Swift Package IndexBuild Information
Failed to build public-api-diff, reference main (4fb709), with Swift 6.1 for watchOS using Xcode 16.3 on 9 Sep 2026 10:10:27 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: 5.0.2
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/Adyen/adyen-swift-public-api-diff.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Adyen/adyen-swift-public-api-diff
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 4fb709e Update dependency nicklockwood/SwiftFormat to from: "0.62.1" (#181)
Cloned https://github.com/Adyen/adyen-swift-public-api-diff.git
Revision (git rev-parse @):
4fb709ea4174bd4c28f676fdc5a1e4e634d26044
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/Adyen/adyen-swift-public-api-diff.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/Adyen/adyen-swift-public-api-diff.git
https://github.com/Adyen/adyen-swift-public-api-diff.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/apple/swift-docc-plugin
Fetching from https://github.com/nicklockwood/SwiftFormat
Fetching from https://github.com/apple/swift-testing
Fetching from https://github.com/apple/swift-argument-parser (cached)
Fetching from https://github.com/swiftlang/swift-syntax (cached)
Resolve Package Graph
Updating from https://github.com/swiftlang/swift-syntax
Updating from https://github.com/apple/swift-argument-parser
Updating from https://github.com/apple/swift-docc-plugin
Updating from https://github.com/nicklockwood/SwiftFormat
Updating from https://github.com/apple/swift-testing
Resolved source packages:
spi-builder-workspace: (null)
2026-09-09 03:10:25.439 xcodebuild[527:2987] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-09_03-10-0025.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'swift-testing' >= 6.3.0 contains incompatible tools version (6.2.0) and root depends on 'swift-testing' 6.3.2.
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-syntax
Updating from https://github.com/apple/swift-docc-plugin
Updating from https://github.com/apple/swift-argument-parser
Updating from https://github.com/apple/swift-testing
Updating from https://github.com/nicklockwood/SwiftFormat
Resolved source packages:
spi-builder-workspace: (null)
2026-09-09 03:10:27.310 xcodebuild[821:4780] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-09_03-10-0027.xcresult
xcodebuild: error: Could not resolve package dependencies:
Failed to resolve dependencies Dependencies could not be resolved because 'swift-testing' >= 6.3.0 contains incompatible tools version (6.2.0) and root depends on 'swift-testing' 6.3.2.
BUILD FAILURE 6.1 watchOS