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Build Information

Failed to build StableCollectionViewLayout, reference 1.0.3 (3f6c45), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 25 Jun 2026 08:48:39 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StableCollectionViewLayout -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/aimalygin/StableCollectionViewLayout.git
Reference: 1.0.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/aimalygin/StableCollectionViewLayout
 * tag               1.0.3      -> FETCH_HEAD
HEAD is now at 3f6c45a Add Codex's ideas for fixing high firing crash we've had for a long time.
Cloned https://github.com/aimalygin/StableCollectionViewLayout.git
Revision (git rev-parse @):
3f6c45a43ab11a15d1daaff0c4997e56188960d6
SUCCESS checkout https://github.com/aimalygin/StableCollectionViewLayout.git at 1.0.3
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/aimalygin/StableCollectionViewLayout.git
https://github.com/aimalygin/StableCollectionViewLayout.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StableCollectionViewLayout",
  "name" : "StableCollectionViewLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "StableCollectionViewLayout",
      "targets" : [
        "StableCollectionViewLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StableCollectionViewLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayoutTests",
      "path" : "StableCollectionViewLayoutTests",
      "sources" : [
        "CollectionViewUpdateItemTests.swift",
        "DeleteAttributesFinderTests.swift",
        "InsertAttributesFinderTests.swift",
        "Mock/CollectionViewDataProviderMock.swift",
        "Mock/LayoutAttributesProviderMock.swift",
        "Mock/VisibleIndexesStateControllerMock.swift",
        "OffsetControllerTests.swift",
        "VisibleIndexesStateControllerTests.swift",
        "VisibleIndexesStateTests.swift"
      ],
      "target_dependencies" : [
        "StableCollectionViewLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StableCollectionViewLayout",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayout",
      "path" : "StableCollectionViewLayout",
      "product_memberships" : [
        "StableCollectionViewLayout"
      ],
      "sources" : [
        "Sources/CollectionViewDataProvider.swift",
        "Sources/CollectionViewUpdateItem.swift",
        "Sources/IndexPath+Extension.swift",
        "Sources/LayoutAttributesProvider.swift",
        "Sources/OffsetController/OffsetController+Extension.swift",
        "Sources/OffsetController/OffsetController.swift",
        "Sources/OffsetController/OffsetControllerImpl.swift",
        "Sources/StableCollectionViewFlowLayout.swift",
        "Sources/StableCollectionViewLayout.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesState.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StableCollectionViewLayout",
  "name" : "StableCollectionViewLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "StableCollectionViewLayout",
      "targets" : [
        "StableCollectionViewLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StableCollectionViewLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayoutTests",
      "path" : "StableCollectionViewLayoutTests",
      "sources" : [
        "CollectionViewUpdateItemTests.swift",
        "DeleteAttributesFinderTests.swift",
        "InsertAttributesFinderTests.swift",
        "Mock/CollectionViewDataProviderMock.swift",
        "Mock/LayoutAttributesProviderMock.swift",
        "Mock/VisibleIndexesStateControllerMock.swift",
        "OffsetControllerTests.swift",
        "VisibleIndexesStateControllerTests.swift",
        "VisibleIndexesStateTests.swift"
      ],
      "target_dependencies" : [
        "StableCollectionViewLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StableCollectionViewLayout",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayout",
      "path" : "StableCollectionViewLayout",
      "product_memberships" : [
        "StableCollectionViewLayout"
      ],
      "sources" : [
        "Sources/CollectionViewDataProvider.swift",
        "Sources/CollectionViewUpdateItem.swift",
        "Sources/IndexPath+Extension.swift",
        "Sources/LayoutAttributesProvider.swift",
        "Sources/OffsetController/OffsetController+Extension.swift",
        "Sources/OffsetController/OffsetController.swift",
        "Sources/OffsetController/OffsetControllerImpl.swift",
        "Sources/StableCollectionViewFlowLayout.swift",
        "Sources/StableCollectionViewLayout.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesState.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "StableCollectionViewLayout",
    "schemes" : [
      "Example",
      "StableCollectionViewLayout",
      "StableCollectionViewLayoutTests"
    ],
    "targets" : [
      "StableCollectionViewLayout",
      "StableCollectionViewLayoutTests",
      "Example"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "StableCollectionViewLayout"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StableCollectionViewLayout -destination platform=macOS,arch=arm64 OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme StableCollectionViewLayout -destination platform=macOS,arch=arm64 "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  StableCollectionViewLayout: /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 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
        ➜ Explicit dependency on target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
    Target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 3fdc1a2a329a1f312904ba8927b08dd3
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/3fdc1a2a329a1f312904ba8927b08dd3.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
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
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    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
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyMetadataFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyStaticMetadataFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-OutputFileMap.json (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.LinkFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftConstValuesFileList (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/StableCollectionViewLayout.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/StableCollectionViewLayout.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver StableCollectionViewLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name StableCollectionViewLayout -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -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 -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ IndexPath+Extension.swift,\ LayoutAttributesProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/IndexPath+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/IndexPath+Extension.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ OffsetController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ OffsetControllerImpl.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ OffsetController+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ CollectionViewDataProvider.swift,\ CollectionViewUpdateItem.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewDataProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewDataProvider.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ StableCollectionViewFlowLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ VisibleIndexesState.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesState.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesState.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ StableCollectionViewLayout (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
Failed frontend command:
/Applications/Xcode-16.3.0.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/StableCollectionViewLayout/Sources/CollectionViewDataProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/IndexPath+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesState.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -stats-output-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode/.stats -Onone -D SWIFT_PACKAGE -D DEBUG -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -enable-experimental-feature DebugDescriptionMacro -strict-concurrency\=complete -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name StableCollectionViewLayout -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.abi.json
EmitSwiftModule normal arm64 (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
import UIKit
       ^
SwiftCompile normal arm64 Compiling\ StableCollectionViewLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ VisibleIndexesStateControllerImpl.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ VisibleIndexesStateController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
Command SwiftCompile failed with a nonzero exit code
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ StableCollectionViewLayout (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	EmitSwiftModule normal arm64 (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	SwiftCompile normal arm64 Compiling\ VisibleIndexesStateController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	Building workspace spi-builder-workspace with scheme StableCollectionViewLayout
(4 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  StableCollectionViewLayout: /Users/admin/builder/spi-builder-workspace
resolved source packages: StableCollectionViewLayout
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StableCollectionViewLayout",
  "name" : "StableCollectionViewLayout",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "StableCollectionViewLayout",
      "targets" : [
        "StableCollectionViewLayout"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StableCollectionViewLayoutTests",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayoutTests",
      "path" : "StableCollectionViewLayoutTests",
      "sources" : [
        "CollectionViewUpdateItemTests.swift",
        "DeleteAttributesFinderTests.swift",
        "InsertAttributesFinderTests.swift",
        "Mock/CollectionViewDataProviderMock.swift",
        "Mock/LayoutAttributesProviderMock.swift",
        "Mock/VisibleIndexesStateControllerMock.swift",
        "OffsetControllerTests.swift",
        "VisibleIndexesStateControllerTests.swift",
        "VisibleIndexesStateTests.swift"
      ],
      "target_dependencies" : [
        "StableCollectionViewLayout"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StableCollectionViewLayout",
      "module_type" : "SwiftTarget",
      "name" : "StableCollectionViewLayout",
      "path" : "StableCollectionViewLayout",
      "product_memberships" : [
        "StableCollectionViewLayout"
      ],
      "sources" : [
        "Sources/CollectionViewDataProvider.swift",
        "Sources/CollectionViewUpdateItem.swift",
        "Sources/IndexPath+Extension.swift",
        "Sources/LayoutAttributesProvider.swift",
        "Sources/OffsetController/OffsetController+Extension.swift",
        "Sources/OffsetController/OffsetController.swift",
        "Sources/OffsetController/OffsetControllerImpl.swift",
        "Sources/StableCollectionViewFlowLayout.swift",
        "Sources/StableCollectionViewLayout.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesState.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift",
        "Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "StableCollectionViewLayout"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme StableCollectionViewLayout -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme StableCollectionViewLayout -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  StableCollectionViewLayout: /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 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
        ➜ Explicit dependency on target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout'
    Target 'StableCollectionViewLayout' in project 'StableCollectionViewLayout' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 09d946d8f394460c87bcfa11ba78c643
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/09d946d8f394460c87bcfa11ba78c643.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
SwiftDriver StableCollectionViewLayout normal arm64 com.apple.xcode.tools.swift.compiler (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name StableCollectionViewLayout -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -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 -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.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/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ OffsetController+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ OffsetControllerImpl.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ CollectionViewDataProvider.swift,\ CollectionViewUpdateItem.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewDataProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewDataProvider.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ OffsetController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ IndexPath+Extension.swift,\ LayoutAttributesProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/IndexPath+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/IndexPath+Extension.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ StableCollectionViewFlowLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ VisibleIndexesStateController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ VisibleIndexesStateControllerImpl.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ StableCollectionViewLayout (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
Failed frontend command:
/Applications/Xcode-16.3.0.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/StableCollectionViewLayout/Sources/CollectionViewDataProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/IndexPath+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/LayoutAttributesProvider.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController+Extension.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/OffsetController/OffsetControllerImpl.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewFlowLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesState.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateController.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesStateControllerImpl.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name StableCollectionViewLayout -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/StableCollectionViewLayout.build/Debug/StableCollectionViewLayout.build/Objects-normal/arm64/StableCollectionViewLayout.abi.json
EmitSwiftModule normal arm64 (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/CollectionViewUpdateItem.swift:9:8: error: no such module 'UIKit'
import UIKit
       ^
SwiftCompile normal arm64 Compiling\ VisibleIndexesState.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesState.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/VisibleIndexesStateController/VisibleIndexesState.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ StableCollectionViewLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
Command SwiftCompile failed with a nonzero exit code
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:3678c7a802501fa94c470d9f64bd6a9c7d1927ce, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ StableCollectionViewLayout (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	EmitSwiftModule normal arm64 (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	SwiftCompile normal arm64 Compiling\ StableCollectionViewLayout.swift /Users/admin/builder/spi-builder-workspace/StableCollectionViewLayout/Sources/StableCollectionViewLayout.swift (in target 'StableCollectionViewLayout' from project 'StableCollectionViewLayout')
	Building workspace spi-builder-workspace with scheme StableCollectionViewLayout
(4 failures)
BUILD FAILURE 6.1 macosXcodebuild