Build Information
Failed to build git-kit, reference main (d66feb), with Swift 6.1 for watchOS using Xcode 16.3 on 27 Aug 2026 22:26:48 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme git-kit -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 5.0.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/BinaryBirds/git-kit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/BinaryBirds/git-kit
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at d66feb5 Migrate from ShellKit to swift-subprocess; make the API async-only (#24)
Cloned https://github.com/BinaryBirds/git-kit.git
Revision (git rev-parse @):
d66feb5f4fba84d191c167f8a45f5e0650976511
SUCCESS checkout https://github.com/BinaryBirds/git-kit.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.1
Building package at path: $PWD
https://github.com/BinaryBirds/git-kit.git
https://github.com/BinaryBirds/git-kit.git
{
"dependencies" : [
{
"identity" : "swift-subprocess",
"requirement" : {
"range" : [
{
"lower_bound" : "0.4.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swiftlang/swift-subprocess.git"
}
],
"manifest_display_name" : "git-kit",
"name" : "git-kit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
}
],
"products" : [
{
"name" : "GitKit",
"targets" : [
"GitKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "GitKitTests",
"module_type" : "SwiftTarget",
"name" : "GitKitTests",
"path" : "Tests/GitKitTests",
"sources" : [
"GitKitTests.swift"
],
"target_dependencies" : [
"GitKit"
],
"type" : "test"
},
{
"c99name" : "GitKit",
"module_type" : "SwiftTarget",
"name" : "GitKit",
"path" : "Sources/GitKit",
"product_dependencies" : [
"Subprocess"
],
"product_memberships" : [
"GitKit"
],
"sources" : [
"Git.swift"
],
"type" : "library"
}
],
"tools_version" : "6.1"
}
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-subprocess.git
Fetching from https://github.com/apple/swift-system (cached)
Creating working copy of package ‘swift-system’
Checking out 1.8.1 of package ‘swift-system’
Creating working copy of package ‘swift-subprocess’
Checking out 0.4.0 of package ‘swift-subprocess’
Resolve Package Graph
Resolved source packages:
git-kit: /Users/admin/builder/spi-builder-workspace
Subprocess: https://github.com/swiftlang/swift-subprocess.git @ 0.4.0
swift-system: https://github.com/apple/swift-system @ 1.8.1
resolved source packages: git-kit, Subprocess, swift-system
{
"dependencies" : [
{
"identity" : "swift-subprocess",
"requirement" : {
"range" : [
{
"lower_bound" : "0.4.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swiftlang/swift-subprocess.git"
}
],
"manifest_display_name" : "git-kit",
"name" : "git-kit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
}
],
"products" : [
{
"name" : "GitKit",
"targets" : [
"GitKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "GitKitTests",
"module_type" : "SwiftTarget",
"name" : "GitKitTests",
"path" : "Tests/GitKitTests",
"sources" : [
"GitKitTests.swift"
],
"target_dependencies" : [
"GitKit"
],
"type" : "test"
},
{
"c99name" : "GitKit",
"module_type" : "SwiftTarget",
"name" : "GitKit",
"path" : "Sources/GitKit",
"product_dependencies" : [
"Subprocess"
],
"product_memberships" : [
"GitKit"
],
"sources" : [
"Git.swift"
],
"type" : "library"
}
],
"tools_version" : "6.1"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"git-kit"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme git-kit -destination generic/platform=watchOS OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
/Applications/Xcode-16.3.0.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 git-kit -destination generic/platform=watchOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
git-kit: /Users/admin/builder/spi-builder-workspace
swift-system: https://github.com/apple/swift-system @ 1.8.1
Subprocess: https://github.com/swiftlang/swift-subprocess.git @ 0.4.0
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (8 targets)
Target 'GitKit' in project 'git-kit'
➜ Explicit dependency on target 'GitKit' in project 'git-kit'
➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
Target 'GitKit' in project 'git-kit'
➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
Target 'Subprocess' in project 'Subprocess'
➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'Subprocess' in project 'Subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'CSystem' in project 'swift-system' (no dependencies)
Target '_SubprocessCShims' in project 'Subprocess' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
Build description signature: 5af8211f51080f70722cc18602f124eb
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/5af8211f51080f70722cc18602f124eb.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 11.4 for the watchOS platform, but this target supports 5.0 (in target 'GitKit' from project 'git-kit')
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme git-kit
(1 failure)
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
Resolved source packages:
swift-system: https://github.com/apple/swift-system @ 1.8.1
Subprocess: https://github.com/swiftlang/swift-subprocess.git @ 0.4.0
git-kit: /Users/admin/builder/spi-builder-workspace
resolved source packages: swift-system, Subprocess, git-kit
{
"dependencies" : [
{
"identity" : "swift-subprocess",
"requirement" : {
"range" : [
{
"lower_bound" : "0.4.0",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/swiftlang/swift-subprocess.git"
}
],
"manifest_display_name" : "git-kit",
"name" : "git-kit",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "macos",
"version" : "13.0"
}
],
"products" : [
{
"name" : "GitKit",
"targets" : [
"GitKit"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "GitKitTests",
"module_type" : "SwiftTarget",
"name" : "GitKitTests",
"path" : "Tests/GitKitTests",
"sources" : [
"GitKitTests.swift"
],
"target_dependencies" : [
"GitKit"
],
"type" : "test"
},
{
"c99name" : "GitKit",
"module_type" : "SwiftTarget",
"name" : "GitKit",
"path" : "Sources/GitKit",
"product_dependencies" : [
"Subprocess"
],
"product_memberships" : [
"GitKit"
],
"sources" : [
"Git.swift"
],
"type" : "library"
}
],
"tools_version" : "6.1"
}
{
"workspace" : {
"name" : "spi-builder-workspace",
"schemes" : [
"git-kit"
]
}
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme git-kit -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-16.3.0.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 git-kit -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
swift-system: https://github.com/apple/swift-system @ 1.8.1
Subprocess: https://github.com/swiftlang/swift-subprocess.git @ 0.4.0
git-kit: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (8 targets)
Target 'GitKit' in project 'git-kit'
➜ Explicit dependency on target 'GitKit' in project 'git-kit'
➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
Target 'GitKit' in project 'git-kit'
➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
Target 'Subprocess' in project 'Subprocess'
➜ Explicit dependency on target 'Subprocess' in project 'Subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'Subprocess' in project 'Subprocess'
➜ Explicit dependency on target '_SubprocessCShims' in project 'Subprocess'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'SystemPackage' in project 'swift-system'
➜ Explicit dependency on target 'CSystem' in project 'swift-system'
Target 'CSystem' in project 'swift-system' (no dependencies)
Target '_SubprocessCShims' in project 'Subprocess' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch armv7k -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64_32 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -x c -c /dev/null
Build description signature: 6640fc20553a125a54afd496ff656acf
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/6640fc20553a125a54afd496ff656acf.xcbuilddata
error: The package product 'Subprocess' requires minimum platform version 11.4 for the watchOS platform, but this target supports 5.0 (in target 'GitKit' from project 'git-kit')
** BUILD FAILED **
The following build commands failed:
Building workspace spi-builder-workspace with scheme git-kit
(1 failure)
BUILD FAILURE 6.1 watchOS