Swift Package IndexBuild Information
Failed to build MetalUI, reference main (c2e31b), with Swift 6.4 for watchOS using Xcode 27.0 on 17 Sep 2026 19:32:01 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MetalUI -destination generic/platform=watchOSBuild Log
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/0xLet/MetalUI.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/0xLet/MetalUI
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at c2e31b7 Update README.md
Cloned https://github.com/0xLet/MetalUI.git
Revision (git rev-parse @):
c2e31b7828f9632a0393d4b6f2713067034a64be
SUCCESS checkout https://github.com/0xLet/MetalUI.git at main
========================================
Build
========================================
Selected platform: watchOS
Swift version: 6.4
Building package at path: $PWD
https://github.com/0xLet/MetalUI.git
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
MetalUI: /Users/admin/builder/spi-builder-workspace
resolved source packages: MetalUI
2026-09-17 15:31:17.241 xcodebuild[529:3036] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "MetalUI",
"name" : "MetalUI",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "MetalUI",
"targets" : [
"MetalUI"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MetalUITests",
"module_type" : "SwiftTarget",
"name" : "MetalUITests",
"path" : "Tests/MetalUITests",
"sources" : [
"MetalUITests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"MetalUI"
],
"type" : "test"
},
{
"c99name" : "MetalUI",
"module_type" : "SwiftTarget",
"name" : "MetalUI",
"path" : "Sources/MetalUI",
"product_memberships" : [
"MetalUI"
],
"sources" : [
"Data/MetalRenderingVertex.swift",
"MTKView/MetalPresenting.swift",
"MTKViewDelegate/MetalRendering.swift",
"SwiftUI/MetalView.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "MetalUI",
"schemes" : [
"MetalUI"
]
}
}
2026-09-17 15:31:53.181 xcodebuild[626:3954] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MetalUI -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 MetalUI -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
MetalUI: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
Target 'MetalUI-product' in project 'MetalUI'
➜ Explicit dependency on target 'MetalUI' in project 'MetalUI'
Target 'MetalUI' in project 'MetalUI' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 2830f163cb04ae43f1ee8c93a1d2226e
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/2830f163cb04ae43f1ee8c93a1d2226e.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.modulemap (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI_const_extract_protocols.json (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-OutputFileMap.json (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.SwiftConstValuesFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.SwiftFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.SwiftFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.LinkFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI_const_extract_protocols.json (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.SwiftConstValuesFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.LinkFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-OutputFileMap.json (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.DependencyStaticMetadataFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.DependencyMetadataFileList (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/MetalUI.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.modulemap (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace
builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/MetalUI.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
SwiftDriver MetalUI normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name MetalUI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: error: Unable to resolve module dependency: 'MetalKit' (in target 'MetalUI' from project 'MetalUI')
note: A dependency of main module 'MetalUI'
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: note: A dependency of main module 'MetalUI'
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
SwiftDriver MetalUI normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name MetalUI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64_32-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: error: Unable to resolve module dependency: 'MetalKit' (in target 'MetalUI' from project 'MetalUI')
note: A dependency of main module 'MetalUI'
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: note: A dependency of main module 'MetalUI'
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
2026-09-17 15:31:54.724 xcodebuild[627:4000] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftDriver MetalUI normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
SwiftDriver MetalUI normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
Building workspace MetalUI with scheme MetalUI
(3 failures)
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
MetalUI: /Users/admin/builder/spi-builder-workspace
resolved source packages: MetalUI
2026-09-17 15:31:58.423 xcodebuild[664:4457] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
"dependencies" : [
],
"manifest_display_name" : "MetalUI",
"name" : "MetalUI",
"path" : "/Users/admin/builder/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "13.0"
},
{
"name" : "macos",
"version" : "10.15"
}
],
"products" : [
{
"name" : "MetalUI",
"targets" : [
"MetalUI"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "MetalUITests",
"module_type" : "SwiftTarget",
"name" : "MetalUITests",
"path" : "Tests/MetalUITests",
"sources" : [
"MetalUITests.swift",
"XCTestManifests.swift"
],
"target_dependencies" : [
"MetalUI"
],
"type" : "test"
},
{
"c99name" : "MetalUI",
"module_type" : "SwiftTarget",
"name" : "MetalUI",
"path" : "Sources/MetalUI",
"product_memberships" : [
"MetalUI"
],
"sources" : [
"Data/MetalRenderingVertex.swift",
"MTKView/MetalPresenting.swift",
"MTKViewDelegate/MetalRendering.swift",
"SwiftUI/MetalView.swift"
],
"type" : "library"
}
],
"tools_version" : "5.3"
}
{
"workspace" : {
"name" : "MetalUI",
"schemes" : [
"MetalUI"
]
}
}
2026-09-17 15:31:59.675 xcodebuild[672:4514] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme MetalUI -destination generic/platform=watchOS
Command line invocation:
/Applications/Xcode-27.0.0-Release.Candidate.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 MetalUI -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
MetalUI: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
Target 'MetalUI-product' in project 'MetalUI'
➜ Explicit dependency on target 'MetalUI' in project 'MetalUI'
Target 'MetalUI' in project 'MetalUI' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
SwiftDriver MetalUI normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name MetalUI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64_32-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64_32/MetalUI-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: error: Unable to resolve module dependency: 'MetalKit' (in target 'MetalUI' from project 'MetalUI')
note: A dependency of main module 'MetalUI'
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: note: A dependency of main module 'MetalUI'
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
SwiftDriver MetalUI normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name MetalUI -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-OutputFileMap.json -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/MetalUI.build/Debug-watchos/MetalUI-t.build/Objects-normal/arm64/MetalUI-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: error: Unable to resolve module dependency: 'MetalKit' (in target 'MetalUI' from project 'MetalUI')
note: A dependency of main module 'MetalUI'
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/Data/MetalRenderingVertex.swift:1:8: note: A dependency of main module 'MetalUI'
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKView/MetalPresenting.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/MTKViewDelegate/MetalRendering.swift:1:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
/Users/admin/builder/spi-builder-workspace/Sources/MetalUI/SwiftUI/MetalView.swift:2:8: note: Also imported here
import MetalKit
^ (in target 'MetalUI' from project 'MetalUI')
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-17 15:32:00.717 xcodebuild[673:4540] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
SwiftDriver MetalUI normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
SwiftDriver MetalUI normal arm64 com.apple.xcode.tools.swift.compiler (in target 'MetalUI' from project 'MetalUI')
Building workspace MetalUI with scheme MetalUI
(3 failures)
BUILD FAILURE 6.4 watchOS