Build Information
Failed to build swift-subprocess, reference main (dbe21b), with Swift 6.3 for watchOS using Xcode 26.4 on 17 Oct 2026 19:40:48 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Subprocess -destination generic/platform=watchOSBuild Log
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RunAll
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Builder version: 5.1.3
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swiftlang/swift-subprocess.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/swiftlang/swift-subprocess
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at dbe21bd Build for armv7 Android in CI and fix the resulting build errors (#387)
Cloned https://github.com/swiftlang/swift-subprocess.git
Revision (git rev-parse @):
dbe21bd7dfd4ffef8c32588918542a8abfa1b54c
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftlang/swift-subprocess.git at main
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Build
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Selected platform: watchOS
Swift version: 6.3
Building package at path: $PWD
https://github.com/swiftlang/swift-subprocess.git
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/apple/swift-system
Creating working copy of package ‘swift-system’
Checking out 1.8.1 of package ‘swift-system’
Resolve Package Graph
Resolved source packages:
swift-subprocess: /Users/admin/builder/spi-builder-workspace
swift-system: https://github.com/apple/swift-system @ 1.8.1
resolved source packages: swift-subprocess, swift-system
2026-10-17 15:40:43.270 xcodebuild[542:3116] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Subprocess -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Subprocess -destination generic/platform=watchOS
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
swift-system: https://github.com/apple/swift-system @ 1.8.1
swift-subprocess: /Users/admin/builder/spi-builder-workspace
2026-10-17 15:40:46.186 xcodebuild[657:3976] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-10-17 15:40:46.264 xcodebuild[657:3976] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-17-10_15-40-0046.xcresult
xcodebuild: error: The workspace named "spi-builder-workspace" does not contain a scheme named "Subprocess". The "-list" option can be used to find the names of the schemes in the workspace.
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
swift-system: https://github.com/apple/swift-system @ 1.8.1
swift-subprocess: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-system, swift-subprocess
2026-10-17 15:40:47.143 xcodebuild[686:4148] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.5.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Subprocess -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-26.5.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme Subprocess -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
swift-system: https://github.com/apple/swift-system @ 1.8.1
swift-subprocess: /Users/admin/builder/spi-builder-workspace
2026-10-17 15:40:48.032 xcodebuild[692:4189] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-10-17 15:40:48.077 xcodebuild[692:4189] Writing error result bundle to /var/folders/xq/y_g06wb113726d38xsyx71_h0000gn/T/ResultBundle_2026-17-10_15-40-0048.xcresult
xcodebuild: error: The workspace named "spi-builder-workspace" does not contain a scheme named "Subprocess". The "-list" option can be used to find the names of the schemes in the workspace.
BUILD FAILURE 6.3 watchOS