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Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build CombineDataSources, reference 0.2.5 (362795), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 25 Apr 2025 21:14:56 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/CombineCommunity/CombineDataSources.git
Reference: 0.2.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/CombineCommunity/CombineDataSources
 * tag               0.2.5      -> FETCH_HEAD
HEAD is now at 362795e Merge pull request #8 from icanzilb/master
Cloned https://github.com/CombineCommunity/CombineDataSources.git
Revision (git rev-parse @):
362795e0336f2c1637036f692a3b5d05806302b4
SUCCESS checkout https://github.com/CombineCommunity/CombineDataSources.git at 0.2.5
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/CombineCommunity/CombineDataSources.git
https://github.com/CombineCommunity/CombineDataSources.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CombineDataSources",
  "name" : "CombineDataSources",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "CombineDataSources",
      "targets" : [
        "CombineDataSources"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CombineDataSourcesTests",
      "module_type" : "SwiftTarget",
      "name" : "CombineDataSourcesTests",
      "path" : "Tests/CombineDataSourcesTests",
      "sources" : [
        "BatchesDataSource/BatchesDataSourceTests.swift",
        "CollectionView/CollectionViewItemsControllerTests.swift",
        "CollectionView/UICollectionView+SubscribersTests.swift",
        "MemoryManagementTests.swift",
        "TableView/TableViewBatchesControllerTests.swift",
        "TableView/TableViewItemsControllerTests.swift",
        "TableView/UITableView+SubscribersTests.swift",
        "data/TestFixtures.swift"
      ],
      "target_dependencies" : [
        "CombineDataSources"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CombineDataSources",
      "module_type" : "SwiftTarget",
      "name" : "CombineDataSources",
      "path" : "Sources/CombineDataSources",
      "product_memberships" : [
        "CombineDataSources"
      ],
      "sources" : [
        "BatchesDataSource/BatchesDataSource.swift",
        "CollectionView/CollectionViewItemsController.swift",
        "CollectionView/UICollectionView+Subscribers.swift",
        "TableView/TableViewBatchesController.swift",
        "TableView/TableViewItemsController.swift",
        "TableView/UITableView+Subscribers.swift",
        "etc/Publisher+Bind.swift",
        "etc/Section.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  CombineDataSources: /Users/admin/builder/spi-builder-workspace
resolved source packages: CombineDataSources
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CombineDataSources",
  "name" : "CombineDataSources",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "CombineDataSources",
      "targets" : [
        "CombineDataSources"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CombineDataSourcesTests",
      "module_type" : "SwiftTarget",
      "name" : "CombineDataSourcesTests",
      "path" : "Tests/CombineDataSourcesTests",
      "sources" : [
        "BatchesDataSource/BatchesDataSourceTests.swift",
        "CollectionView/CollectionViewItemsControllerTests.swift",
        "CollectionView/UICollectionView+SubscribersTests.swift",
        "MemoryManagementTests.swift",
        "TableView/TableViewBatchesControllerTests.swift",
        "TableView/TableViewItemsControllerTests.swift",
        "TableView/UITableView+SubscribersTests.swift",
        "data/TestFixtures.swift"
      ],
      "target_dependencies" : [
        "CombineDataSources"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CombineDataSources",
      "module_type" : "SwiftTarget",
      "name" : "CombineDataSources",
      "path" : "Sources/CombineDataSources",
      "product_memberships" : [
        "CombineDataSources"
      ],
      "sources" : [
        "BatchesDataSource/BatchesDataSource.swift",
        "CollectionView/CollectionViewItemsController.swift",
        "CollectionView/UICollectionView+Subscribers.swift",
        "TableView/TableViewBatchesController.swift",
        "TableView/TableViewItemsController.swift",
        "TableView/UITableView+Subscribers.swift",
        "etc/Publisher+Bind.swift",
        "etc/Section.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CombineDataSources"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CombineDataSources -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 CombineDataSources -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:
  CombineDataSources: /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 'CombineDataSources' in project 'CombineDataSources'
        ➜ Explicit dependency on target 'CombineDataSources' in project 'CombineDataSources'
    Target 'CombineDataSources' in project 'CombineDataSources' (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: ff54256a018867b447a6ec97a430347b
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ff54256a018867b447a6ec97a430347b.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/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
    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/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/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.DependencyMetadataFileList (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.DependencyStaticMetadataFileList (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.modulemap (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.LinkFileList (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-OutputFileMap.json (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.SwiftConstValuesFileList (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources_const_extract_protocols.json (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.SwiftFileList (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.SwiftFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/CombineDataSources.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.modulemap (in target 'CombineDataSources' from project 'CombineDataSources')
    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/CombineDataSources.build/Debug/CombineDataSources.build/CombineDataSources.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver CombineDataSources normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CombineDataSources' from project 'CombineDataSources')
    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 CombineDataSources -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources_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/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ UITableView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/UITableView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/UITableView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ CombineDataSources (in target 'CombineDataSources' from project 'CombineDataSources')
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/Sources/CombineDataSources/BatchesDataSource/BatchesDataSource.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/CollectionViewItemsController.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/UICollectionView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/TableViewBatchesController.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/TableViewItemsController.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/UITableView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Publisher+Bind.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Section.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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources_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/CombineDataSources.build/Debug/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CombineDataSources -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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.abi.json
EmitSwiftModule normal arm64 (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/CollectionViewItemsController.swift:6:8: error: no such module 'UIKit'
import UIKit
       ^
SwiftCompile normal arm64 Compiling\ UICollectionView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/UICollectionView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/UICollectionView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Publisher+Bind.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Publisher+Bind.swift (in target 'CombineDataSources' from project 'CombineDataSources')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Publisher+Bind.swift (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ CombineDataSources (in target 'CombineDataSources' from project 'CombineDataSources')
	EmitSwiftModule normal arm64 (in target 'CombineDataSources' from project 'CombineDataSources')
	Building workspace spi-builder-workspace with scheme CombineDataSources
(3 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:
  CombineDataSources: /Users/admin/builder/spi-builder-workspace
resolved source packages: CombineDataSources
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CombineDataSources",
  "name" : "CombineDataSources",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "CombineDataSources",
      "targets" : [
        "CombineDataSources"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CombineDataSourcesTests",
      "module_type" : "SwiftTarget",
      "name" : "CombineDataSourcesTests",
      "path" : "Tests/CombineDataSourcesTests",
      "sources" : [
        "BatchesDataSource/BatchesDataSourceTests.swift",
        "CollectionView/CollectionViewItemsControllerTests.swift",
        "CollectionView/UICollectionView+SubscribersTests.swift",
        "MemoryManagementTests.swift",
        "TableView/TableViewBatchesControllerTests.swift",
        "TableView/TableViewItemsControllerTests.swift",
        "TableView/UITableView+SubscribersTests.swift",
        "data/TestFixtures.swift"
      ],
      "target_dependencies" : [
        "CombineDataSources"
      ],
      "type" : "test"
    },
    {
      "c99name" : "CombineDataSources",
      "module_type" : "SwiftTarget",
      "name" : "CombineDataSources",
      "path" : "Sources/CombineDataSources",
      "product_memberships" : [
        "CombineDataSources"
      ],
      "sources" : [
        "BatchesDataSource/BatchesDataSource.swift",
        "CollectionView/CollectionViewItemsController.swift",
        "CollectionView/UICollectionView+Subscribers.swift",
        "TableView/TableViewBatchesController.swift",
        "TableView/TableViewItemsController.swift",
        "TableView/UITableView+Subscribers.swift",
        "etc/Publisher+Bind.swift",
        "etc/Section.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CombineDataSources"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme CombineDataSources -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 CombineDataSources -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  CombineDataSources: /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 'CombineDataSources' in project 'CombineDataSources'
        ➜ Explicit dependency on target 'CombineDataSources' in project 'CombineDataSources'
    Target 'CombineDataSources' in project 'CombineDataSources' (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: d1f38af282810fc22195c38ee28e6cbe
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/d1f38af282810fc22195c38ee28e6cbe.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 CombineDataSources normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CombineDataSources' from project 'CombineDataSources')
    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 CombineDataSources -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources_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/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ BatchesDataSource.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/BatchesDataSource/BatchesDataSource.swift (in target 'CombineDataSources' from project 'CombineDataSources')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/BatchesDataSource/BatchesDataSource.swift (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal arm64 Compiling\ UICollectionView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/UICollectionView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/UICollectionView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

SwiftCompile normal arm64 Compiling\ Publisher+Bind.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Publisher+Bind.swift (in target 'CombineDataSources' from project 'CombineDataSources')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Publisher+Bind.swift (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ UITableView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/UITableView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/UITableView+Subscribers.swift (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ CombineDataSources (in target 'CombineDataSources' from project 'CombineDataSources')
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/Sources/CombineDataSources/BatchesDataSource/BatchesDataSource.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/CollectionViewItemsController.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/UICollectionView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/TableViewBatchesController.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/TableViewItemsController.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/TableView/UITableView+Subscribers.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Publisher+Bind.swift /Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/etc/Section.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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources_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/CombineDataSources.build/Debug/CombineDataSources.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/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CombineDataSources -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/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CombineDataSources.build/Debug/CombineDataSources.build/Objects-normal/arm64/CombineDataSources.abi.json
EmitSwiftModule normal arm64 (in target 'CombineDataSources' from project 'CombineDataSources')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/CombineDataSources/CollectionView/CollectionViewItemsController.swift:6:8: error: no such module 'UIKit'
import UIKit
       ^
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:db736573cb66babc6ea29f1488ed0888eac8f55e, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ CombineDataSources (in target 'CombineDataSources' from project 'CombineDataSources')
	EmitSwiftModule normal arm64 (in target 'CombineDataSources' from project 'CombineDataSources')
	Building workspace spi-builder-workspace with scheme CombineDataSources
(3 failures)
BUILD FAILURE 6.1 macosXcodebuild