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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 Emitter, reference v1.0.0 (5480d5), with Swift 6.1 for tvOS using Xcode 16.3 on 27 Apr 2025 15:42:25 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Emitter -destination generic/platform=tvOS

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/GoodHatsLLC/Emitter.git
Reference: v1.0.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/GoodHatsLLC/Emitter
 * tag               v1.0.0     -> FETCH_HEAD
HEAD is now at 5480d5b fix swift 5.9 and documentation build warnings
Cloned https://github.com/GoodHatsLLC/Emitter.git
Revision (git rev-parse @):
5480d5b6f1ad63371e91a39f499e5795dc6b6615
SUCCESS checkout https://github.com/GoodHatsLLC/Emitter.git at v1.0.0
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/GoodHatsLLC/Emitter.git
https://github.com/GoodHatsLLC/Emitter.git
{
  "dependencies" : [
    {
      "identity" : "disposable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "1.1.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/GoodHatsLLC/Disposable.git"
    }
  ],
  "manifest_display_name" : "Emitter",
  "name" : "Emitter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.3"
    },
    {
      "name" : "ios",
      "version" : "15.4"
    },
    {
      "name" : "tvos",
      "version" : "15.4"
    },
    {
      "name" : "watchos",
      "version" : "8.5"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.4"
    }
  ],
  "products" : [
    {
      "name" : "Emitter",
      "targets" : [
        "Emitter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EmitterTests",
      "module_type" : "SwiftTarget",
      "name" : "EmitterTests",
      "path" : "Tests/EmitterTests",
      "product_dependencies" : [
        "Disposable"
      ],
      "sources" : [
        "Benchmarks/Benchmarks.swift",
        "Benchmarks/Blackhole.swift",
        "BridgingTests/AsyncToEmitterTests.swift",
        "BridgingTests/CombineToEmitterTests.swift",
        "BridgingTests/EmitterToAsyncTests.swift",
        "BridgingTests/EmitterToCombineTests.swift",
        "LifecycleTests/FinishTests.swift",
        "OperatorTests/CombineLatestThreeTests.swift",
        "OperatorTests/CombineLatestTwoTests.swift",
        "OperatorTests/CompactMapTests.swift",
        "OperatorTests/DedupingTests.swift",
        "OperatorTests/FilterTests.swift",
        "OperatorTests/FirstTests.swift",
        "OperatorTests/FlatMapLatestTests.swift",
        "OperatorTests/MapFailureTests.swift",
        "OperatorTests/MapTests.swift",
        "OperatorTests/Merge2Tests.swift",
        "OperatorTests/Merge3Tests.swift",
        "OperatorTests/ReplacingFailuresTests.swift",
        "OperatorTests/SharedTests.swift",
        "OperatorTests/TryMapTests.swift",
        "OperatorTests/UnionThreeTests.swift",
        "OperatorTests/UnionTwoTests.swift",
        "OperatorTests/WithFailureTypeTests.swift",
        "OperatorTests/WithPrefixTests.swift",
        "OperatorTests/WithSuffixTests.swift",
        "SourceTests/CreateTests.swift",
        "SourceTests/PublishSubjectTests.swift",
        "SourceTests/ValueSubjectTests.swift",
        "StressTests/ThreadingTests.swift",
        "SubscriberTests/FirstValueTests.swift",
        "Utils/AsyncValue.swift",
        "Utils/Flush.swift",
        "Utils/Unchecked.swift"
      ],
      "target_dependencies" : [
        "Emitter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Emitter",
      "module_type" : "SwiftTarget",
      "name" : "Emitter",
      "path" : "Sources/Emitter",
      "product_dependencies" : [
        "Disposable"
      ],
      "product_memberships" : [
        "Emitter"
      ],
      "sources" : [
        "Bridging/AsyncToEmitterBridge.swift",
        "Bridging/CombineToEmitterBridge.swift",
        "Bridging/EmitterToAsyncBridge.swift",
        "Bridging/EmitterToCombineBridge.swift",
        "Bridging/SequenceToEmitterBridge.swift",
        "Erasure/AnyEmitter.swift",
        "Export.swift",
        "Interface/Emission.swift",
        "Interface/Emitter.swift",
        "Interface/Subject.swift",
        "Interface/Subscriber.swift",
        "Interface/Tuple.swift",
        "Interface/Union.swift",
        "Operators/CombineLatestThree.swift",
        "Operators/CombineLatestTwo.swift",
        "Operators/CompactMap.swift",
        "Operators/Dedupe.swift",
        "Operators/Filter.swift",
        "Operators/First.swift",
        "Operators/FlatMapLatest.swift",
        "Operators/Map.swift",
        "Operators/MapFailure.swift",
        "Operators/MergeThree.swift",
        "Operators/MergeTwo.swift",
        "Operators/Print.swift",
        "Operators/Redirect.swift",
        "Operators/ReplaceFailures.swift",
        "Operators/Shared.swift",
        "Operators/TryMap.swift",
        "Operators/UnionThree.swift",
        "Operators/UnionTwo.swift",
        "Operators/WithFailureType.swift",
        "Operators/WithPrefix.swift",
        "Operators/WithSuffix.swift",
        "Sources/Create.swift",
        "Sources/FailureEmitter.swift",
        "Sources/JustEmitter.swift",
        "Sources/NeverEmitter.swift",
        "Sources/PublishSubject.swift",
        "Sources/ValueSubject.swift",
        "Subscribers/EmissionDataProxy.swift",
        "Subscribers/FirstValue.swift",
        "Subscribers/Subscribe.swift",
        "Subscribers/SubscribeMain.swift",
        "Subscribers/Subscription.swift",
        "Subscribers/TransformProxy.swift",
        "Utilities/AsyncValue.swift",
        "Utilities/Locked.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/GoodHatsLLC/Disposable.git
Creating working copy of package ‘Disposable’
Checking out 1.0.0 of package ‘Disposable’
Resolve Package Graph
Resolved source packages:
  Emitter: /Users/admin/builder/spi-builder-workspace
  Disposable: https://github.com/GoodHatsLLC/Disposable.git @ 1.0.0
resolved source packages: Emitter, Disposable
{
  "dependencies" : [
    {
      "identity" : "disposable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "1.1.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/GoodHatsLLC/Disposable.git"
    }
  ],
  "manifest_display_name" : "Emitter",
  "name" : "Emitter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.3"
    },
    {
      "name" : "ios",
      "version" : "15.4"
    },
    {
      "name" : "tvos",
      "version" : "15.4"
    },
    {
      "name" : "watchos",
      "version" : "8.5"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.4"
    }
  ],
  "products" : [
    {
      "name" : "Emitter",
      "targets" : [
        "Emitter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EmitterTests",
      "module_type" : "SwiftTarget",
      "name" : "EmitterTests",
      "path" : "Tests/EmitterTests",
      "product_dependencies" : [
        "Disposable"
      ],
      "sources" : [
        "Benchmarks/Benchmarks.swift",
        "Benchmarks/Blackhole.swift",
        "BridgingTests/AsyncToEmitterTests.swift",
        "BridgingTests/CombineToEmitterTests.swift",
        "BridgingTests/EmitterToAsyncTests.swift",
        "BridgingTests/EmitterToCombineTests.swift",
        "LifecycleTests/FinishTests.swift",
        "OperatorTests/CombineLatestThreeTests.swift",
        "OperatorTests/CombineLatestTwoTests.swift",
        "OperatorTests/CompactMapTests.swift",
        "OperatorTests/DedupingTests.swift",
        "OperatorTests/FilterTests.swift",
        "OperatorTests/FirstTests.swift",
        "OperatorTests/FlatMapLatestTests.swift",
        "OperatorTests/MapFailureTests.swift",
        "OperatorTests/MapTests.swift",
        "OperatorTests/Merge2Tests.swift",
        "OperatorTests/Merge3Tests.swift",
        "OperatorTests/ReplacingFailuresTests.swift",
        "OperatorTests/SharedTests.swift",
        "OperatorTests/TryMapTests.swift",
        "OperatorTests/UnionThreeTests.swift",
        "OperatorTests/UnionTwoTests.swift",
        "OperatorTests/WithFailureTypeTests.swift",
        "OperatorTests/WithPrefixTests.swift",
        "OperatorTests/WithSuffixTests.swift",
        "SourceTests/CreateTests.swift",
        "SourceTests/PublishSubjectTests.swift",
        "SourceTests/ValueSubjectTests.swift",
        "StressTests/ThreadingTests.swift",
        "SubscriberTests/FirstValueTests.swift",
        "Utils/AsyncValue.swift",
        "Utils/Flush.swift",
        "Utils/Unchecked.swift"
      ],
      "target_dependencies" : [
        "Emitter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Emitter",
      "module_type" : "SwiftTarget",
      "name" : "Emitter",
      "path" : "Sources/Emitter",
      "product_dependencies" : [
        "Disposable"
      ],
      "product_memberships" : [
        "Emitter"
      ],
      "sources" : [
        "Bridging/AsyncToEmitterBridge.swift",
        "Bridging/CombineToEmitterBridge.swift",
        "Bridging/EmitterToAsyncBridge.swift",
        "Bridging/EmitterToCombineBridge.swift",
        "Bridging/SequenceToEmitterBridge.swift",
        "Erasure/AnyEmitter.swift",
        "Export.swift",
        "Interface/Emission.swift",
        "Interface/Emitter.swift",
        "Interface/Subject.swift",
        "Interface/Subscriber.swift",
        "Interface/Tuple.swift",
        "Interface/Union.swift",
        "Operators/CombineLatestThree.swift",
        "Operators/CombineLatestTwo.swift",
        "Operators/CompactMap.swift",
        "Operators/Dedupe.swift",
        "Operators/Filter.swift",
        "Operators/First.swift",
        "Operators/FlatMapLatest.swift",
        "Operators/Map.swift",
        "Operators/MapFailure.swift",
        "Operators/MergeThree.swift",
        "Operators/MergeTwo.swift",
        "Operators/Print.swift",
        "Operators/Redirect.swift",
        "Operators/ReplaceFailures.swift",
        "Operators/Shared.swift",
        "Operators/TryMap.swift",
        "Operators/UnionThree.swift",
        "Operators/UnionTwo.swift",
        "Operators/WithFailureType.swift",
        "Operators/WithPrefix.swift",
        "Operators/WithSuffix.swift",
        "Sources/Create.swift",
        "Sources/FailureEmitter.swift",
        "Sources/JustEmitter.swift",
        "Sources/NeverEmitter.swift",
        "Sources/PublishSubject.swift",
        "Sources/ValueSubject.swift",
        "Subscribers/EmissionDataProxy.swift",
        "Subscribers/FirstValue.swift",
        "Subscribers/Subscribe.swift",
        "Subscribers/SubscribeMain.swift",
        "Subscribers/Subscription.swift",
        "Subscribers/TransformProxy.swift",
        "Utilities/AsyncValue.swift",
        "Utilities/Locked.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Emitter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Emitter -destination generic/platform=tvOS 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 Emitter -destination generic/platform=tvOS "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  Disposable: https://github.com/GoodHatsLLC/Disposable.git @ 1.0.0
  Emitter: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'Emitter' in project 'Emitter'
        ➜ Explicit dependency on target 'Emitter' in project 'Emitter'
        ➜ Explicit dependency on target 'Disposable' in project 'Disposable'
    Target 'Emitter' in project 'Emitter'
        ➜ Explicit dependency on target 'Disposable' in project 'Disposable'
    Target 'Disposable' in project 'Disposable'
        ➜ Explicit dependency on target 'Disposable' in project 'Disposable'
    Target 'Disposable' in project 'Disposable' (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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.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: 71ae8bddf1aedeb57b7a487e48694d7f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/71ae8bddf1aedeb57b7a487e48694d7f.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.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-appletvos
    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-appletvos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Emitter.DependencyMetadataFileList (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Emitter.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Emitter.DependencyStaticMetadataFileList (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Emitter.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Emitter.modulemap (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Emitter.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter_const_extract_protocols.json (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter.LinkFileList (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter.SwiftFileList (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter-OutputFileMap.json (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter.SwiftConstValuesFileList (in target 'Emitter' from project 'Emitter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Objects-normal/arm64/Emitter.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable_const_extract_protocols.json (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.SwiftFileList (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.SwiftConstValuesFileList (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.LinkFileList (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-OutputFileMap.json (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-appletvos/Emitter.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Emitter.build/Debug-appletvos/Emitter.build/Emitter.modulemap (in target 'Emitter' from project 'Emitter')
    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/Emitter.build/Debug-appletvos/Emitter.build/Emitter.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-appletvos
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.modulemap (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.DependencyStaticMetadataFileList (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.DependencyMetadataFileList (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-appletvos/Disposable.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.modulemap (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable
    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/Disposable.build/Debug-appletvos/Disposable.build/Disposable.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-appletvos
SwiftDriver Disposable normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Disposable' from project 'Disposable')
    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 Disposable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -target arm64-apple-tvos15.4 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -suppress-warnings -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-appletvos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.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/Disposable.build/Debug-appletvos/Disposable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ AutoDisposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/AutoDisposable.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/AutoDisposable.swift (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ Disposable (in target 'Disposable' from project 'Disposable')
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/.dependencies/checkouts/Disposable/Sources/Disposable/AutoDisposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/CombineExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/TaskExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/ConvenienceStages.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Disposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/DisposableBuilder.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/DisposableStage.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/ErasedDisposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Task.swift -target arm64-apple-tvos15.4 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk/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 -suppress-warnings -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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable_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/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name Disposable -frontend-parseable-output -disable-clang-spi -target-sdk-version 18.4 -target-sdk-name appletvos18.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.abi.json
EmitSwiftModule normal arm64 (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift:202:23: error: 'OSAllocatedUnfairLock' is only available in tvOS 16.0 or newer
  private let oslock: OSAllocatedUnfairLock<Void>
                      ^
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift:176:21: note: add @available attribute to enclosing generic class
private final class OSUnfairLocked<T>: LockType {
                    ^
SwiftCompile normal arm64 Compiling\ ConvenienceStages.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/ConvenienceStages.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/ConvenienceStages.swift (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

SwiftCompile normal arm64 Compiling\ TaskExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/TaskExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/TaskExtensions.swift (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ CombineExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/CombineExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/CombineExtensions.swift (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Task.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Task.swift (in target 'Disposable' from project 'Disposable')
Command SwiftCompile failed with a nonzero exit code
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Disposable (in target 'Disposable' from project 'Disposable')
	EmitSwiftModule normal arm64 (in target 'Disposable' from project 'Disposable')
	SwiftCompile normal arm64 Compiling\ Task.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Task.swift (in target 'Disposable' from project 'Disposable')
	Building workspace spi-builder-workspace with scheme Emitter
(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:
  Disposable: https://github.com/GoodHatsLLC/Disposable.git @ 1.0.0
  Emitter: /Users/admin/builder/spi-builder-workspace
resolved source packages: Disposable, Emitter
{
  "dependencies" : [
    {
      "identity" : "disposable",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "1.1.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/GoodHatsLLC/Disposable.git"
    }
  ],
  "manifest_display_name" : "Emitter",
  "name" : "Emitter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "12.3"
    },
    {
      "name" : "ios",
      "version" : "15.4"
    },
    {
      "name" : "tvos",
      "version" : "15.4"
    },
    {
      "name" : "watchos",
      "version" : "8.5"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.4"
    }
  ],
  "products" : [
    {
      "name" : "Emitter",
      "targets" : [
        "Emitter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EmitterTests",
      "module_type" : "SwiftTarget",
      "name" : "EmitterTests",
      "path" : "Tests/EmitterTests",
      "product_dependencies" : [
        "Disposable"
      ],
      "sources" : [
        "Benchmarks/Benchmarks.swift",
        "Benchmarks/Blackhole.swift",
        "BridgingTests/AsyncToEmitterTests.swift",
        "BridgingTests/CombineToEmitterTests.swift",
        "BridgingTests/EmitterToAsyncTests.swift",
        "BridgingTests/EmitterToCombineTests.swift",
        "LifecycleTests/FinishTests.swift",
        "OperatorTests/CombineLatestThreeTests.swift",
        "OperatorTests/CombineLatestTwoTests.swift",
        "OperatorTests/CompactMapTests.swift",
        "OperatorTests/DedupingTests.swift",
        "OperatorTests/FilterTests.swift",
        "OperatorTests/FirstTests.swift",
        "OperatorTests/FlatMapLatestTests.swift",
        "OperatorTests/MapFailureTests.swift",
        "OperatorTests/MapTests.swift",
        "OperatorTests/Merge2Tests.swift",
        "OperatorTests/Merge3Tests.swift",
        "OperatorTests/ReplacingFailuresTests.swift",
        "OperatorTests/SharedTests.swift",
        "OperatorTests/TryMapTests.swift",
        "OperatorTests/UnionThreeTests.swift",
        "OperatorTests/UnionTwoTests.swift",
        "OperatorTests/WithFailureTypeTests.swift",
        "OperatorTests/WithPrefixTests.swift",
        "OperatorTests/WithSuffixTests.swift",
        "SourceTests/CreateTests.swift",
        "SourceTests/PublishSubjectTests.swift",
        "SourceTests/ValueSubjectTests.swift",
        "StressTests/ThreadingTests.swift",
        "SubscriberTests/FirstValueTests.swift",
        "Utils/AsyncValue.swift",
        "Utils/Flush.swift",
        "Utils/Unchecked.swift"
      ],
      "target_dependencies" : [
        "Emitter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Emitter",
      "module_type" : "SwiftTarget",
      "name" : "Emitter",
      "path" : "Sources/Emitter",
      "product_dependencies" : [
        "Disposable"
      ],
      "product_memberships" : [
        "Emitter"
      ],
      "sources" : [
        "Bridging/AsyncToEmitterBridge.swift",
        "Bridging/CombineToEmitterBridge.swift",
        "Bridging/EmitterToAsyncBridge.swift",
        "Bridging/EmitterToCombineBridge.swift",
        "Bridging/SequenceToEmitterBridge.swift",
        "Erasure/AnyEmitter.swift",
        "Export.swift",
        "Interface/Emission.swift",
        "Interface/Emitter.swift",
        "Interface/Subject.swift",
        "Interface/Subscriber.swift",
        "Interface/Tuple.swift",
        "Interface/Union.swift",
        "Operators/CombineLatestThree.swift",
        "Operators/CombineLatestTwo.swift",
        "Operators/CompactMap.swift",
        "Operators/Dedupe.swift",
        "Operators/Filter.swift",
        "Operators/First.swift",
        "Operators/FlatMapLatest.swift",
        "Operators/Map.swift",
        "Operators/MapFailure.swift",
        "Operators/MergeThree.swift",
        "Operators/MergeTwo.swift",
        "Operators/Print.swift",
        "Operators/Redirect.swift",
        "Operators/ReplaceFailures.swift",
        "Operators/Shared.swift",
        "Operators/TryMap.swift",
        "Operators/UnionThree.swift",
        "Operators/UnionTwo.swift",
        "Operators/WithFailureType.swift",
        "Operators/WithPrefix.swift",
        "Operators/WithSuffix.swift",
        "Sources/Create.swift",
        "Sources/FailureEmitter.swift",
        "Sources/JustEmitter.swift",
        "Sources/NeverEmitter.swift",
        "Sources/PublishSubject.swift",
        "Sources/ValueSubject.swift",
        "Subscribers/EmissionDataProxy.swift",
        "Subscribers/FirstValue.swift",
        "Subscribers/Subscribe.swift",
        "Subscribers/SubscribeMain.swift",
        "Subscribers/Subscription.swift",
        "Subscribers/TransformProxy.swift",
        "Utilities/AsyncValue.swift",
        "Utilities/Locked.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Emitter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Emitter -destination generic/platform=tvOS
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 Emitter -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  Disposable: https://github.com/GoodHatsLLC/Disposable.git @ 1.0.0
  Emitter: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (4 targets)
    Target 'Emitter' in project 'Emitter'
        ➜ Explicit dependency on target 'Emitter' in project 'Emitter'
        ➜ Explicit dependency on target 'Disposable' in project 'Disposable'
    Target 'Emitter' in project 'Emitter'
        ➜ Explicit dependency on target 'Disposable' in project 'Disposable'
    Target 'Disposable' in project 'Disposable'
        ➜ Explicit dependency on target 'Disposable' in project 'Disposable'
    Target 'Disposable' in project 'Disposable' (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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.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: aea8d4e8f9f62b52b6c556b3371f1937
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/aea8d4e8f9f62b52b6c556b3371f1937.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.sdkstatcache
SwiftDriver Disposable normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Disposable' from project 'Disposable')
    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 Disposable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -enable-upcoming-feature ConciseMagicFile -enable-upcoming-feature ExistentialAny -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature ImplicitOpenExistentials -enable-upcoming-feature BareSlashRegexLiterals -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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -target arm64-apple-tvos15.4 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -suppress-warnings -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-appletvos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.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/Disposable.build/Debug-appletvos/Disposable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ CombineExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/CombineExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/CombineExtensions.swift (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ TaskExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/TaskExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/TaskExtensions.swift (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ Disposable (in target 'Disposable' from project 'Disposable')
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/.dependencies/checkouts/Disposable/Sources/Disposable/AutoDisposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/CombineExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Bridging/TaskExtensions.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/ConvenienceStages.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Disposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/DisposableBuilder.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/DisposableStage.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/ErasedDisposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Task.swift -target arm64-apple-tvos15.4 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.sdk/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 -suppress-warnings -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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable_const_extract_protocols.json -enable-upcoming-feature ConciseMagicFile -enable-upcoming-feature ExistentialAny -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature ImplicitOpenExistentials -enable-upcoming-feature BareSlashRegexLiterals -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/appletvos18.4-22L251-271d326055c85f9856fa135c41255102.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-appletvos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name Disposable -frontend-parseable-output -disable-clang-spi -target-sdk-version 18.4 -target-sdk-name appletvos18.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/AppleTVOS.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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.abi.json
EmitSwiftModule normal arm64 (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift:202:23: error: 'OSAllocatedUnfairLock' is only available in tvOS 16.0 or newer
  private let oslock: OSAllocatedUnfairLock<Void>
                      ^
/Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift:176:21: note: add @available attribute to enclosing generic class
private final class OSUnfairLocked<T>: LockType {
                    ^
SwiftCompile normal arm64 Compiling\ Locked.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/Locked.swift (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

SwiftCompile normal arm64 Compiling\ AutoDisposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/AutoDisposable.swift (in target 'Disposable' from project 'Disposable')
Command SwiftCompile failed with a nonzero exit code
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Disposable (in target 'Disposable' from project 'Disposable')
	EmitSwiftModule normal arm64 (in target 'Disposable' from project 'Disposable')
	SwiftCompile normal arm64 Compiling\ AutoDisposable.swift /Users/admin/builder/spi-builder-workspace/.dependencies/checkouts/Disposable/Sources/Disposable/AutoDisposable.swift (in target 'Disposable' from project 'Disposable')
	Building workspace spi-builder-workspace with scheme Emitter
(4 failures)
BUILD FAILURE 6.1 tvOS