Swift Package IndexBuild Information
Failed to build swift-markdown-ui, reference main (485909), with Swift 6.1 for visionOS using Xcode 16.3 on 13 Oct 2026 20:35:07 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: 5.1.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/modern-swift-dev/swift-markdown-ui.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/modern-swift-dev/swift-markdown-ui
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 4859090 chore: track docs/agents in git
Cloned https://github.com/modern-swift-dev/swift-markdown-ui.git
Revision (git rev-parse @):
4859090fa812f8d2c22edef99be7d9d4c8aa6e2b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/modern-swift-dev/swift-markdown-ui.git at main
========================================
Build
========================================
Selected platform: visionOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/modern-swift-dev/swift-markdown-ui.git
https://github.com/modern-swift-dev/swift-markdown-ui.git
{
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"Platform/AppKit/AppKitMarkdownTextViewTests.swift",
"Platform/MarkdownTaskCheckboxLayerTests.swift",
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"Session/MarkdownEditingSessionTests.swift",
"Session/MarkdownProjectionSpliceTests.swift",
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"Session/MarkdownTableInsertionTests.swift",
"Snapshots/MarkdownTextViewSnapshotTests.swift",
"SwiftUI/MarkdownEditorListBindingTests.swift",
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"SwiftUI/MarkdownEditorSwiftUITests.swift",
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{
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"Model/MarkdownDocument.swift",
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"Platform/MarkdownTaskCheckboxLayer.swift",
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"Projection/MarkdownSemanticAttributes.swift",
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"Projection/ProjectionUnit.swift",
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"Session/MarkdownEditingSession.swift",
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{
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"Views/Blocks/ParagraphView.swift",
"Views/Blocks/TableBackgroundView.swift",
"Views/Blocks/TableBorderSelector.swift",
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"Views/Blocks/TableBounds.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/swiftlang/swift-cmark
Fetching from https://github.com/modern-swift-dev/swift-snapshot-testing
Fetching from https://github.com/swiftlang/swift-docc-plugin (cached)
Fetching from https://github.com/swiftlang/swift-docc-symbolkit (cached)
Resolve Package Graph
Updating from https://github.com/swiftlang/swift-cmark
Updating from https://github.com/modern-swift-dev/swift-snapshot-testing
Updating from https://github.com/swiftlang/swift-docc-plugin
Updating from https://github.com/swiftlang/swift-docc-symbolkit
Resolve Package Graph
Updating from https://github.com/swiftlang/swift-cmark
Updating from https://github.com/swiftlang/swift-docc-plugin
Updating from https://github.com/modern-swift-dev/swift-snapshot-testing
Updating from https://github.com/swiftlang/swift-docc-symbolkit
Resolved source packages:
spi-builder-workspace: (null)
2026-10-13 13:35:04.450 xcodebuild[529:3007] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-13-10_13-35-0004.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'swift-snapshot-testing' >= 2.0.0 contains incompatible tools version (6.2.0) and root depends on 'swift-snapshot-testing' 2.2.0..<3.0.0.
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/swiftlang/swift-docc-plugin
Updating from https://github.com/swiftlang/swift-cmark
Updating from https://github.com/modern-swift-dev/swift-snapshot-testing
Updating from https://github.com/swiftlang/swift-docc-symbolkit
Resolved source packages:
spi-builder-workspace: (null)
2026-10-13 13:35:07.049 xcodebuild[836:4548] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-13-10_13-35-0007.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'swift-snapshot-testing' >= 2.0.0 contains incompatible tools version (6.2.0) and root depends on 'swift-snapshot-testing' 2.2.0..<3.0.0.
BUILD FAILURE 6.1 visionOS