Swift Package Index

Build Information

Failed to build swiftui-tabs-view, reference v0.5.0 (e5985a), with Swift 6.4 for watchOS using Xcode 27.0 on 18 Sep 2026 03:18:56 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swiftui-tabs-view -destination generic/platform=watchOS

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/darrarski/swiftui-tabs-view.git
Reference: v0.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/darrarski/swiftui-tabs-view
 * tag               v0.5.0     -> FETCH_HEAD
HEAD is now at e5985a2 Merge pull request #5 from darrarski/fix/navigationview-embedded-content
Cloned https://github.com/darrarski/swiftui-tabs-view.git
Revision (git rev-parse @):
e5985a2387d0e5f21a963fcf1c422b002078e8dc
SUCCESS checkout https://github.com/darrarski/swiftui-tabs-view.git at v0.5.0
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.4
Building package at path:  $PWD
https://github.com/darrarski/swiftui-tabs-view.git
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  swiftui-tabs-view: /Users/admin/builder/spi-builder-workspace
resolved source packages: swiftui-tabs-view
2026-09-17 23:17:51.507 xcodebuild[563:3064] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:17:51.666 xcodebuild[563:3064] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:17:53.328 xcodebuild[563:3064] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swiftui-tabs-view",
  "name" : "swiftui-tabs-view",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftUITabsView",
      "targets" : [
        "SwiftUITabsView"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftUITabsView",
      "module_type" : "SwiftTarget",
      "name" : "SwiftUITabsView",
      "path" : "Sources/SwiftUITabsView",
      "product_memberships" : [
        "SwiftUITabsView"
      ],
      "sources" : [
        "GeometryReaderViewModifier.swift",
        "TabsBarItemView.swift",
        "TabsBarSafeAreaInsetViewModifier.swift",
        "TabsBarView.swift",
        "TabsView.swift",
        "ToolbarViewModifier.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "SwiftUITabsView",
    "schemes" : [
      "ExampleApp-iOS",
      "ExampleApp-macOS",
      "SwiftUITabsView"
    ]
  }
}
2026-09-17 23:18:38.791 xcodebuild[692:4229] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:18:38.895 xcodebuild[692:4229] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "workspace" : {
    "name" : "swiftui-tabs-view",
    "schemes" : [
      "swiftui-tabs-view",
      "SwiftUITabsView"
    ]
  }
}
2026-09-17 23:18:39.748 xcodebuild[694:4278] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:18:39.889 xcodebuild[694:4278] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swiftui-tabs-view -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 swiftui-tabs-view -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  swiftui-tabs-view: /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 'SwiftUITabsView-product' in project 'swiftui-tabs-view'
        ➜ Explicit dependency on target 'SwiftUITabsView' in project 'swiftui-tabs-view'
    Target 'SwiftUITabsView' in project 'swiftui-tabs-view' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: ff5807b55f2c16322c50634423a88f37
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ff5807b55f2c16322c50634423a88f37.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/CompilationCache.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/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
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PrecompiledHeaders
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/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/EagerLinkingTBDs/Debug-watchos
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug-watchos
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.DependencyMetadataFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.modulemap (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.DependencyStaticMetadataFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_const_extract_protocols.json (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.LinkFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-OutputFileMap.json (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.SwiftFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.SwiftConstValuesFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView_const_extract_protocols.json (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.SwiftConstValuesFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.SwiftFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.LinkFileList (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-OutputFileMap.json (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-OutputFileMap.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos/SwiftUITabsView.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.modulemap (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/SwiftUITabsView.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps-watchos
SwiftDriver SwiftUITabsView normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftUITabsView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView_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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver SwiftUITabsView normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftUITabsView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64_32-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/DeveloperToolsSupport-DZU5G1OCMNWU0AQRULIFHUJ1Z.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_float-6KO8O3PEWRCA4WC6PPLOYO6WJ.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-7ELIH9BTIGVKX3UBITM9N72WD.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ptrcheck-AIF0NDOYZ8ORBNHQAQR5NNB8M.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-2GWF9RFMPLQW4PDHS3NARVI3G.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation1-7SPX3MD0HMP55E4OLNCPNDQ53.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_limits-3VKBU2AFTD65PAJZ5CJ3LHFM2.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_DarwinFoundation2-D0XAPJU49S5E9XMKYOFGSTB1Q.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/_Builtin_inttypes-3UQSCM7WNM9EK4HZML8TY5J3D.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-3FVT1SKLN2ZQ5RVOABMTQBB34.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Darwin-3984OXKFNSPE77NT743WK8SEX.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/ObjectiveC-72IVD3VS2RS8Q28D9PIMY0KQP.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-5YWTC6L4756IWSTPGXS5NM0D0.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_object-3SDKD7F87FTZ26OON37DRYT6O.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-5JHTPDMNBUNHLJI8LPHKQK1JK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os_workgroup-89GG5G7YC2D0ZTK6AZXXQ20DH.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Spatial-44FJGYXFAT2AQAW9Z6T7YS02U.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/XPC-81Y45QFY96XYYFCW2GT6FY8S4.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreFoundation-8E6Y4BA3EXYKUGJ24GT9LGV3N.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os-E5IGB442IA6SBB25TTCOLK2OC.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/os-5DIL6Z9LFIGLMZAHM7X2T5435.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreGraphics-9FDXYX6BKBUT6TJ2VF819E7T5.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Security-D7TOWF88VWF67TB9HAFP5UWB1.pcm
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/Foundation-DLBKUSGXN8QHAT8W0OARR9S8A.pcm
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SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreMotion-1XGTVTE5PP32UHME8AC63TL6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/CoreMotion-6RD5K48QT1F4L9CATNFD2O7YB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUICore-C1DST1IX2Z0PTH5SJJZ1IULRB.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/UIKit-6PPV7YPZ89CZPHYAP072QH8B6.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUICore-3Q7WLRD8MR9R3NGIPUBQCP6F6.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/UIKit-27R3P1YMV4C6JLDT661G3MRIA.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/HomeKit-DUDZOMSN3UK8GNTNBNMPIWJRN.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/MapKit-CWGB4YMP1VX1NYQN5FULFD5DR.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/HomeKit-DTS1N4AWILAL1URZ5IOXV5221.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/MapKit-EJJWC7IL56MPLQMI93GJRE5OG.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/WatchKit-FHF6WTKLC2APGK3LA2XJ6516.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/WatchKit-3VT3K8YON6FJ6OWSUFJMFMP8J.pcm
SwiftExplicitDependencyGeneratePcm arm64_32 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUI-9AYG9OCT5VOJK7V4MX1WYR86T.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules/SwiftUI-APXDH8ULYLM6FD17YRA73TULO.pcm
SwiftCompile normal arm64_32 Compiling\ TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarView.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift:79:18: error: 'thinMaterial' is only available in watchOS 10.0 or newer
 2 |
 3 | /// Displays bar with items that allows switching between provided tabs.
 4 | public struct TabsBarView<Tab, BarItem>: View
   |               `- note: add '@available' attribute to enclosing generic struct
 5 | where Tab: Equatable & Identifiable,
 6 |       BarItem: View
   :
70 |   }
71 |
72 |   public var body: some View {
   |              `- note: add '@available' attribute to enclosing property
73 |     HStack(spacing: 0) {
74 |       ForEach(tabs) { tab in
   :
77 |     }
78 |     .overlay(Divider().frame(maxHeight: .infinity, alignment: dividerAlignment))
79 |     .background(.thinMaterial)
   |                  |- error: 'thinMaterial' is only available in watchOS 10.0 or newer
   |                  `- note: add 'if #available' version check
80 |   }
81 | }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarView.dia -target arm64_32-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-dependencies-1.json -enable-objc-interop -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUITabsView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_const_extract_protocols.json -disable-clang-spi -clang-target arm64_32-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.swiftmodule -index-unit-output-path /swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftEmitModule normal arm64_32 Emitting\ module\ for\ SwiftUITabsView (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ TabsBarSafeAreaInsetViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarSafeAreaInsetViewModifier.swift
SwiftCompile normal arm64_32 Compiling\ TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift:54:37: error: 'thinMaterial' is only available in watchOS 10.0 or newer
 2 |
 3 | /// Tabs bar item representing provided tab with a given label.
 4 | public struct TabsBarItemView<Tab, Label>: View
   |               `- note: add '@available' attribute to enclosing generic struct
 5 | where Tab: Equatable,
 6 |       Label: View
   :
42 |   var label: (Tab, Bool) -> Label
43 |
44 |   public var body: some View {
   |              `- note: add '@available' attribute to enclosing property
45 |     Button(action: { selectedTab = tab }) {
46 |       Spacer(minLength: 0)
   :
52 |         .background {
53 |           if selectedTab == tab {
54 |             Color.clear.background(.thinMaterial)
   |                                     |- error: 'thinMaterial' is only available in watchOS 10.0 or newer
   |                                     `- note: add 'if #available' version check
55 |           }
56 |         }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarItemView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarItemView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarItemView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarItemView.dia -target arm64_32-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-dependencies-1.json -enable-objc-interop -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUITabsView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_const_extract_protocols.json -disable-clang-spi -clang-target arm64_32-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarItemView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.swiftmodule -index-unit-output-path /swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/TabsBarItemView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarItemView.swift
SwiftCompile normal arm64_32 Compiling\ ToolbarViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift:144:22: error: 'ultraThinMaterial' is only available in watchOS 10.0 or newer
124 |
125 | #if DEBUG
126 | struct ToolbarViewModifier_Previews: PreviewProvider {
    |        `- note: add '@available' attribute to enclosing struct
127 |   static var previews: some View {
    |              `- note: add '@available' attribute to enclosing static property
128 |     ScrollView {
129 |       VStack(alignment: .leading, spacing: 0) {
    :
142 |         .padding()
143 |         .frame(maxWidth: .infinity)
144 |         .background(.ultraThinMaterial)
    |                      |- error: 'ultraThinMaterial' is only available in watchOS 10.0 or newer
    |                      `- note: add 'if #available' version check
145 |     }
146 |     #if os(macOS)
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/ToolbarViewModifier.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/ToolbarViewModifier.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/ToolbarViewModifier.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/ToolbarViewModifier.dia -target arm64_32-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-dependencies-1.json -enable-objc-interop -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUITabsView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_const_extract_protocols.json -disable-clang-spi -clang-target arm64_32-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/ToolbarViewModifier.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.swiftmodule -index-unit-output-path /swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/ToolbarViewModifier.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile ToolbarViewModifier.swift
SwiftCompile normal arm64_32 Compiling\ TabsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsView.swift
SwiftCompile normal arm64_32 Compiling\ GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile GeometryReaderViewModifier.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftUITabsView (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift:54:37: error: 'thinMaterial' is only available in watchOS 10.0 or newer
 2 |
 3 | /// Tabs bar item representing provided tab with a given label.
 4 | public struct TabsBarItemView<Tab, Label>: View
   |               `- note: add '@available' attribute to enclosing generic struct
 5 | where Tab: Equatable,
 6 |       Label: View
   :
42 |   var label: (Tab, Bool) -> Label
43 |
44 |   public var body: some View {
   |              `- note: add '@available' attribute to enclosing property
45 |     Button(action: { selectedTab = tab }) {
46 |       Spacer(minLength: 0)
   :
52 |         .background {
53 |           if selectedTab == tab {
54 |             Color.clear.background(.thinMaterial)
   |                                     |- error: 'thinMaterial' is only available in watchOS 10.0 or newer
   |                                     `- note: add 'if #available' version check
55 |           }
56 |         }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarItemView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarItemView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarItemView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarItemView.dia -target arm64-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-dependencies-2.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUITabsView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarItemView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.swiftmodule -index-unit-output-path /swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarItemView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarItemView.swift
SwiftCompile normal arm64 Compiling\ GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile GeometryReaderViewModifier.swift
SwiftCompile normal arm64 Compiling\ TabsBarSafeAreaInsetViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarSafeAreaInsetViewModifier.swift
SwiftDriverJobDiscovery normal arm64_32 Emitting module for SwiftUITabsView (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 Compiling\ TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift:79:18: error: 'thinMaterial' is only available in watchOS 10.0 or newer
 2 |
 3 | /// Displays bar with items that allows switching between provided tabs.
 4 | public struct TabsBarView<Tab, BarItem>: View
   |               `- note: add '@available' attribute to enclosing generic struct
 5 | where Tab: Equatable & Identifiable,
 6 |       BarItem: View
   :
70 |   }
71 |
72 |   public var body: some View {
   |              `- note: add '@available' attribute to enclosing property
73 |     HStack(spacing: 0) {
74 |       ForEach(tabs) { tab in
   :
77 |     }
78 |     .overlay(Divider().frame(maxHeight: .infinity, alignment: dividerAlignment))
79 |     .background(.thinMaterial)
   |                  |- error: 'thinMaterial' is only available in watchOS 10.0 or newer
   |                  `- note: add 'if #available' version check
80 |   }
81 | }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.dia -target arm64-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-dependencies-2.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUITabsView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.swiftmodule -index-unit-output-path /swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarView.swift
SwiftDriverJobDiscovery normal arm64 Emitting module for SwiftUITabsView (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftDriver\ Compilation\ Requirements SwiftUITabsView normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-Swift-Compilation-Requirements -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftUITabsView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64_32-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
2026-09-17 23:18:40.728 xcodebuild[695:4304] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:18:40.868 xcodebuild[695:4304] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64_32 Compiling\ TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64_32 Compiling\ TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64_32 Compiling\ ToolbarViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64 Compiling\ TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64 Compiling\ TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	Building workspace swiftui-tabs-view with scheme swiftui-tabs-view
(11 failures)
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  swiftui-tabs-view: /Users/admin/builder/spi-builder-workspace
resolved source packages: swiftui-tabs-view
2026-09-17 23:18:52.000 xcodebuild[847:4881] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:18:52.103 xcodebuild[847:4881] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swiftui-tabs-view",
  "name" : "swiftui-tabs-view",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftUITabsView",
      "targets" : [
        "SwiftUITabsView"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftUITabsView",
      "module_type" : "SwiftTarget",
      "name" : "SwiftUITabsView",
      "path" : "Sources/SwiftUITabsView",
      "product_memberships" : [
        "SwiftUITabsView"
      ],
      "sources" : [
        "GeometryReaderViewModifier.swift",
        "TabsBarItemView.swift",
        "TabsBarSafeAreaInsetViewModifier.swift",
        "TabsBarView.swift",
        "TabsView.swift",
        "ToolbarViewModifier.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "swiftui-tabs-view",
    "schemes" : [
      "swiftui-tabs-view",
      "SwiftUITabsView"
    ]
  }
}
2026-09-17 23:18:53.161 xcodebuild[855:4952] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:18:53.262 xcodebuild[855:4952] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
{
  "workspace" : {
    "name" : "swiftui-tabs-view",
    "schemes" : [
      "swiftui-tabs-view",
      "SwiftUITabsView"
    ]
  }
}
2026-09-17 23:18:54.090 xcodebuild[857:4983] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:18:54.196 xcodebuild[857:4983] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme swiftui-tabs-view -destination generic/platform=watchOS
Command line invocation:
    /Applications/Xcode-27.0.0-Release.Candidate.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 swiftui-tabs-view -destination generic/platform=watchOS
Resolve Package Graph
Resolved source packages:
  swiftui-tabs-view: /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 'SwiftUITabsView-product' in project 'swiftui-tabs-view'
        ➜ Explicit dependency on target 'SwiftUITabsView' in project 'swiftui-tabs-view'
    Target 'SwiftUITabsView' in project 'swiftui-tabs-view' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache
SwiftDriver SwiftUITabsView normal arm64 com.apple.xcode.tools.swift.compiler (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftUITabsView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView_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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftDriver SwiftUITabsView normal arm64_32 com.apple.xcode.tools.swift.compiler (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -parse-as-library -module-name SwiftUITabsView -Onone @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -target arm64_32-apple-watchos9.0 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -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-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-OutputFileMap.json -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/SDKExplicitPrecompiledModules -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView.swiftmodule -serialize-diagnostics -dependency-scan-serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-dependency-scan.dia -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -emit-const-values -const-gather-protocols-list /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView_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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64_32 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64_32/SwiftUITabsView-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ TabsBarSafeAreaInsetViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarSafeAreaInsetViewModifier.swift
SwiftEmitModule normal arm64 Emitting\ module\ for\ SwiftUITabsView (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64 Compiling\ TabsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsView.swift
SwiftCompile normal arm64 Compiling\ TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift:79:18: error: 'thinMaterial' is only available in watchOS 10.0 or newer
 2 |
 3 | /// Displays bar with items that allows switching between provided tabs.
 4 | public struct TabsBarView<Tab, BarItem>: View
   |               `- note: add '@available' attribute to enclosing generic struct
 5 | where Tab: Equatable & Identifiable,
 6 |       BarItem: View
   :
70 |   }
71 |
72 |   public var body: some View {
   |              `- note: add '@available' attribute to enclosing property
73 |     HStack(spacing: 0) {
74 |       ForEach(tabs) { tab in
   :
77 |     }
78 |     .overlay(Divider().frame(maxHeight: .infinity, alignment: dividerAlignment))
79 |     .background(.thinMaterial)
   |                  |- error: 'thinMaterial' is only available in watchOS 10.0 or newer
   |                  `- note: add 'if #available' version check
80 |   }
81 | }
Failed frontend command:
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift -primary-file /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.d -emit-const-values-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.swiftconstvalues -emit-reference-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.swiftdeps -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.dia -target arm64-apple-watchos9.0 -disable-cross-import-overlay-search -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/bin/swift-plugin-server\#SwiftUIMacros -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView-dependencies-2.json -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -Isystem /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug-watchos -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/Library/Frameworks -F /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS27.0.sdk/Developer/Library/Frameworks -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 5 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -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/watchos27.0-24R360-e829b21a6f8c9b70876ba0858053c04477534ef55a1706bf4c1112bbb242f0a2.sdkstatcache -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -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/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftUITabsView -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView_const_extract_protocols.json -disable-clang-spi -clang-target arm64-apple-watchos27.0 -target-sdk-version 27.0 -target-sdk-name watchos27.0 -in-process-plugin-server-path /Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.o -debug-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/SwiftUITabsView.swiftmodule -index-unit-output-path /swiftui-tabs-view.build/Debug-watchos/SwiftUITabsView-t.build/Objects-normal/arm64/TabsBarView.o -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarView.swift
SwiftCompile normal arm64 Compiling\ TabsBarItemView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarItemView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarItemView.swift
SwiftCompile normal arm64 Compiling\ GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile GeometryReaderViewModifier.swift
SwiftCompile normal arm64 Compiling\ ToolbarViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile ToolbarViewModifier.swift
SwiftEmitModule normal arm64_32 Emitting\ module\ for\ SwiftUITabsView (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftCompile normal arm64_32 Compiling\ GeometryReaderViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/GeometryReaderViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile GeometryReaderViewModifier.swift
SwiftCompile normal arm64_32 Compiling\ TabsBarSafeAreaInsetViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarSafeAreaInsetViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile TabsBarSafeAreaInsetViewModifier.swift
SwiftCompile normal arm64_32 Compiling\ ToolbarViewModifier.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
SwiftCompile normal arm64_32 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/ToolbarViewModifier.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftPerFileCompile ToolbarViewModifier.swift
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/SDKExplicitPrecompiledModules
PruneExplicitPrecompiledModules /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/ExplicitPrecompiledModules
2026-09-17 23:18:54.989 xcodebuild[858:5007] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
2026-09-17 23:18:55.094 xcodebuild[858:5007] [MT] IDERunDestination: Supported platforms for the buildables in the current scheme is empty.
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 Compiling\ TabsBarView.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUITabsView/TabsBarView.swift (in target 'SwiftUITabsView' from project 'swiftui-tabs-view')
	Building workspace swiftui-tabs-view with scheme swiftui-tabs-view
(3 failures)
BUILD FAILURE 6.4 watchOS