Disposable – Build Information – Swift Package Index

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 Disposable, reference main (0f81e7), with Swift 6.1 for tvOS using Xcode 16.3 on 27 Apr 2025 15:43:17 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/GoodHatsLLC/Disposable.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/GoodHatsLLC/Disposable
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0f81e7e update documentation and swift version syntax
Cloned https://github.com/GoodHatsLLC/Disposable.git
Revision (git rev-parse @):
0f81e7e98b832ac0390976e398b3e76f3c1ede5d
SUCCESS checkout https://github.com/GoodHatsLLC/Disposable.git at main
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/GoodHatsLLC/Disposable.git
https://github.com/GoodHatsLLC/Disposable.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Disposable",
  "name" : "Disposable",
  "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" : "Disposable",
      "targets" : [
        "Disposable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DisposableTests",
      "module_type" : "SwiftTarget",
      "name" : "DisposableTests",
      "path" : "Tests/DisposableTests",
      "sources" : [
        "AutoDisposeable.swift",
        "BasicTests.swift",
        "CombineBridgeTests.swift",
        "ConvenienceStageTests.swift",
        "DisposalStageTests.swift",
        "TaskBridgeTests.swift",
        "ThreadingTests.swift"
      ],
      "target_dependencies" : [
        "Disposable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Disposable",
      "module_type" : "SwiftTarget",
      "name" : "Disposable",
      "path" : "Sources/Disposable",
      "product_memberships" : [
        "Disposable"
      ],
      "sources" : [
        "AutoDisposable.swift",
        "Bridging/CombineExtensions.swift",
        "Bridging/TaskExtensions.swift",
        "ConvenienceStages.swift",
        "Disposable.swift",
        "DisposableBuilder.swift",
        "DisposableStage.swift",
        "ErasedDisposable.swift",
        "Locked.swift",
        "Task.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
Resolve Package Graph
Resolved source packages:
  Disposable: /Users/admin/builder/spi-builder-workspace
resolved source packages: Disposable
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Disposable",
  "name" : "Disposable",
  "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" : "Disposable",
      "targets" : [
        "Disposable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DisposableTests",
      "module_type" : "SwiftTarget",
      "name" : "DisposableTests",
      "path" : "Tests/DisposableTests",
      "sources" : [
        "AutoDisposeable.swift",
        "BasicTests.swift",
        "CombineBridgeTests.swift",
        "ConvenienceStageTests.swift",
        "DisposalStageTests.swift",
        "TaskBridgeTests.swift",
        "ThreadingTests.swift"
      ],
      "target_dependencies" : [
        "Disposable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Disposable",
      "module_type" : "SwiftTarget",
      "name" : "Disposable",
      "path" : "Sources/Disposable",
      "product_memberships" : [
        "Disposable"
      ],
      "sources" : [
        "AutoDisposable.swift",
        "Bridging/CombineExtensions.swift",
        "Bridging/TaskExtensions.swift",
        "ConvenienceStages.swift",
        "Disposable.swift",
        "DisposableBuilder.swift",
        "DisposableStage.swift",
        "ErasedDisposable.swift",
        "Locked.swift",
        "Task.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Disposable"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Disposable -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 Disposable -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
Resolved source packages:
  Disposable: /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 '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: 7478122889387d8f5a214ca7e1156632
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/7478122889387d8f5a214ca7e1156632.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/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/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/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/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/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.LinkFileList (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace
    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_const_extract_protocols.json (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace
    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
    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-OutputFileMap.json (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable-OutputFileMap.json
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
    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
    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
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Disposable.DependencyMetadataFileList
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
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Disposable.build/Debug-appletvos/Disposable.build/Objects-normal/arm64/Disposable.SwiftConstValuesFileList
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
    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 -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
SwiftEmitModule normal arm64 Emitting\ module\ for\ Disposable (in target 'Disposable' from project 'Disposable')
EmitSwiftModule normal arm64 (in target 'Disposable' from project 'Disposable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: warning: static property 'identifiedStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: note: convert 'identifiedStage' to a 'let' constant to make 'Sendable' shared state immutable
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                     ~~~ ^
                     let
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: note: add '@MainActor' to make static property 'identifiedStage' part of global actor 'MainActor'
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                         ^
  @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                         ^
  nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: warning: static property 'callSiteStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: note: convert 'callSiteStage' to a 'let' constant to make 'Sendable' shared state immutable
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                     ~~~ ^
                     let
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: note: add '@MainActor' to make static property 'callSiteStage' part of global actor 'MainActor'
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                         ^
  @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                         ^
  nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/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/Sources/Disposable/Locked.swift:176:21: note: add @available attribute to enclosing generic class
private final class OSUnfairLocked<T>: LockType {
                    ^
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/Disposable/AutoDisposable.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/CombineExtensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/TaskExtensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Disposable.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableStage.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/ErasedDisposable.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Locked.swift /Users/admin/builder/spi-builder-workspace/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 -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
SwiftCompile normal arm64 Compiling\ TaskExtensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/TaskExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/TaskExtensions.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/Sources/Disposable/AutoDisposable.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/AutoDisposable.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/Sources/Disposable/ConvenienceStages.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/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/Sources/Disposable/Disposable.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Disposable.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/Sources/Disposable/Task.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Task.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/Sources/Disposable/Locked.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/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/Sources/Disposable/ErasedDisposable.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/ErasedDisposable.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/Sources/Disposable/DisposableBuilder.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableBuilder.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/Sources/Disposable/DisposableStage.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableStage.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/Sources/Disposable/Bridging/CombineExtensions.swift (in target 'Disposable' from project 'Disposable')
Command SwiftCompile failed with a nonzero exit code
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'Disposable' from project 'Disposable')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Disposable (in target 'Disposable' from project 'Disposable')
	SwiftCompile normal arm64 Compiling\ CombineExtensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/CombineExtensions.swift (in target 'Disposable' from project 'Disposable')
	Building workspace spi-builder-workspace with scheme Disposable
(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: /Users/admin/builder/spi-builder-workspace
resolved source packages: Disposable
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Disposable",
  "name" : "Disposable",
  "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" : "Disposable",
      "targets" : [
        "Disposable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DisposableTests",
      "module_type" : "SwiftTarget",
      "name" : "DisposableTests",
      "path" : "Tests/DisposableTests",
      "sources" : [
        "AutoDisposeable.swift",
        "BasicTests.swift",
        "CombineBridgeTests.swift",
        "ConvenienceStageTests.swift",
        "DisposalStageTests.swift",
        "TaskBridgeTests.swift",
        "ThreadingTests.swift"
      ],
      "target_dependencies" : [
        "Disposable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Disposable",
      "module_type" : "SwiftTarget",
      "name" : "Disposable",
      "path" : "Sources/Disposable",
      "product_memberships" : [
        "Disposable"
      ],
      "sources" : [
        "AutoDisposable.swift",
        "Bridging/CombineExtensions.swift",
        "Bridging/TaskExtensions.swift",
        "ConvenienceStages.swift",
        "Disposable.swift",
        "DisposableBuilder.swift",
        "DisposableStage.swift",
        "ErasedDisposable.swift",
        "Locked.swift",
        "Task.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Disposable"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Disposable -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 Disposable -destination generic/platform=tvOS
Resolve Package Graph
Resolved source packages:
  Disposable: /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 '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: a8e127d366808e19799f986239266abd
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a8e127d366808e19799f986239266abd.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 -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/Sources/Disposable/AutoDisposable.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/AutoDisposable.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/Sources/Disposable/Bridging/TaskExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/TaskExtensions.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/Sources/Disposable/DisposableStage.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableStage.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/Sources/Disposable/Disposable.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Disposable.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/Sources/Disposable/Bridging/CombineExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/CombineExtensions.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/Sources/Disposable/DisposableBuilder.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableBuilder.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/Sources/Disposable/Locked.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/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/Sources/Disposable/ErasedDisposable.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/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/Sources/Disposable/AutoDisposable.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/CombineExtensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Bridging/TaskExtensions.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Disposable.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableBuilder.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/DisposableStage.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/ErasedDisposable.swift /Users/admin/builder/spi-builder-workspace/Sources/Disposable/Locked.swift /Users/admin/builder/spi-builder-workspace/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 -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/Sources/Disposable/ConvenienceStages.swift:65:26: warning: static property 'identifiedStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: note: convert 'identifiedStage' to a 'let' constant to make 'Sendable' shared state immutable
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                     ~~~ ^
                     let
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: note: add '@MainActor' to make static property 'identifiedStage' part of global actor 'MainActor'
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                         ^
  @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:65:26: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  fileprivate static var identifiedStage = Locked([String: any Disposable]())
                         ^
  nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: warning: static property 'callSiteStage' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                         ^
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: note: convert 'callSiteStage' to a 'let' constant to make 'Sendable' shared state immutable
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                     ~~~ ^
                     let
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: note: add '@MainActor' to make static property 'callSiteStage' part of global actor 'MainActor'
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                         ^
  @MainActor
/Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.swift:66:26: note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
  fileprivate static var callSiteStage = Locked([String: any Disposable]())
                         ^
  nonisolated(unsafe)
/Users/admin/builder/spi-builder-workspace/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/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/Sources/Disposable/ConvenienceStages.swift (in target 'Disposable' from project 'Disposable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Disposable/ConvenienceStages.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/Sources/Disposable/Task.swift (in target 'Disposable' from project 'Disposable')
SwiftDriverJobDiscovery normal arm64 Compiling TaskExtensions.swift (in target 'Disposable' from project 'Disposable')
SwiftDriverJobDiscovery normal arm64 Compiling AutoDisposable.swift (in target 'Disposable' from project 'Disposable')
SwiftDriverJobDiscovery normal arm64 Compiling Disposable.swift (in target 'Disposable' from project 'Disposable')
SwiftDriverJobDiscovery normal arm64 Compiling DisposableBuilder.swift (in target 'Disposable' from project 'Disposable')
** 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')
	Building workspace spi-builder-workspace with scheme Disposable
(3 failures)
BUILD FAILURE 6.1 tvOS