Swift Package Index

Build Information

Failed to build LightweightObservable, reference 2.2.2 (f7aeda), with Swift 6.3 for watchOS using Xcode 26.4 on 13 Apr 2026 09:14:52 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LightweightObservable -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/fxm90/LightweightObservable.git
Reference: 2.2.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/fxm90/LightweightObservable
 * tag               2.2.2      -> FETCH_HEAD
HEAD is now at f7aeda3 🔖 :: Bump version
Cloned https://github.com/fxm90/LightweightObservable.git
Revision (git rev-parse @):
f7aeda3ab67922bd3ad252c5a311c58ee3e37bf5
SUCCESS checkout https://github.com/fxm90/LightweightObservable.git at 2.2.2
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.3
Building package at path:  $PWD
https://github.com/fxm90/LightweightObservable.git
Command line invocation:
    /Applications/Xcode-26.4.0.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"
    ]
  }
}
2026-04-13 05:14:42.815 xcodebuild[678:4242] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LightweightObservable -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 1e1c6db1c9755eb84599538b220eaa0f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1e1c6db1c9755eb84599538b220eaa0f.xcbuilddata
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
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
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
    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/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/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/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/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/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/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/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/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/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-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/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_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.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.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/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 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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name LightweightObservable -Onone @/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 -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -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
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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name LightweightObservable -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name LightweightObservable -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -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
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-C4TC854O65J5497BBX600KKRB.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-9HLFLNTO8GHE1CGLX3O9VDPWZ.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-8WB2TQ5ID0E4TLXDTEVJ2XNQ6.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-C5SVPIYECR3VZY1UE4FL7OF4G.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-412RH2O2ONCZJ7OEVHFAOI0AK.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-CSYNJ36TKIRL7QNRKDKOGXJU2.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-8J360MDDQXUL93K2URBTQH9R7.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-1SU5ITVAD0IOPFW9PGAM4K5UA.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-2DTNL8T5MKRQYAGUSOL6U8ZDV.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-B1UE543X3DG7AVFNONVIAHMSV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-DUCOK4TK92CTD42OXDA1ZNQE4.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-U3O30ZG2OR7WZLRTDZ78PNM9.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-9PAMPYOKSCHI7H2Y69RB1CGOE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-6BGY691FJWHBF8WK1C0KR0NSP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-50H2DFYYV5EW682NL84TR3FV1.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-4BZZGJRME0ZQ2QLDG4BAHM1P8.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-B3YYDRA3XCKSULHML4U295GIY.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-38D6D46E1F805OKD4ZFSCJMGW.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-50HTZ6SZGZ9IV51FREK0QRLYW.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-9FKWK8IDCHHC3NXLJ2XQ5IQV6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-CQT494I37559JYD3PA7WDDHWT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-64SVI3JFJ3UKP4C6X0OLYO830.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-CM4QDBLSHYZT29UKT3T72KQVR.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-BS2JXGE4HZ5FY2BPGNP630G8F.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-B69EYQWEVKSIGNJZKYHR2Q9QO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-AJX0T9B8L1Q3XNNOXOEZIT8RH.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-92NDN1PM0XPJ6AKX9UMEOCC9R.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-9MMX5TMSSBZ8G1ZAIIPKP9HPU.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-8OXZTOLB7P8KCSE2SQHYCFL58.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-2Q28C3Q4TAV3NMR8JWE92WTRF.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-1RJ6JRGXZ8SPWZ1ITP42AK7ED.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-3IQFCXNJ9EXDUEG18FF5AUJ7Y.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-DHYSMCC7UHE3QVF1RN0W3KQF9.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-9C6F7KVYM3Z3RD08B1R1S8JMO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-EWJ448ABN70728AP6ZZ9WEOUL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-9RZQTF1GJ0416YQ0Z02NZZXQC.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-EGGP79F0O4J8S59BX8NXLCSRA.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-A93LFYRPY6H19OYORB7OCRWS.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-4V2TEHX2QDMBR03GJ8MZHXC1N.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-7L2IRU9839QUZFO08BZ6BOLD8.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/sys_types-2UB4LFMFDMJ9BAWDPUJUGHDF4.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-1QOGRV0BGHI0YS4FVC1LRKC3H.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-64R5F69X303A73IHCYRY9YQZ5.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-CAHU97UQ07GHV8E3OQ2PUPELP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-85XSHOS3CYWKRNKX2G54S4O40.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-DFP9KL85KTQ4S03234NG2STCR.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-2VQDTZFTBTV3PGS6QTFZ1T32L.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-5VSELNGR1UTMSG0B9R9OUAADQ.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-7YSIOPFZ55PIKH4VLTSKSD1VC.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-4IK315PRAEE9HMP5FEW77MZEH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-BBMJ4730QL10MWDNUFZJBYRN.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-A454NAS899IHKN5FXNYEN6YN8.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-BI7IE2KH5FMB24YSE2RFC99SD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-Y2H3FASB6S9J4MW2R2WQEJLM.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-IVSSSVSJYK45M023SEEMEEK7.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-935VVCGRNPUWQ7BH0U6OJVVSX.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-C5Y3EORD6K8DOSP4T3Q3RFZ8L.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-1OOJFHXIHOZPPYDUR9OHEF8Q8.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-2XJNM2Q043Z71ASPD0MSEO735.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-819V7E6IGB5TNT5WEQ245EX6R.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-3505J0L9W5O3CWY9CI0FWKIHP.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-7XUT6EPRBSB5DW4MN71UXTKUV.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-R1PG9Y2DP3EK3LRUA8PRPADC.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-ARJYTIRRDW39S4NN6EM23QIBS.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-EBVVYR4TF0PQUZ4W3Y6BB8T4R.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-5RDWSHLMKE2HU2LCXVV68H9F0.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-5A1GJSVRTUEKXJ08IB057B6JN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-5K8M5ISJ7BMQVNR98DK2M4NVG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-9LXFH1YGCTEYI6FZTMA69KC0E.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-7PHGOPKBVRPUS00GX24N7Q9VD.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-18V7BBHOAWHI6N4MT8WMS1NTI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-BV24I6SQZR1TBPFSIT5KTQ5X9.pcm
SwiftExplicitDependencyGeneratePcm armv7k /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-3XX2BK9JF2VWZ6LQZCBIESSO0.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-6R9V5UMJYXKQLO5TWCMLTAXSH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-DGTSTG9ILAWV20UWIH3AFDWUP.pcm
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

SwiftEmitModule normal armv7k Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
Failed frontend command:
/Applications/Xcode-26.4.0.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 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-dependencies-3.json -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -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 -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 -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -no-auto-bridging-header-chaining -module-name LightweightObservable -frontend-parseable-output -disable-clang-spi -clang-target armv7k-apple-watchos26.4 -target-sdk-version 26.4 -target-sdk-name watchos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -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-primary-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-primary-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
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 {
^
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\ 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+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

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

SwiftEmitModule normal arm64_32 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
Failed frontend command:
/Applications/Xcode-26.4.0.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 arm64_32-apple-watchos5.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-dependencies-1.json -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -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/arm64_32/LightweightObservable_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -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 -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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/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 -no-auto-bridging-header-chaining -module-name LightweightObservable -frontend-parseable-output -disable-clang-spi -clang-target arm64_32-apple-watchos26.4 -target-sdk-version 26.4 -target-sdk-name watchos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/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/arm64_32/LightweightObservable.swiftsourceinfo -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 -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.abi.json
EmitSwiftModule normal arm64_32 (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 {
^
SwiftCompile normal arm64_32 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_32 /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_32 Compiling\ Observable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Observable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftCompile normal arm64_32 /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_32 Compiling\ Observable+Combine.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Combine.swift (in target 'LightweightObservable' from project 'LightweightObservable')
SwiftEmitModule normal arm64 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
2026-04-13 05:14:44.326 xcodebuild[689:4379] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal armv7k Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
	EmitSwiftModule normal armv7k (in target 'LightweightObservable' from project 'LightweightObservable')
	SwiftEmitModule normal arm64_32 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
	EmitSwiftModule normal arm64_32 (in target 'LightweightObservable' from project 'LightweightObservable')
	Building workspace spi-builder-workspace with scheme LightweightObservable
(5 failures)
Command line invocation:
    /Applications/Xcode-26.4.0.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
2026-04-13 05:14:50.055 xcodebuild[791:4786] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "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"
    ]
  }
}
2026-04-13 05:14:51.209 xcodebuild[801:4878] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme LightweightObservable -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-26.4.0.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
ClangStatCache /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.sdkstatcache
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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name LightweightObservable -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64/LightweightObservable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name LightweightObservable -Onone @/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 -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -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
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-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name LightweightObservable -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.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 -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -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
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-26.4.0.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 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/armv7k/LightweightObservable-dependencies-1.json -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -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 -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 -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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 -no-auto-bridging-header-chaining -module-name LightweightObservable -frontend-parseable-output -disable-clang-spi -clang-target armv7k-apple-watchos26.4 -target-sdk-version 26.4 -target-sdk-name watchos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -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-primary-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-primary-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.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+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+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

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+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\ 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+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

SwiftEmitModule normal arm64_32 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
Failed frontend command:
/Applications/Xcode-26.4.0.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 arm64_32-apple-watchos5.0 -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -disable-implicit-swift-modules -Xcc -fno-implicit-modules -Xcc -fno-implicit-module-maps -explicit-swift-module-map-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-dependencies-2.json -enable-objc-interop -sdk /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-26.4.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS26.4.sdk/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -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/arm64_32/LightweightObservable_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -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 -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos26.4-23T238-688ef53f1462e2c8f657fdc38a81448f9e51884a582f42380855760c9d4cc599.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/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 -no-auto-bridging-header-chaining -module-name LightweightObservable -frontend-parseable-output -disable-clang-spi -clang-target arm64_32-apple-watchos26.4 -target-sdk-version 26.4 -target-sdk-name watchos26.4 -in-process-plugin-server-path /Applications/Xcode-26.4.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/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/arm64_32/LightweightObservable.swiftsourceinfo -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 -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-primary-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable-primary-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/LightweightObservable.build/Debug-watchos/LightweightObservable.build/Objects-normal/arm64_32/LightweightObservable.abi.json
EmitSwiftModule normal arm64_32 (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 {
^
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_32 Compiling\ Observable+Equatable.swift /Users/admin/builder/spi-builder-workspace/LightweightObservable/Sources/Extensions/Observable+Equatable.swift (in target 'LightweightObservable' from project 'LightweightObservable')
2026-04-13 05:14:52.093 xcodebuild[804:4910] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** 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_32 Emitting\ module\ for\ LightweightObservable (in target 'LightweightObservable' from project 'LightweightObservable')
	EmitSwiftModule normal arm64_32 (in target 'LightweightObservable' from project 'LightweightObservable')
	Building workspace spi-builder-workspace with scheme LightweightObservable
(5 failures)
BUILD FAILURE 6.3 watchOS