The Swift Package Index logo.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 LightweightObservable, reference main (a54bfd), with Swift 6.1 for watchOS using Xcode 16.3 on 27 Apr 2025 04:32:05 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/fxm90/LightweightObservable.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fxm90/LightweightObservable
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at a54bfdc Refactor CI setup (#10)
Cloned https://github.com/fxm90/LightweightObservable.git
Revision (git rev-parse @):
a54bfdcffe8aca708f78cc7fea222ed593d7abd3
SUCCESS checkout https://github.com/fxm90/LightweightObservable.git at main
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/fxm90/LightweightObservable.git
https://github.com/fxm90/LightweightObservable.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LightweightObservable",
  "name" : "LightweightObservable",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LightweightObservable",
      "targets" : [
        "LightweightObservable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LightweightObservableTests",
      "module_type" : "SwiftTarget",
      "name" : "LightweightObservableTests",
      "path" : "LightweightObservable/Tests",
      "sources" : [
        "DisposableTestCase.swift",
        "Extensions/Observable+CombineTestCase.swift",
        "Extensions/Observable+EquatableTestCase.swift",
        "Extensions/Observable+KeyPathTestCase.swift",
        "ObservableTestCase.swift",
        "PublishSubjectTestCase.swift",
        "VariableTestCase.swift"
      ],
      "target_dependencies" : [
        "LightweightObservable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LightweightObservable",
      "module_type" : "SwiftTarget",
      "name" : "LightweightObservable",
      "path" : "LightweightObservable/Sources",
      "product_memberships" : [
        "LightweightObservable"
      ],
      "sources" : [
        "Disposable.swift",
        "Extensions/Observable+Combine.swift",
        "Extensions/Observable+Equatable.swift",
        "Extensions/Observable+KeyPath.swift",
        "Observable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LightweightObservable",
  "name" : "LightweightObservable",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LightweightObservable",
      "targets" : [
        "LightweightObservable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LightweightObservableTests",
      "module_type" : "SwiftTarget",
      "name" : "LightweightObservableTests",
      "path" : "LightweightObservable/Tests",
      "sources" : [
        "DisposableTestCase.swift",
        "Extensions/Observable+CombineTestCase.swift",
        "Extensions/Observable+EquatableTestCase.swift",
        "Extensions/Observable+KeyPathTestCase.swift",
        "ObservableTestCase.swift",
        "PublishSubjectTestCase.swift",
        "VariableTestCase.swift"
      ],
      "target_dependencies" : [
        "LightweightObservable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LightweightObservable",
      "module_type" : "SwiftTarget",
      "name" : "LightweightObservable",
      "path" : "LightweightObservable/Sources",
      "product_memberships" : [
        "LightweightObservable"
      ],
      "sources" : [
        "Disposable.swift",
        "Extensions/Observable+Combine.swift",
        "Extensions/Observable+Equatable.swift",
        "Extensions/Observable+KeyPath.swift",
        "Observable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Pods",
    "schemes" : [
      "LightweightObservable",
      "LightweightObservable-Unit-Tests",
      "Pods-Example",
      "SwiftConfigurationFiles",
      "SwiftFormat",
      "SwiftLint"
    ],
    "targets" : [
      "LightweightObservable",
      "LightweightObservable-Unit-Tests",
      "Pods-Example",
      "SwiftConfigurationFiles",
      "SwiftFormat",
      "SwiftLint"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "LightweightObservable"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LightweightObservable -destination generic/platform=watchOS 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 LightweightObservable -destination generic/platform=watchOS "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:
  LightweightObservable: /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 'LightweightObservable' in project 'LightweightObservable'
        ➜ Explicit dependency on target 'LightweightObservable' in project 'LightweightObservable'
    Target 'LightweightObservable' in project 'LightweightObservable' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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: 4a75a7cd4c18863621eaa2334e8eb3ff
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/4a75a7cd4c18863621eaa2334e8eb3ff.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.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/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
    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-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.modulemap (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.SwiftFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable_const_extract_protocols.json (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.SwiftConstValuesFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable_const_extract_protocols.json (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.LinkFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.SwiftConstValuesFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.SwiftFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-OutputFileMap.json (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.LinkFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-OutputFileMap.json (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable_const_extract_protocols.json (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.SwiftFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.SwiftConstValuesFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.LinkFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable-OutputFileMap.json (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.DependencyStaticMetadataFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.DependencyMetadataFileList (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.DependencyMetadataFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/LightweightObservable.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.modulemap (in target 'LightweightObservable' from project 'LightweightObservable')
    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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/LightweightObservable.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
SwiftDriver LightweightObservable normal armv7k com.apple.xcode.tools.swift.compiler (in target 'LightweightObservable' from project 'LightweightObservable')
    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 LightweightObservable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target armv7k-apple-watchos5.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver LightweightObservable normal arm64 com.apple.xcode.tools.swift.compiler (in target 'LightweightObservable' from project 'LightweightObservable')
    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 LightweightObservable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64-apple-watchos5.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable-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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver LightweightObservable normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'LightweightObservable' from project 'LightweightObservable')
    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 LightweightObservable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64_32-apple-watchos5.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal armv7k Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
EmitSwiftModule normal armv7k (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:24:28: error: 'Subscriber' is only available in watchOS 6.0 or newer
    public func receive<S: Subscriber>(subscriber: S) where S.Input == Output, S.Failure == Failure {
                           ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:24:17: note: add @available attribute to enclosing instance method
    public func receive<S: Subscriber>(subscriber: S) where S.Input == Output, S.Failure == Failure {
                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:15:1: note: add @available attribute to enclosing extension
extension Observable: Publisher {
^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:39:33: error: 'Subscriber' is only available in watchOS 6.0 or newer
    final class Subscription<S: Subscriber> where S.Input == Output, S.Failure == Failure {
                                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:39:17: note: add @available attribute to enclosing generic class
    final class Subscription<S: Subscriber> where S.Input == Output, S.Failure == Failure {
                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:39:17: note: add @available attribute to enclosing generic class
    final class Subscription<S: Subscriber> where S.Input == Output, S.Failure == Failure {
                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:67:21: error: 'Subscribers' is only available in watchOS 6.0 or newer
    func request(_: Subscribers.Demand) {
                    ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:67:10: note: add @available attribute to enclosing instance method
    func request(_: Subscribers.Demand) {
         ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:66:1: note: add @available attribute to enclosing extension
extension Observable.Subscription: Subscription {
^
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/LightweightObservable/Sources/Disposable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Observable.swift -target armv7k-apple-watchos5.0 -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable_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/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name LightweightObservable -frontend-parseable-output -disable-clang-spi -target-sdk-version 11.4 -target-sdk-name watchos11.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.abi.json
SwiftCompile normal armv7k Compiling\ Disposable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Disposable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Disposable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ Observable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Observable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Observable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ Observable+KeyPath.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Observable+Equatable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal arm64 Compiling\ Observable+KeyPath.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ Observable+Equatable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
Command SwiftEmitModule failed with a nonzero exit code
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal armv7k (in target 'LightweightObservable' from project 'LightweightObservable')
	SwiftEmitModule normal armv7k Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
	Building workspace spi-builder-workspace with scheme LightweightObservable
(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:
  LightweightObservable: /Users/admin/builder/spi-builder-workspace
resolved source packages: LightweightObservable
{
  "dependencies" : [
  ],
  "manifest_display_name" : "LightweightObservable",
  "name" : "LightweightObservable",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "LightweightObservable",
      "targets" : [
        "LightweightObservable"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LightweightObservableTests",
      "module_type" : "SwiftTarget",
      "name" : "LightweightObservableTests",
      "path" : "LightweightObservable/Tests",
      "sources" : [
        "DisposableTestCase.swift",
        "Extensions/Observable+CombineTestCase.swift",
        "Extensions/Observable+EquatableTestCase.swift",
        "Extensions/Observable+KeyPathTestCase.swift",
        "ObservableTestCase.swift",
        "PublishSubjectTestCase.swift",
        "VariableTestCase.swift"
      ],
      "target_dependencies" : [
        "LightweightObservable"
      ],
      "type" : "test"
    },
    {
      "c99name" : "LightweightObservable",
      "module_type" : "SwiftTarget",
      "name" : "LightweightObservable",
      "path" : "LightweightObservable/Sources",
      "product_memberships" : [
        "LightweightObservable"
      ],
      "sources" : [
        "Disposable.swift",
        "Extensions/Observable+Combine.swift",
        "Extensions/Observable+Equatable.swift",
        "Extensions/Observable+KeyPath.swift",
        "Observable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "LightweightObservable"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LightweightObservable -destination generic/platform=watchOS
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 LightweightObservable -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  LightweightObservable: /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 'LightweightObservable' in project 'LightweightObservable'
        ➜ Explicit dependency on target 'LightweightObservable' in project 'LightweightObservable'
    Target 'LightweightObservable' in project 'LightweightObservable' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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: 35acef23eba8f48d141e174e5f7b11cc
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/35acef23eba8f48d141e174e5f7b11cc.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.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/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache
SwiftDriver LightweightObservable normal armv7k com.apple.xcode.tools.swift.compiler (in target 'LightweightObservable' from project 'LightweightObservable')
    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 LightweightObservable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target armv7k-apple-watchos5.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver LightweightObservable normal arm64 com.apple.xcode.tools.swift.compiler (in target 'LightweightObservable' from project 'LightweightObservable')
    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 LightweightObservable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64-apple-watchos5.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable-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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver LightweightObservable normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'LightweightObservable' from project 'LightweightObservable')
    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 LightweightObservable -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -target arm64_32-apple-watchos5.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal armv7k Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
EmitSwiftModule normal armv7k (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:24:28: error: 'Subscriber' is only available in watchOS 6.0 or newer
    public func receive<S: Subscriber>(subscriber: S) where S.Input == Output, S.Failure == Failure {
                           ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:24:17: note: add @available attribute to enclosing instance method
    public func receive<S: Subscriber>(subscriber: S) where S.Input == Output, S.Failure == Failure {
                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:15:1: note: add @available attribute to enclosing extension
extension Observable: Publisher {
^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:39:33: error: 'Subscriber' is only available in watchOS 6.0 or newer
    final class Subscription<S: Subscriber> where S.Input == Output, S.Failure == Failure {
                                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:39:17: note: add @available attribute to enclosing generic class
    final class Subscription<S: Subscriber> where S.Input == Output, S.Failure == Failure {
                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:39:17: note: add @available attribute to enclosing generic class
    final class Subscription<S: Subscriber> where S.Input == Output, S.Failure == Failure {
                ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:67:21: error: 'Subscribers' is only available in watchOS 6.0 or newer
    func request(_: Subscribers.Demand) {
                    ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:67:10: note: add @available attribute to enclosing instance method
    func request(_: Subscribers.Demand) {
         ^
/Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift:66:1: note: add @available attribute to enclosing extension
extension Observable.Subscription: Subscription {
^
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/LightweightObservable/Sources/Disposable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Observable.swift -target armv7k-apple-watchos5.0 -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS11.4.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos11.4-22T246-43efb940ff07ba2497b70ec94253f576.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources-normal/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources/armv7k -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name LightweightObservable -frontend-parseable-output -disable-clang-spi -target-sdk-version 11.4 -target-sdk-name watchos11.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/WatchOS.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/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.abi.json
SwiftCompile normal armv7k Compiling\ Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ Observable+KeyPath.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+KeyPath.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal armv7k Compiling\ Observable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Observable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Observable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftCompile normal armv7k Compiling\ Disposable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Disposable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal armv7k /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Disposable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ Observable+Equatable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
EmitSwiftModule normal arm64 (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftEmitModule normal arm64_32 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
EmitSwiftModule normal arm64_32 (in target 'LightweightObservable' from project 'LightweightObservable')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
Command SwiftCompile failed with a nonzero exit code
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal armv7k (in target 'LightweightObservable' from project 'LightweightObservable')
	SwiftEmitModule normal armv7k Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
	SwiftCompile normal arm64_32 Compiling\ Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
	Building workspace spi-builder-workspace with scheme LightweightObservable
(4 failures)
BUILD FAILURE 6.1 watchOS