FeatureFlagsController – Build Information

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Build Information

Failed to build FeatureFlagsController, reference 1.0.1 (2a1e5e), with Swift 6.2 (beta) for macOS (Xcode) using Xcode 26.0 on 19 Jun 2025 15:11:43 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FeatureFlagsController -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/DataDog/FeatureFlagsController-iOS.git
Reference: 1.0.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/DataDog/FeatureFlagsController-iOS
 * tag               1.0.1      -> FETCH_HEAD
HEAD is now at 2a1e5ee Version 1.0.1
Cloned https://github.com/DataDog/FeatureFlagsController-iOS.git
Revision (git rev-parse @):
2a1e5ee046e2754d04beb73cd258f4ca52d502a6
SUCCESS checkout https://github.com/DataDog/FeatureFlagsController-iOS.git at 1.0.1
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/DataDog/FeatureFlagsController-iOS.git
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FeatureFlagsController",
  "name" : "FeatureFlagsController",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "FeatureFlagsController",
      "targets" : [
        "FeatureFlagsController"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FeatureFlagsControllerTests",
      "module_type" : "SwiftTarget",
      "name" : "FeatureFlagsControllerTests",
      "path" : "Tests/FeatureFlagsControllerTests",
      "sources" : [
        "FeatureFlagsControllerTests.swift"
      ],
      "target_dependencies" : [
        "FeatureFlagsController"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FeatureFlagsController",
      "module_type" : "SwiftTarget",
      "name" : "FeatureFlagsController",
      "path" : "Sources/FeatureFlagsController",
      "product_memberships" : [
        "FeatureFlagsController"
      ],
      "sources" : [
        "FeatureFlag.swift",
        "FeatureFlagType.swift",
        "FeatureFlagsController.swift",
        "Flag Types/CountFeatureFlag.swift",
        "Flag Types/FeatureFlagsGroup.swift",
        "Flag Types/PickerFeatureFlag.swift",
        "Flag Types/ToggleFeatureFlag.swift",
        "UI/FeatureFlagViewFactory.swift",
        "UI/FeatureFlagsView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "FeatureFlagsController",
    "schemes" : [
      "FeatureFlagsController-iOS",
      "FeatureFlagsController-macOS",
      "FeatureFlagsController-tvOS",
      "FeatureFlagsController-watchOS"
    ],
    "targets" : [
      "FeatureFlagsController-iOS",
      "FeatureFlagsController-iOS Tests"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "FeatureFlagsController"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FeatureFlagsController -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 FeatureFlagsController -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  FeatureFlagsController: /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 'FeatureFlagsController' in project 'FeatureFlagsController'
        ➜ Explicit dependency on target 'FeatureFlagsController' in project 'FeatureFlagsController'
    Target 'FeatureFlagsController' in project 'FeatureFlagsController' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 8ef6249a013dc47a6944db6f7ecd25ee
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/8ef6249a013dc47a6944db6f7ecd25ee.xcbuilddata
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    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
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.modulemap (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.DependencyStaticMetadataFileList (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.DependencyMetadataFileList (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-OutputFileMap.json (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController_const_extract_protocols.json (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.LinkFileList (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.SwiftFileList (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.SwiftConstValuesFileList (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.SwiftConstValuesFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/FeatureFlagsController.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.modulemap (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    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/FeatureFlagsController.build/Debug/FeatureFlagsController.build/FeatureFlagsController.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver FeatureFlagsController normal arm64 com.apple.xcode.tools.swift.compiler (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name FeatureFlagsController -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.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/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
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SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Foundation-2AI4IIFGG13NJB8A41NV2MF78.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/DataDetection-5T7GHUQU58UKWFQNB2GAB37TQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreData-2VDD5DGXSFXFYAFCURRRLCNZH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Accessibility-DDPGYLXY21H794JRYT4O5LLF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/OSLog-EL7ZOBC6NM9PETBVVJ6E17R4R.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Symbols-9XJZ4P20L95D2PKL7SUMCPNCP.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/IOSurface-9LQDWZH5Y0ZB4RWUFFKDZ23OR.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreTransferable-4WBNZTZACNE6TBAY73Y6K50U5.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ApplicationServices-80KYHHX1R2VRVAU4W8EZDEEOR.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/UniformTypeIdentifiers-DQ8B56HX9H30U1VC4FR7MUR73.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Metal-8K6OGVANM2PHZ1ZLR2FDCDNJ5.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreVideo-31SCFGOSZHI37ZN5T6VDOBDWG.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreImage-5DNTT2TYSH7S2BIIFP4WY094L.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/QuartzCore-91DS2RXYOJ8S506PBOGG46MQO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftUICore-743YT5N6M7AW630GU6OBDXXS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/AppKit-F2SGBH32805IRS4IQPGIRRYWD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftUI-DC9S0GEI0MZI50CQRK6M7H77H.pcm
SwiftCompile normal arm64 Compiling\ PickerFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/PickerFeatureFlag.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/PickerFeatureFlag.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ FeatureFlagsController (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
Failed frontend command:
/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/CountFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/FeatureFlagsGroup.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/PickerFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/ToggleFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagViewFactory.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift -target arm64-apple-macos10.13 -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.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/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name FeatureFlagsController -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.0 -target-sdk-name macosx26.0 -clang-target arm64-apple-macos26.0 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.abi.json
EmitSwiftModule normal arm64 (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:13:6: error: 'StateObject' is only available in macOS 11.0 or newer
    @StateObject private var registration: Registration
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:12:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlag<F: FeatureFlagType>: DynamicProperty {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:31:10: error: 'Published' is only available in macOS 10.15 or newer
        @Published var value: F.Value
         ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:29:19: note: add @available attribute to enclosing class
    private class Registration: ObservableObject {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:29:19: note: add @available attribute to enclosing class
    private class Registration: ObservableObject {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:33:34: error: 'AnyCancellable' is only available in macOS 10.15 or newer
        private var cancellable: AnyCancellable?
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:29:19: note: add @available attribute to enclosing class
    private class Registration: ObservableObject {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:14:34: error: 'View' is only available in macOS 10.15 or newer
    associatedtype View: SwiftUI.View
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:14:20: note: add @available attribute to enclosing associated type
    associatedtype View: SwiftUI.View
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:12:17: note: add @available attribute to enclosing protocol
public protocol FeatureFlagType {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:20:25: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var valuePublisher: AnyPublisher<Value, Never> { get }
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:20:9: note: add @available attribute to enclosing property
    var valuePublisher: AnyPublisher<Value, Never> { get }
        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:12:17: note: add @available attribute to enclosing protocol
public protocol FeatureFlagType {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:27:31: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public func register() -> AnyPublisher<Value, Never> {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:27:17: note: add @available attribute to enclosing instance method
    public func register() -> AnyPublisher<Value, Never> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:25:1: note: add @available attribute to enclosing extension
extension FeatureFlagType {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:31:30: error: 'Binding' is only available in macOS 10.15 or newer
    public var valueBinding: Binding<Value> {
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:31:16: note: add @available attribute to enclosing property
    public var valueBinding: Binding<Value> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:25:1: note: add @available attribute to enclosing extension
extension FeatureFlagType {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:18:10: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    ) -> AnyPublisher<F.Value, Never> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:16:19: note: add @available attribute to enclosing instance method
    internal func register<F: FeatureFlagType>(
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:43:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:50:10: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    ) -> AnyPublisher<F.Value, Never>? {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:48:18: note: add @available attribute to enclosing instance method
    private func publisher<F: FeatureFlagType>(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:55:22: error: 'AnyPublisher' is only available in macOS 10.15 or newer
        _ publisher: AnyPublisher<F.Value, Never>,
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:54:18: note: add @available attribute to enclosing instance method
    private func addPublisher<F: FeatureFlagType>(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:46: error: 'ObservableObject' is only available in macOS 10.15 or newer
internal final class FeatureFlagsController: ObservableObject {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:41:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Int, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:41:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Int, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct CountFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:49:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:49:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct CountFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:33:43: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    private var valuePublishers: [String: AnyPublisher<Value, Never>] {
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:33:17: note: add @available attribute to enclosing property
    private var valuePublishers: [String: AnyPublisher<Value, Never>] {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:37:39: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    private var activeValuePublisher: AnyPublisher<Value, Never> {
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:37:17: note: add @available attribute to enclosing property
    private var activeValuePublisher: AnyPublisher<Value, Never> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:47:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Value, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:47:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Value, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:60:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:60:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:81:6: error: 'State' is only available in macOS 10.15 or newer
    @State var refreshCount: Int = 0
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:77:16: note: add @available attribute to enclosing generic struct
private struct FeatureFlagsGroupDetailView<First: FeatureFlagType, Second: FeatureFlagType>: View where First.Value == Second.Value {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:83:38: error: 'Binding' is only available in macOS 10.15 or newer
    private var activeFeatureFlagID: Binding<String> {
                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:83:17: note: add @available attribute to enclosing property
    private var activeFeatureFlagID: Binding<String> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:77:16: note: add @available attribute to enclosing generic struct
private struct FeatureFlagsGroupDetailView<First: FeatureFlagType, Second: FeatureFlagType>: View where First.Value == Second.Value {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:92:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:92:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:77:16: note: add @available attribute to enclosing generic struct
private struct FeatureFlagsGroupDetailView<First: FeatureFlagType, Second: FeatureFlagType>: View where First.Value == Second.Value {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:44:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Value, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:44:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Value, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:15: note: add @available attribute to enclosing generic struct
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:52:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:52:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:15: note: add @available attribute to enclosing generic struct
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:47: error: 'PickerStyle' is only available in macOS 10.15 or newer
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:15: note: add @available attribute to enclosing generic struct
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:66:44: error: 'DefaultPickerStyle' is only available in macOS 10.15 or newer
extension PickerFeatureFlag where Style == DefaultPickerStyle {
                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:66:1: note: add @available attribute to enclosing extension
extension PickerFeatureFlag where Style == DefaultPickerStyle {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:73:41: error: 'View' is only available in macOS 10.15 or newer
    fileprivate func makeView() -> some View {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:73:22: note: add @available attribute to enclosing instance method
    fileprivate func makeView() -> some View {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:72:1: note: add @available attribute to enclosing extension
extension RawRepresentable where Self: Hashable, RawValue == String {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:80:45: error: 'PickerStyle' is only available in macOS 10.15 or newer
    public static func picker<Value, Style: PickerStyle>(
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:80:24: note: add @available attribute to enclosing static method
    public static func picker<Value, Style: PickerStyle>(
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:79:1: note: add @available attribute to enclosing extension
extension FeatureFlagType {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:89:31: error: 'PickerStyle' is only available in macOS 10.15 or newer
    public init<Value, Style: PickerStyle>(
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:89:12: note: add @available attribute to enclosing initializer
    public init<Value, Style: PickerStyle>(
           ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:88:1: note: add @available attribute to enclosing extension
extension FeatureFlag {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:40:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Bool, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:40:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Bool, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct ToggleFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:48:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:48:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct ToggleFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagViewFactory.swift:14:25: error: 'AnyView' is only available in macOS 10.15 or newer
    let makeView: () -> AnyView
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagViewFactory.swift:10:17: note: add @available attribute to enclosing struct
internal struct FeatureFlagViewFactory {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:13:6: error: 'ObservedObject' is only available in macOS 10.15 or newer
    @ObservedObject
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:9:15: note: add @available attribute to enclosing struct
public struct FeatureFlagsView: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:28:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:28:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:9:15: note: add @available attribute to enclosing struct
public struct FeatureFlagsView: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:45:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:45:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:44:8: note: add @available attribute to enclosing struct
struct FeatureFlagsView_Previews: PreviewProvider {
       ^
SwiftCompile normal arm64 Compiling\ FeatureFlagsView.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

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

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

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ FeatureFlagsController (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
	EmitSwiftModule normal arm64 (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
	Building workspace spi-builder-workspace with scheme FeatureFlagsController
(3 failures)
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  FeatureFlagsController: /Users/admin/builder/spi-builder-workspace
resolved source packages: FeatureFlagsController
{
  "dependencies" : [
  ],
  "manifest_display_name" : "FeatureFlagsController",
  "name" : "FeatureFlagsController",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "FeatureFlagsController",
      "targets" : [
        "FeatureFlagsController"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FeatureFlagsControllerTests",
      "module_type" : "SwiftTarget",
      "name" : "FeatureFlagsControllerTests",
      "path" : "Tests/FeatureFlagsControllerTests",
      "sources" : [
        "FeatureFlagsControllerTests.swift"
      ],
      "target_dependencies" : [
        "FeatureFlagsController"
      ],
      "type" : "test"
    },
    {
      "c99name" : "FeatureFlagsController",
      "module_type" : "SwiftTarget",
      "name" : "FeatureFlagsController",
      "path" : "Sources/FeatureFlagsController",
      "product_memberships" : [
        "FeatureFlagsController"
      ],
      "sources" : [
        "FeatureFlag.swift",
        "FeatureFlagType.swift",
        "FeatureFlagsController.swift",
        "Flag Types/CountFeatureFlag.swift",
        "Flag Types/FeatureFlagsGroup.swift",
        "Flag Types/PickerFeatureFlag.swift",
        "Flag Types/ToggleFeatureFlag.swift",
        "UI/FeatureFlagViewFactory.swift",
        "UI/FeatureFlagsView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "FeatureFlagsController"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme FeatureFlagsController -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-26.0.0-Beta.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 FeatureFlagsController -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  FeatureFlagsController: /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 'FeatureFlagsController' in project 'FeatureFlagsController'
        ➜ Explicit dependency on target 'FeatureFlagsController' in project 'FeatureFlagsController'
    Target 'FeatureFlagsController' in project 'FeatureFlagsController' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache
SwiftDriver FeatureFlagsController normal arm64 com.apple.xcode.tools.swift.compiler (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name FeatureFlagsController -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DSWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -DXcode -plugin-path /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -c -j10 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -explicit-module-build -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -clang-scanner-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -sdk-module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController_const_extract_protocols.json -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.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/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ FeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

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

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

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ FeatureFlagsController (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
Failed frontend command:
/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/CountFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/FeatureFlagsGroup.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/PickerFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/ToggleFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagViewFactory.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift -target arm64-apple-macos10.13 -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libFoundationMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#FoundationMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libObservationMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#ObservationMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libPreviewsMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#PreviewsMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server\#SwiftMacros -load-resolved-plugin /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins/libSwiftUIMacros.dylib\#/Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.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/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-dependencies-1.json -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX26.0.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-26.0.0-Beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -Xcc -fno-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/SwiftExplicitPrecompiledModules -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -enable-anonymous-context-mangled-names -file-compilation-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -Xcc -ivfsstatcache -Xcc /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx26.0-25A5279m-f7c1d129d9d5414f2afbbad1fd6fd62e.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/swift-overrides.hmap -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name FeatureFlagsController -frontend-parseable-output -disable-clang-spi -target-sdk-version 26.0 -target-sdk-name macosx26.0 -clang-target arm64-apple-macos26.0 -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/FeatureFlagsController.build/Debug/FeatureFlagsController.build/Objects-normal/arm64/FeatureFlagsController.abi.json
EmitSwiftModule normal arm64 (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:13:6: error: 'StateObject' is only available in macOS 11.0 or newer
    @StateObject private var registration: Registration
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:12:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlag<F: FeatureFlagType>: DynamicProperty {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:31:10: error: 'Published' is only available in macOS 10.15 or newer
        @Published var value: F.Value
         ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:29:19: note: add @available attribute to enclosing class
    private class Registration: ObservableObject {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:29:19: note: add @available attribute to enclosing class
    private class Registration: ObservableObject {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:33:34: error: 'AnyCancellable' is only available in macOS 10.15 or newer
        private var cancellable: AnyCancellable?
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlag.swift:29:19: note: add @available attribute to enclosing class
    private class Registration: ObservableObject {
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:14:34: error: 'View' is only available in macOS 10.15 or newer
    associatedtype View: SwiftUI.View
                                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:14:20: note: add @available attribute to enclosing associated type
    associatedtype View: SwiftUI.View
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:12:17: note: add @available attribute to enclosing protocol
public protocol FeatureFlagType {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:20:25: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var valuePublisher: AnyPublisher<Value, Never> { get }
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:20:9: note: add @available attribute to enclosing property
    var valuePublisher: AnyPublisher<Value, Never> { get }
        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:12:17: note: add @available attribute to enclosing protocol
public protocol FeatureFlagType {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:27:31: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public func register() -> AnyPublisher<Value, Never> {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:27:17: note: add @available attribute to enclosing instance method
    public func register() -> AnyPublisher<Value, Never> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:25:1: note: add @available attribute to enclosing extension
extension FeatureFlagType {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:31:30: error: 'Binding' is only available in macOS 10.15 or newer
    public var valueBinding: Binding<Value> {
                             ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:31:16: note: add @available attribute to enclosing property
    public var valueBinding: Binding<Value> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagType.swift:25:1: note: add @available attribute to enclosing extension
extension FeatureFlagType {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:18:10: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    ) -> AnyPublisher<F.Value, Never> {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:16:19: note: add @available attribute to enclosing instance method
    internal func register<F: FeatureFlagType>(
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:43:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:50:10: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    ) -> AnyPublisher<F.Value, Never>? {
         ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:48:18: note: add @available attribute to enclosing instance method
    private func publisher<F: FeatureFlagType>(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:55:22: error: 'AnyPublisher' is only available in macOS 10.15 or newer
        _ publisher: AnyPublisher<F.Value, Never>,
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:54:18: note: add @available attribute to enclosing instance method
    private func addPublisher<F: FeatureFlagType>(
                 ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:46: error: 'ObservableObject' is only available in macOS 10.15 or newer
internal final class FeatureFlagsController: ObservableObject {
                                             ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/FeatureFlagsController.swift:11:22: note: add @available attribute to enclosing class
internal final class FeatureFlagsController: ObservableObject {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:41:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Int, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:41:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Int, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct CountFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:49:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:49:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/CountFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct CountFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:33:43: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    private var valuePublishers: [String: AnyPublisher<Value, Never>] {
                                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:33:17: note: add @available attribute to enclosing property
    private var valuePublishers: [String: AnyPublisher<Value, Never>] {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:37:39: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    private var activeValuePublisher: AnyPublisher<Value, Never> {
                                      ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:37:17: note: add @available attribute to enclosing property
    private var activeValuePublisher: AnyPublisher<Value, Never> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:47:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Value, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:47:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Value, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:60:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:60:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:11:15: note: add @available attribute to enclosing generic struct
public struct FeatureFlagsGroup<First: FeatureFlagType, Second: FeatureFlagType>: FeatureFlagType where First.Value == Second.Value {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:81:6: error: 'State' is only available in macOS 10.15 or newer
    @State var refreshCount: Int = 0
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:77:16: note: add @available attribute to enclosing generic struct
private struct FeatureFlagsGroupDetailView<First: FeatureFlagType, Second: FeatureFlagType>: View where First.Value == Second.Value {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:83:38: error: 'Binding' is only available in macOS 10.15 or newer
    private var activeFeatureFlagID: Binding<String> {
                                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:83:17: note: add @available attribute to enclosing property
    private var activeFeatureFlagID: Binding<String> {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:77:16: note: add @available attribute to enclosing generic struct
private struct FeatureFlagsGroupDetailView<First: FeatureFlagType, Second: FeatureFlagType>: View where First.Value == Second.Value {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:92:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:92:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/FeatureFlagsGroup.swift:77:16: note: add @available attribute to enclosing generic struct
private struct FeatureFlagsGroupDetailView<First: FeatureFlagType, Second: FeatureFlagType>: View where First.Value == Second.Value {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:44:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Value, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:44:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Value, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:15: note: add @available attribute to enclosing generic struct
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:52:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:52:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:15: note: add @available attribute to enclosing generic struct
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:47: error: 'PickerStyle' is only available in macOS 10.15 or newer
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
                                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:11:15: note: add @available attribute to enclosing generic struct
public struct PickerFeatureFlag<Value, Style: PickerStyle>: FeatureFlagType where
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:66:44: error: 'DefaultPickerStyle' is only available in macOS 10.15 or newer
extension PickerFeatureFlag where Style == DefaultPickerStyle {
                                           ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:66:1: note: add @available attribute to enclosing extension
extension PickerFeatureFlag where Style == DefaultPickerStyle {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:73:41: error: 'View' is only available in macOS 10.15 or newer
    fileprivate func makeView() -> some View {
                                        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:73:22: note: add @available attribute to enclosing instance method
    fileprivate func makeView() -> some View {
                     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:72:1: note: add @available attribute to enclosing extension
extension RawRepresentable where Self: Hashable, RawValue == String {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:80:45: error: 'PickerStyle' is only available in macOS 10.15 or newer
    public static func picker<Value, Style: PickerStyle>(
                                            ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:80:24: note: add @available attribute to enclosing static method
    public static func picker<Value, Style: PickerStyle>(
                       ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:79:1: note: add @available attribute to enclosing extension
extension FeatureFlagType {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:89:31: error: 'PickerStyle' is only available in macOS 10.15 or newer
    public init<Value, Style: PickerStyle>(
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:89:12: note: add @available attribute to enclosing initializer
    public init<Value, Style: PickerStyle>(
           ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/PickerFeatureFlag.swift:88:1: note: add @available attribute to enclosing extension
extension FeatureFlag {
^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:40:32: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    public var valuePublisher: AnyPublisher<Bool, Never> {
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:40:16: note: add @available attribute to enclosing property
    public var valuePublisher: AnyPublisher<Bool, Never> {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct ToggleFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:48:27: error: 'View' is only available in macOS 10.15 or newer
    public var view: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:48:16: note: add @available attribute to enclosing property
    public var view: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag Types/ToggleFeatureFlag.swift:11:15: note: add @available attribute to enclosing struct
public struct ToggleFeatureFlag: FeatureFlagType {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagViewFactory.swift:14:25: error: 'AnyView' is only available in macOS 10.15 or newer
    let makeView: () -> AnyView
                        ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagViewFactory.swift:10:17: note: add @available attribute to enclosing struct
internal struct FeatureFlagViewFactory {
                ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:13:6: error: 'ObservedObject' is only available in macOS 10.15 or newer
    @ObservedObject
     ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:9:15: note: add @available attribute to enclosing struct
public struct FeatureFlagsView: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:28:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:28:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:9:15: note: add @available attribute to enclosing struct
public struct FeatureFlagsView: View {
              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:45:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:45:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/UI/FeatureFlagsView.swift:44:8: note: add @available attribute to enclosing struct
struct FeatureFlagsView_Previews: PreviewProvider {
       ^
SwiftCompile normal arm64 Compiling\ CountFeatureFlag.swift /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/CountFeatureFlag.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/FeatureFlagsController/Flag\ Types/CountFeatureFlag.swift (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:4b2f5c97bdb46427ad0ba044b2296cf3a1dd55c6, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ FeatureFlagsController (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
	EmitSwiftModule normal arm64 (in target 'FeatureFlagsController' from project 'FeatureFlagsController')
	Building workspace spi-builder-workspace with scheme FeatureFlagsController
(3 failures)
BUILD FAILURE 6.2 macosXcodebuild