Swift Package Index

Build Information

Failed to build UIViewKit, reference 1.15.0 (6b7882), with Swift 6.4 for visionOS using Xcode 27.0 on 23 Sep 2026 01:11:16 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 UIViewKit -destination generic/platform=xrOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Adobels/UIViewKit.git
Reference: 1.15.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Adobels/UIViewKit
 * tag               1.15.0     -> FETCH_HEAD
HEAD is now at 6b78826 Update package for App Store constraints, Swift 6, and minor fixes (#18)
Cloned https://github.com/Adobels/UIViewKit.git
Revision (git rev-parse @):
6b7882699c76d9e56f5c5b04edff1e8a785ca629
SUCCESS checkout https://github.com/Adobels/UIViewKit.git at 1.15.0
========================================
Build
========================================
Selected platform:         visionOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Adobels/UIViewKit.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:
  UIViewKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: UIViewKit
2026-09-22 21:10:31.742 xcodebuild[529:3054] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "UIViewKit",
  "name" : "UIViewKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "UIViewKit",
      "targets" : [
        "UIViewKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UIViewKitTests",
      "module_type" : "SwiftTarget",
      "name" : "UIViewKitTests",
      "path" : "Tests/UIViewKitTests",
      "sources" : [
        "ConstraintsBuilderTests.swift",
        "CreateMultipleViewsSimultaneouslyTests.swift",
        "DebugTests/UIViewDebugAllSubviewsTests.swift",
        "DebugTests/UIViewDebugShowFramesTests.swift",
        "FoundationExtensionsTests.swift",
        "HelloWorldViewTests.swift",
        "IBAttributesTests.swift",
        "IBConstraintsTests.swift",
        "IBOutletTests.swift",
        "IBSubviewsTests.swift",
        "NSLayoutConstraintTests.swift",
        "ProTests.swift",
        "StackViewTests.swift",
        "UIStackViewExtensionsTests.swift",
        "UIViewKitDevelopmentViews/HelloWordView.swift",
        "UIViewKitDevelopmentViews/UserTitleTimeDescriptionView/UserTitleTimeDescriptionView.swift",
        "UIViewKitDevelopmentViews/UserTitleTimeDescriptionView/UserTitleTimeDescriptionViewWithIBSubviews.swift",
        "UIViewKitDevelopmentViews/UserTitleTimeDescriptionView/UserTitleTimeDescriptionViewWithIBSubviewsWithSuperviewView.swift",
        "UIViewKitDevelopmentViews/ViewSubviewHasConstraintsToItsSuperviewN2.swift",
        "UserTitleTimeDescriptionViewTests/UserTitleTimeDescriptionViewTests.swift",
        "ViewBuilderTests.swift"
      ],
      "target_dependencies" : [
        "UIViewKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "UIViewKit",
      "module_type" : "SwiftTarget",
      "name" : "UIViewKit",
      "path" : "Sources/UIViewKit",
      "product_memberships" : [
        "UIViewKit"
      ],
      "sources" : [
        "FoundationExtensions/NSObjectProtocol+ibApply.swift",
        "IBConstraints/IBConstraints.swift",
        "IBDebug/IBDebug.swift",
        "IBMeasure/IBMeasure.swift",
        "IBPreviews/IBFreeForm.swift",
        "IBPreviews/IBPreviewSizeThatFits.swift",
        "IBPreviews/IBRepresentables.swift",
        "UIKitExtensions/UIStackView+Extensions.swift",
        "UIKitExtensions/UIView+Extensions.swift",
        "UIKitExtensions/UIViewController+Extensions.swift",
        "UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift",
        "UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift",
        "UIViewDSL/UIViewDSL+Engine.swift",
        "UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift",
        "UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift",
        "UIViewDSL/UIViewDSL+IBAttributes.swift",
        "UIViewDSL/UIViewDSL+IBOutlet.swift",
        "UIViewDSL/UIViewDSL+IBSubviews.swift",
        "UIViewDSL/UIViewDSL+NSLayoutConstraint.swift",
        "UIViewDSL/UIViewDSL.swift",
        "Views/IBContainerView.swift",
        "Views/IBHorizontalStack.swift",
        "Views/IBScrollView.swift",
        "Views/IBVerticalStack.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "UIViewKit",
    "schemes" : [
      "UIViewKit"
    ]
  }
}
2026-09-22 21:11:03.897 xcodebuild[626:3844] [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 UIViewKit -destination generic/platform=xrOS
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 UIViewKit -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  UIViewKit: /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 'UIViewKit-product' in project 'UIViewKit'
        ➜ Explicit dependency on target 'UIViewKit' in project 'UIViewKit'
    Target 'UIViewKit' in project 'UIViewKit' (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/XROS.platform/Developer/SDKs/XROS27.0.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: 969603dc0a9c1bff2cee9b402bdea4fe
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/969603dc0a9c1bff2cee9b402bdea4fe.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/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/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/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/XROS.platform/Developer/SDKs/XROS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.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/XROS.platform/Developer/SDKs/XROS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros
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-xros
    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-xros
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.DependencyMetadataFileList (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.DependencyStaticMetadataFileList (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.modulemap (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.SwiftConstValuesFileList (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-OutputFileMap.json (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit_const_extract_protocols.json (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.LinkFileList (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.SwiftFileList (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.SwiftFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros/UIViewKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.modulemap (in target 'UIViewKit' from project 'UIViewKit')
    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/UIViewKit.build/Debug-xros/UIViewKit-t.build/UIViewKit.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-xros
SwiftDriver UIViewKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'UIViewKit' from project 'UIViewKit')
    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 UIViewKit -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.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/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -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 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-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/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-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 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-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/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-98Y8DWD0HPCMRMDFKAEZCA81O.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdbool-1Q6BTYNEVHC9M74WL5O5GJ1ZM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stddef-2IE0R9M96I5XG0WY72N2UIQ8V.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftShims-2HAZ94YF1BA79JLFTAIV7APMW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/DeveloperToolsSupport-194HZPFNNCEHRVXIO6O8L9S0O.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrauth-9Q1PN7OTQZN7B0Z9D7V7Q8UB1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdarg-62NPPE4D8O3BNLU35D74TGLVQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_SwiftConcurrencyShims-9H7TQT237JM0VTD7TXCR6CNM9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_AvailabilityInternal-6BH9T8OE123ARKKFOJFR111NS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ShaderGraph-60HTPBNDVX0CX5JIAYFVTA9L4.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-1J8SO31WACP82RKV0LOTRKG39.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-AVZIQZ8HOAUXTT5CXVE5TNG7E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-599EXAY0E7DPK78D1JASUXYCQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-E0NXA4K8N3W3XTJG0EDH15WR2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdint-F1DLW8WMMSOC414RWOQWK8OS8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_tgmath-6A504NZTD9420A66PPDYUHISN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/sys_types-A3BBS6FJZK4C974FRQ5ZCTND7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/string_h-BGPLTZ4H9HACR813QKF6VS72D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_stdatomic-158FFQF46AB7DZCSEC3RCRTFC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation3-C1P0SZMW1CBYZ1956G2WPAGVQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_intrinsics-3111M8ALPD4YFW0NUUUBCM0JD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-9DU9NJC5HKVLIXJ97CZROETBU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-ET1KOXI5QIB2QZ81K0LJ5SCNP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/simd-7J2M7D2SOHYQ7IO8MYH2RXTKH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-7UYOWV2RO2CMEGURP3Y7WLPAT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/MachO-6F2CAO15JWU9TP0S5ZC6PL9IB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-A49MUZWNB60JKCX0NMFXESEZD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-1J3Q9ELSMX5271913GPIT75QV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Dispatch-7TDXDXPVVCZ0IQLPT2W4Z1AW3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Spatial-92H2FIVGSGXGN6Z0PM4QAD9U8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-1U8J3QOEPI1JREQTBJYCK4Z2Z.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/dnssd-3O0RNR51LL3EG0N1T07ZFMALS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-5D49BF05JAG3T79HLXZS0QOEB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os-7D3ZMGEZW9BBPJG5AFYWTJQLV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CFNetwork-8XNJAT23SK5D0OET9NV9X387I.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-4BDO3J0PXFNR7ZRKSDSXCO6IM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreAudioTypes-312R5U71UD8UC735GBX55K3US.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreGraphics-AY8OPKLJIGMHZ9MYROUT854WA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreAudio-BNVVZ0H6VD0B9Q2N4KZUSB6RB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-48S9SVOOX01R4NP8KF0LJG57Z.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ImageIO-IAKQMD68GVR7DW77YOHGK8X7.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreText-3Q9AYRR8Y0RMYX4VGST56EDCZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Symbols-ECOU17NNJUYRSDVSZI1SX0DNL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/UserNotifications-6JIY9EEYAYYTJITYYQZF42LAH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/LocalAuthentication-DY23D7R1X7DY7BV7FZ6NHSR9L.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Network-59OXS1WBU0E96MTVI1BQ4Y8O0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/IOSurface-2D5KLETWRIPRMLT8HCRTTINH3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/OSLog-3CTW8AFBZNTJNTYU2CNXR306R.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/UIUtilities-F3U0HSZMZSXCP772P753OT1G5.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreData-5V8622D8G59RJKITQSAST89GC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/DataDetection-7LQD8Z3LW2FUEO4CR6TGECXW0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_LocationEssentials-32JNDL0Y7WK6X17R1HPKJCQEE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/UniformTypeIdentifiers-9BPZRHV9PRGRSU35W243D89CW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreMIDI-3PXS069A7G7J69W6C2O4U64TR.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreTransferable-EFMTSDPFE8WPPM5HOZ47P0KQO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreLocation-E62WUNIY48I4BO5WNB3SVVIP8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/FileProvider-C1CJK6EJC5IUBTWZU8FS47OM3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Accessibility-8QB8DU95K5GFNCPAUIMZLHBIU.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/OpenGLES-CKJ9EEPIRPNP44Q12R6YOKS1E.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Metal-CAKGHYH5ACDACD017V00QOQC9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/AVRouting-A58BUG9HB1NCTPD2PCCO84ARM.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreMotion-DCVNRIJ2COFK7QG37YNW48EGV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/AudioToolbox-BIB990ZQT6Y2YX7R0HKENKU6T.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreVideo-4PK3Q849TG28PPFW9ON3UC1O9.pcm
SwiftExplicitDependencyCompileModuleFromInterface arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ShaderGraph-URHKVVOFZL5Z.swiftmodule
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/QuartzCore-6ZHUATRF8P4D51R22KZF8F6EG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreImage-9GN6OPXIJ356C54K347I7T417.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ARKitFoundation-BT979VLYXKXTC443T81YQQEY1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreML-C2BW2527PDNODK16LJ9I668C8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreMedia-X23SRPCPJE6SQFHHHYCZ7WVC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUICore-374BUSM2QWS9MQO694AHOADDT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/UIKit-1PV3XTOUQPUVY5I4MLPUAXR9J.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/MediaToolbox-ANHHEHPC85W3ECWTCJ308UFOE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Vision-3I7AR38LZFB22SF4LQC7Q6KA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/VideoToolbox-3P3B69YG5JT8YUFOCSUNDM59.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/AVFAudio-7A6YZTGYW2RLZD9E99CP5838N.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/AVFoundation-81FTBCX2AZLM90X977V6F8213.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ARKitCore-3XTE32VQMIOYU5QR9S293LZS1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUI-C448PJ9D4ZYA5OED1YDWBD562.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/GameController-X9URPRY7QBKI12E33T2Y28WV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ARKit-DR3A0F7OE5VAP1U4QICI8GJ1B.pcm
SwiftEmitModule normal arm64 Emitting\ module\ for\ UIViewKit (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift:79:21: error: protocol 'SnapFrame' refines itself
 77 | extension IBFreeForm {
 78 |
 79 |     public protocol SnapFrame where Self: SnapFrame {
    |                     `- error: protocol 'SnapFrame' refines itself
 80 |         var size: CGSize { get }
 81 |         var title: String { get }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/FoundationExtensions/NSObjectProtocol+ibApply.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBConstraints/IBConstraints.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBDebug/IBDebug.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBMeasure/IBMeasure.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBPreviewSizeThatFits.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBRepresentables.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIStackView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIViewController+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+Engine.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBAttributes.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBOutlet.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBSubviews.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+NSLayoutConstraint.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBContainerView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBHorizontalStack.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBScrollView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBVerticalStack.swift -target arm64-apple-xros1.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name UIViewKit -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-xros27.0 -target-sdk-version 27.0 -target-sdk-name xros27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.abi.json
SwiftCompile normal arm64 Compiling\ IBScrollView.swift,\ IBVerticalStack.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBScrollView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBVerticalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBScrollView.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBScrollView.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBVerticalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBVerticalStack.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+NSLayoutConstraint.swift,\ UIViewDSL.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+NSLayoutConstraint.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+NSLayoutConstraint.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+NSLayoutConstraint.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+IBOutlet.swift,\ UIViewDSL+IBSubviews.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBOutlet.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBSubviews.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBOutlet.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBOutlet.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBSubviews.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBSubviews.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+Engine.swift,\ UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+Engine.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+Engine.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+Engine.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift
SwiftCompile normal arm64 Compiling\ UIViewController+Extensions.swift,\ UIViewDSL+EngineConstraintsProtocol.swift,\ UIViewDSL+InferredAttributesOwnerStrategy.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIViewController+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIViewController+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewController+Extensions.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+EngineConstraintsProtocol.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+InferredAttributesOwnerStrategy.swift
SwiftCompile normal arm64 Compiling\ IBRepresentables.swift,\ UIStackView+Extensions.swift,\ UIView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBRepresentables.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIStackView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIView+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBRepresentables.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBRepresentables.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIStackView+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIStackView+Extensions.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIView+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIView+Extensions.swift
SwiftCompile normal arm64 Compiling\ IBContainerView.swift,\ IBHorizontalStack.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBContainerView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBHorizontalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBContainerView.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBContainerView.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBHorizontalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBHorizontalStack.swift
SwiftCompile normal arm64 Compiling\ IBMeasure.swift,\ IBFreeForm.swift,\ IBPreviewSizeThatFits.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBMeasure/IBMeasure.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBPreviewSizeThatFits.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBMeasure/IBMeasure.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBMeasure.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBFreeForm.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBPreviewSizeThatFits.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBPreviewSizeThatFits.swift
SwiftCompile normal arm64 Compiling\ NSObjectProtocol+ibApply.swift,\ IBConstraints.swift,\ IBDebug.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/FoundationExtensions/NSObjectProtocol+ibApply.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBConstraints/IBConstraints.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBDebug/IBDebug.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/FoundationExtensions/NSObjectProtocol+ibApply.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile NSObjectProtocol+ibApply.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBConstraints/IBConstraints.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBConstraints.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBDebug/IBDebug.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBDebug.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+IBArrayOfUIViewBuilder.swift,\ UIViewDSL+IBAttributes.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBAttributes.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBArrayOfUIViewBuilder.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBAttributes.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBAttributes.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-22 21:11:05.492 xcodebuild[627:3888] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 (in target 'UIViewKit' from project 'UIViewKit')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ UIViewKit (in target 'UIViewKit' from project 'UIViewKit')
	Building workspace UIViewKit with scheme UIViewKit
(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:
  UIViewKit: /Users/admin/builder/spi-builder-workspace
resolved source packages: UIViewKit
2026-09-22 21:11:13.487 xcodebuild[764:4528] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "UIViewKit",
  "name" : "UIViewKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "UIViewKit",
      "targets" : [
        "UIViewKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "UIViewKitTests",
      "module_type" : "SwiftTarget",
      "name" : "UIViewKitTests",
      "path" : "Tests/UIViewKitTests",
      "sources" : [
        "ConstraintsBuilderTests.swift",
        "CreateMultipleViewsSimultaneouslyTests.swift",
        "DebugTests/UIViewDebugAllSubviewsTests.swift",
        "DebugTests/UIViewDebugShowFramesTests.swift",
        "FoundationExtensionsTests.swift",
        "HelloWorldViewTests.swift",
        "IBAttributesTests.swift",
        "IBConstraintsTests.swift",
        "IBOutletTests.swift",
        "IBSubviewsTests.swift",
        "NSLayoutConstraintTests.swift",
        "ProTests.swift",
        "StackViewTests.swift",
        "UIStackViewExtensionsTests.swift",
        "UIViewKitDevelopmentViews/HelloWordView.swift",
        "UIViewKitDevelopmentViews/UserTitleTimeDescriptionView/UserTitleTimeDescriptionView.swift",
        "UIViewKitDevelopmentViews/UserTitleTimeDescriptionView/UserTitleTimeDescriptionViewWithIBSubviews.swift",
        "UIViewKitDevelopmentViews/UserTitleTimeDescriptionView/UserTitleTimeDescriptionViewWithIBSubviewsWithSuperviewView.swift",
        "UIViewKitDevelopmentViews/ViewSubviewHasConstraintsToItsSuperviewN2.swift",
        "UserTitleTimeDescriptionViewTests/UserTitleTimeDescriptionViewTests.swift",
        "ViewBuilderTests.swift"
      ],
      "target_dependencies" : [
        "UIViewKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "UIViewKit",
      "module_type" : "SwiftTarget",
      "name" : "UIViewKit",
      "path" : "Sources/UIViewKit",
      "product_memberships" : [
        "UIViewKit"
      ],
      "sources" : [
        "FoundationExtensions/NSObjectProtocol+ibApply.swift",
        "IBConstraints/IBConstraints.swift",
        "IBDebug/IBDebug.swift",
        "IBMeasure/IBMeasure.swift",
        "IBPreviews/IBFreeForm.swift",
        "IBPreviews/IBPreviewSizeThatFits.swift",
        "IBPreviews/IBRepresentables.swift",
        "UIKitExtensions/UIStackView+Extensions.swift",
        "UIKitExtensions/UIView+Extensions.swift",
        "UIKitExtensions/UIViewController+Extensions.swift",
        "UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift",
        "UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift",
        "UIViewDSL/UIViewDSL+Engine.swift",
        "UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift",
        "UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift",
        "UIViewDSL/UIViewDSL+IBAttributes.swift",
        "UIViewDSL/UIViewDSL+IBOutlet.swift",
        "UIViewDSL/UIViewDSL+IBSubviews.swift",
        "UIViewDSL/UIViewDSL+NSLayoutConstraint.swift",
        "UIViewDSL/UIViewDSL.swift",
        "Views/IBContainerView.swift",
        "Views/IBHorizontalStack.swift",
        "Views/IBScrollView.swift",
        "Views/IBVerticalStack.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
{
  "workspace" : {
    "name" : "UIViewKit",
    "schemes" : [
      "UIViewKit"
    ]
  }
}
2026-09-22 21:11:14.733 xcodebuild[772:4591] [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 UIViewKit -destination generic/platform=xrOS
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 UIViewKit -destination generic/platform=xrOS
Resolve Package Graph
Resolved source packages:
  UIViewKit: /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 'UIViewKit-product' in project 'UIViewKit'
        ➜ Explicit dependency on target 'UIViewKit' in project 'UIViewKit'
    Target 'UIViewKit' in project 'UIViewKit' (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/XROS.platform/Developer/SDKs/XROS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.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/XROS.platform/Developer/SDKs/XROS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache
SwiftDriver UIViewKit normal arm64 com.apple.xcode.tools.swift.compiler (in target 'UIViewKit' from project 'UIViewKit')
    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 UIViewKit -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.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/XROS.platform/Developer/SDKs/XROS27.0.sdk -target arm64-apple-xros1.0 -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 6 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-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/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-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 -package-name spi_builder_workspace -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-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/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ IBMeasure.swift,\ IBFreeForm.swift,\ IBPreviewSizeThatFits.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBMeasure/IBMeasure.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBPreviewSizeThatFits.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBMeasure/IBMeasure.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBMeasure.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBFreeForm.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBPreviewSizeThatFits.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBPreviewSizeThatFits.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+IBArrayOfUIViewBuilder.swift,\ UIViewDSL+IBAttributes.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBAttributes.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBArrayOfUIViewBuilder.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBAttributes.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBAttributes.swift
SwiftCompile normal arm64 Compiling\ IBRepresentables.swift,\ UIStackView+Extensions.swift,\ UIView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBRepresentables.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIStackView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIView+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBRepresentables.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBRepresentables.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIStackView+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIStackView+Extensions.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIView+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIView+Extensions.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+IBOutlet.swift,\ UIViewDSL+IBSubviews.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBOutlet.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBSubviews.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBOutlet.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBOutlet.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBSubviews.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBSubviews.swift
SwiftCompile normal arm64 Compiling\ IBContainerView.swift,\ IBHorizontalStack.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBContainerView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBHorizontalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBContainerView.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBContainerView.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBHorizontalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBHorizontalStack.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+NSLayoutConstraint.swift,\ UIViewDSL.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+NSLayoutConstraint.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+NSLayoutConstraint.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+NSLayoutConstraint.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL.swift
SwiftCompile normal arm64 Compiling\ UIViewDSL+Engine.swift,\ UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+Engine.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+Engine.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+Engine.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift
SwiftCompile normal arm64 Compiling\ UIViewController+Extensions.swift,\ UIViewDSL+EngineConstraintsProtocol.swift,\ UIViewDSL+InferredAttributesOwnerStrategy.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIViewController+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIViewController+Extensions.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewController+Extensions.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+EngineConstraintsProtocol.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile UIViewDSL+InferredAttributesOwnerStrategy.swift
SwiftCompile normal arm64 Compiling\ NSObjectProtocol+ibApply.swift,\ IBConstraints.swift,\ IBDebug.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/FoundationExtensions/NSObjectProtocol+ibApply.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBConstraints/IBConstraints.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBDebug/IBDebug.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/FoundationExtensions/NSObjectProtocol+ibApply.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile NSObjectProtocol+ibApply.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBConstraints/IBConstraints.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBConstraints.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBDebug/IBDebug.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBDebug.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ UIViewKit (in target 'UIViewKit' from project 'UIViewKit')
/Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift:79:21: error: protocol 'SnapFrame' refines itself
 77 | extension IBFreeForm {
 78 |
 79 |     public protocol SnapFrame where Self: SnapFrame {
    |                     `- error: protocol 'SnapFrame' refines itself
 80 |         var size: CGSize { get }
 81 |         var title: String { get }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/FoundationExtensions/NSObjectProtocol+ibApply.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBConstraints/IBConstraints.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBDebug/IBDebug.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBMeasure/IBMeasure.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBFreeForm.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBPreviewSizeThatFits.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/IBPreviews/IBRepresentables.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIStackView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIView+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIKitExtensions/UIViewController+Extensions.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+EngineConstraintsProtocol.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/AutoresizingStrategy/UIViewDSL+InferredAttributesOwnerStrategy.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+Engine.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfNSLayoutConstraintBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBArrayOfUIViewBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBAttributes.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBOutlet.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+IBSubviews.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL+NSLayoutConstraint.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/UIViewDSL/UIViewDSL.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBContainerView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBHorizontalStack.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBScrollView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBVerticalStack.swift -target arm64-apple-xros1.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/XROS.platform/Developer/SDKs/XROS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -profile-generate -profile-coverage-mapping -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/xros27.0-24M361-e829b21a6f8c9b70876ba0858053c044735bd543db762f57723cac368afd1ce4.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-xros/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name UIViewKit -package-name spi_builder_workspace -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-xros27.0 -target-sdk-version 27.0 -target-sdk-name xros27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit-primary-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/UIViewKit.build/Debug-xros/UIViewKit-t.build/Objects-normal/arm64/UIViewKit.abi.json
SwiftCompile normal arm64 (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ IBScrollView.swift,\ IBVerticalStack.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBScrollView.swift /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBVerticalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBScrollView.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBScrollView.swift
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/UIViewKit/Views/IBVerticalStack.swift (in target 'UIViewKit' from project 'UIViewKit')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile IBVerticalStack.swift
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
2026-09-22 21:11:15.737 xcodebuild[773:4619] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ UIViewKit (in target 'UIViewKit' from project 'UIViewKit')
	SwiftCompile normal arm64 (in target 'UIViewKit' from project 'UIViewKit')
	Building workspace UIViewKit with scheme UIViewKit
(3 failures)
BUILD FAILURE 6.4 visionOS