ucf
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at c5bba8f Merge pull request #5 from rarestype/adopt-typed-throws-internally
Cloned https://github.com/rarestype/ucf.git
Revision (git rev-parse @):
c5bba8f1adda82761fad81d980e2578e29881cb1
SUCCESS checkout https://github.com/rarestype/ucf.git at 0.3.0
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/rarestype/ucf.git
https://github.com/rarestype/ucf.git
{
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      "sources" : [
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        "PercentEncoding/PercentEncodingSet.swift",
        "Rules/Fragments/URI.Fragment.EncodingSet.swift",
        "Rules/Fragments/URI.Fragment.swift",
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        "Rules/Fragments/URI.FragmentRule.swift",
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        "Rules/Paths/URI.PathComponentRule.UnencodedByte.swift",
        "Rules/Paths/URI.PathComponentRule.swift",
        "Rules/Paths/URI.PathElementRule.swift",
        "Rules/Paths/URI.PathSeparatorRule.swift",
        "Rules/Paths/URI.RelativePathRule.swift",
        "Rules/Queries/URI.QueryComponentRule.UnencodedByte.swift",
        "Rules/Queries/URI.QueryComponentRule.swift",
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        "Rules/Queries/URI.QueryRule.swift",
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      "sources" : [
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        "CodelinkLegacyDocC.swift",
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        "Codelinks/Grammar/UCF.DisambiguatorRule.Clause.AlphanumericCodepoint.swift",
        "Codelinks/Grammar/UCF.DisambiguatorRule.Clause.AlphanumericWord.swift",
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        "Codelinks/Grammar/UCF.DisambiguatorRule.Clauses.swift",
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        "Codelinks/Grammar/UCF.NominalPatternRule.PathComponent.swift",
        "Codelinks/Grammar/UCF.NominalPatternRule.swift",
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        "Codelinks/Grammar/UCF.SignaturePatternRule.swift",
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        "Codelinks/Grammar/UCF.TuplePatternRule.swift",
        "Codelinks/Grammar/UCF.TypeElement.swift",
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        "Codelinks/Grammar/UCF.TypeElementRule.PostfixOperator.swift",
        "Codelinks/Grammar/UCF.TypeElementRule.PostfixOperatorCodepoint.swift",
        "Codelinks/Grammar/UCF.TypeElementRule.swift",
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        "Codelinks/UCF.LegacyFilter.swift",
        "Codelinks/UCF.Selector.Base.swift",
        "Codelinks/UCF.Selector.Path.swift",
        "Codelinks/UCF.Selector.PathComponent.IdentifierHead.swift",
        "Codelinks/UCF.Selector.PathComponent.OperatorHead.swift",
        "Codelinks/UCF.Selector.PathComponent.swift",
        "Codelinks/UCF.Selector.Seal.swift",
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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/gram
Resolve Package Graph
Updating from https://github.com/ordo-one/dollup
Updating from https://github.com/rarestype/gram
Resolve Package Graph
Updating from https://github.com/rarestype/gram
Updating from https://github.com/ordo-one/dollup
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-21 17:44:27.020 xcodebuild[521:2944] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-21-04_17-44-0027.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/gram
Resolved source packages:
  spi-builder-workspace: (null)
2026-04-21 17:44:28.177 xcodebuild[752:4179] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-21-04_17-44-0028.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