The Swift Package Index logo.Swift Package Index

Has it really been five years since Swift Package Index launched? Read our anniversary blog post!

Build Information

Failed to build PianoKeyboard, reference master (a91f95), with Swift 6.2 (beta) for macOS (Xcode) using Xcode 26.0 on 23 Jun 2025 22:54:50 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 PianoKeyboard -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.64.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/garynewby/PianoKeyboard.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/garynewby/PianoKeyboard
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at a91f95d Fix CI simulator type
Cloned https://github.com/garynewby/PianoKeyboard.git
Revision (git rev-parse @):
a91f95d27e9c67c2be16a707d5d142c035e5e325
SUCCESS checkout https://github.com/garynewby/PianoKeyboard.git at master
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.2
Building package at path:  $PWD
https://github.com/garynewby/PianoKeyboard.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
Resolve Package Graph
Resolve Package Graph
Resolved source packages:
  PianoKeyboard: /Users/admin/builder/spi-builder-workspace
resolved source packages: PianoKeyboard
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PianoKeyboard",
  "name" : "PianoKeyboard",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "PianoKeyboard",
      "targets" : [
        "PianoKeyboard"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PianoKeyboardTests",
      "module_type" : "SwiftTarget",
      "name" : "PianoKeyboardTests",
      "path" : "Tests/PianoKeyboardTests",
      "sources" : [
        "NoteTests.swift",
        "PianoKeyViewModelTests.swift",
        "PianoKeyboardViewModelTests.swift"
      ],
      "target_dependencies" : [
        "PianoKeyboard"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PianoKeyboard",
      "module_type" : "SwiftTarget",
      "name" : "PianoKeyboard",
      "path" : "Source",
      "product_memberships" : [
        "PianoKeyboard"
      ],
      "sources" : [
        "KeyboardStyle.swift",
        "Note.swift",
        "PianoKeyViewModel.swift",
        "PianoKeyboardView.swift",
        "PianoKeyboardViewModel.swift",
        "RoundedCornersShape.swift",
        "Styles/ClassicStyle.swift",
        "Styles/ModernStyle.swift",
        "TouchesView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "PianoKeyboard"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme PianoKeyboard -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 PianoKeyboard -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  PianoKeyboard: /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 'PianoKeyboard' in project 'PianoKeyboard'
        ➜ Explicit dependency on target 'PianoKeyboard' in project 'PianoKeyboard'
    Target 'PianoKeyboard' in project 'PianoKeyboard' (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: aef35f456cc7610451bc52f462e39729
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/aef35f456cc7610451bc52f462e39729.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/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.DependencyStaticMetadataFileList (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.modulemap (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.DependencyMetadataFileList (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.SwiftConstValuesFileList (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-OutputFileMap.json (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.LinkFileList (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.SwiftFileList (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard_const_extract_protocols.json (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/PianoKeyboard.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.modulemap (in target 'PianoKeyboard' from project 'PianoKeyboard')
    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/PianoKeyboard.build/Debug/PianoKeyboard.build/PianoKeyboard.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver PianoKeyboard normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PianoKeyboard' from project 'PianoKeyboard')
    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 PianoKeyboard -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.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 -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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.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/PianoKeyboard.build/Debug/PianoKeyboard.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard_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/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stddef-8Z3DGWJN4BZ05LEF7ZV8ZZXOK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_SwiftConcurrencyShims-74FSHJ7Y9OFU31XW3USCCV6H9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdbool-CB7S9KW6BCE8K3W9BQR8Z8L7D.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/DeveloperToolsSupport-5ROV7BH8E6KVESIYYCEHT1YVK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrcheck-BOGP854PAM05OU9SEQ6T6CKZF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_AvailabilityInternal-4F6W88HH2I5QECJK4DQWSN688.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/SwiftShims-6TL9KT83HX9WCNN6MUJ4RXY13.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdarg-771G992C02Z1PKJN0NBXDZ54L.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ptrauth-B1DEY84NT78VC91CZTGCR6P2G.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_float-ETXGO0CCN50NJJJ1T7O9OG7QY.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation1-CXIFL9FUFZMGL45NUHJFXF7KI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation2-9DRP2UGNZ7B3VFK2LROWNHXAA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_limits-2H78LDXQL2QSOBU9E8S6W5Q85.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_tgmath-1QC2TREL4E841A16LGTTMBXTK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdint-6ZZNJZ45HVZSO0GOX4U8979M9.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_intrinsics-DP8FPXVUR83Q7ADSGVFW62TMS.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/libDER-1FEZ8WXDGBOZ9ORWT6DRYUDKD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_stdatomic-2VXY9ORECNAH6UNF8M80EQLGI.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/OpenGL-944U6YLLWD4SFRFM9WALKCPRN.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_DarwinFoundation3-4QFW3FVE99J7ELINJEIAOC3PZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/_Builtin_inttypes-9ZUSOOTZY4TE6H1909JZHSICE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Darwin-EVRLXEQT1RUE9WJZHPXUROVRH.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/simd-OOGTKT65NOMASJH2TSIZP0VK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/MachO-6NBUGIV2QW8A8LH005H34YCE.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/libkern-DUJTO8A4UY7XH87NSAUP6Y992.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CUPS-71BRF3UC4V45G8870O1CWM0MA.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/launch-6Y7U46VS0V2C4QFLFRCY3W0XL.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ObjectiveC-BQP0R8JLYV2F1CPSK0VA3XD2R.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Spatial-EFOBAM4KQHB4OYM24QTLYWOGQ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_object-4SXQ0NNFO6D0W9PZ9T713HIVF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os_workgroup-E6P09CF5VM5JV7V9R2RRL1RC3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Dispatch-CFV17P5GIIS6XIDB3Z4JNTJHB.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreFoundation-881WXGYR1RBOJ7T336TLGWOQ1.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/XPC-B0XW8B8UX4R6SLAS5KEFFINY5.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/os-DQNWQ7O7VBOISP2WANTBH1TVK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/IOKit-ABLA7SJUDIMMX99SIOZ8SN15.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CFNetwork-B2MMD5Z4G6HM52GN9F4MO00HT.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ColorSync-EPPNNX3L1NXPK4M2SDUTEIBGZ.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Security-8QVMIAJK18QWY0JDBLN5CE7RK.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreGraphics-88FW7PNBDBKHL20028MXEC7AO.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/DiskArbitration-18ZXKRRAO7S8MJT79AVBEGMSD.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreServices-32XM9N84T9KYPA839NVNUSWS3.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/ImageIO-6S6DESUL4I71P95XT6TEQ7FDF.pcm
SwiftExplicitDependencyGeneratePcm arm64 /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/CoreText-7YIXXMGHO4UJE35GGM2FFRA6B.pcm
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/ApplicationServices-80KYHHX1R2VRVAU4W8EZDEEOR.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/IOSurface-9LQDWZH5Y0ZB4RWUFFKDZ23OR.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/CoreTransferable-4WBNZTZACNE6TBAY73Y6K50U5.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/CoreData-2VDD5DGXSFXFYAFCURRRLCNZH.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/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\ RoundedCornersShape.swift /Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

SwiftEmitModule normal arm64 Emitting\ module\ for\ PianoKeyboard (in target 'PianoKeyboard' from project 'PianoKeyboard')
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/Source/KeyboardStyle.swift /Users/admin/builder/spi-builder-workspace/Source/Note.swift /Users/admin/builder/spi-builder-workspace/Source/PianoKeyViewModel.swift /Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift /Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift /Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift /Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift /Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift /Users/admin/builder/spi-builder-workspace/Source/TouchesView.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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-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 -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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard_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/PianoKeyboard.build/Debug/PianoKeyboard.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/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name PianoKeyboard -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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.abi.json
EmitSwiftModule normal arm64 (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:11:28: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Layout: View
                           ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:11:20: note: add @available attribute to enclosing associated type
    associatedtype Layout: View
                   ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:40: error: 'Color' is only available in macOS 10.15 or newer
    func naturalColor(_ down: Bool) -> Color
                                       ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:10: note: add @available attribute to enclosing instance method
    func naturalColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:42: error: 'Color' is only available in macOS 10.15 or newer
    func sharpFlatColor(_ down: Bool) -> Color
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:10: note: add @available attribute to enclosing instance method
    func sharpFlatColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:43: error: 'Color' is only available in macOS 10.15 or newer
    func labelColor(_ noteNumber: Int) -> Color
                                          ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:10: note: add @available attribute to enclosing instance method
    func labelColor(_ noteNumber: Int) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:62: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
                                                             ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:10: note: add @available attribute to enclosing instance method
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:11:6: error: 'ObservedObject' is only available in macOS 10.15 or newer
    @ObservedObject private var viewModel: PianoKeyboardViewModel
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:33:2: error: 'Preview(_:body:)' is only available in macOS 10.15 or newer
#Preview {
 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: error: 'VStack' is only available in macOS 10.15 or newer
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: note: add 'if #available' version check
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: error: 'top' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: note: add 'if #available' version check
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: error: 'black' is only available in macOS 10.15 or newer
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: note: add 'if #available' version check
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:17:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keys: [PianoKeyViewModel] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:18:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keysPressed: [String] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:19:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var latch = false {
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:38: error: 'ObservableObject' is only available in macOS 10.15 or newer
public class PianoKeyboardViewModel: ObservableObject {
                                     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:11:18: error: cannot find type 'UIRectCorner' in scope
    let corners: UIRectCorner
                 ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:14:26: error: cannot find type 'UIRectCorner' in scope
    public init(corners: UIRectCorner, radius: CGFloat) {
                         ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:42: error: 'Path' is only available in macOS 10.15 or newer
    public func path(in rect: CGRect) -> Path {
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:17: note: add @available attribute to enclosing instance method
    public func path(in rect: CGRect) -> Path {
                ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:10:15: note: add @available attribute to enclosing struct
public struct RoundedCornersShape: Shape {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:15:20: error: 'Font' is only available in macOS 10.15 or newer
    let labelFont: Font
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:16:21: error: 'Color' is only available in macOS 10.15 or newer
    let labelColor: Color
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:20: error: 'Font' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:21: error: 'Color' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:28: error: 'title3' is only available in macOS 11.0 or newer
        labelFont: Font = .title3.bold(),
                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:35: error: 'bold()' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                                  ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:30: error: 'gray' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                             ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:13:30: error: cannot find type 'Context' in scope
    func makeUIView(context: Context) -> TouchesUIView {
                             ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:20:57: error: cannot find type 'Context' in scope
    func updateUIView(_ uiView: TouchesUIView, context: Context) {}
                                                        ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:10:21: error: cannot find type 'UIViewRepresentable' in scope
struct TouchesView: UIViewRepresentable {
                    ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:44:22: error: cannot find type 'UIView' in scope
class TouchesUIView: UIView {
                     ^~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:54: error: cannot find type 'UITouch' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:72: error: cannot find type 'UIEvent' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:54: error: cannot find type 'UITouch' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:72: error: cannot find type 'UIEvent' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:54: error: cannot find type 'UITouch' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:72: error: cannot find type 'UIEvent' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:58: error: cannot find type 'UITouch' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:80: error: cannot find type 'UIEvent' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                                               ^~~~~~~
SwiftCompile normal arm64 Compiling\ TouchesView.swift /Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

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

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

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

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ PianoKeyboard (in target 'PianoKeyboard' from project 'PianoKeyboard')
	EmitSwiftModule normal arm64 (in target 'PianoKeyboard' from project 'PianoKeyboard')
	Building workspace spi-builder-workspace with scheme PianoKeyboard
(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:
  PianoKeyboard: /Users/admin/builder/spi-builder-workspace
resolved source packages: PianoKeyboard
{
  "dependencies" : [
  ],
  "manifest_display_name" : "PianoKeyboard",
  "name" : "PianoKeyboard",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "PianoKeyboard",
      "targets" : [
        "PianoKeyboard"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "PianoKeyboardTests",
      "module_type" : "SwiftTarget",
      "name" : "PianoKeyboardTests",
      "path" : "Tests/PianoKeyboardTests",
      "sources" : [
        "NoteTests.swift",
        "PianoKeyViewModelTests.swift",
        "PianoKeyboardViewModelTests.swift"
      ],
      "target_dependencies" : [
        "PianoKeyboard"
      ],
      "type" : "test"
    },
    {
      "c99name" : "PianoKeyboard",
      "module_type" : "SwiftTarget",
      "name" : "PianoKeyboard",
      "path" : "Source",
      "product_memberships" : [
        "PianoKeyboard"
      ],
      "sources" : [
        "KeyboardStyle.swift",
        "Note.swift",
        "PianoKeyViewModel.swift",
        "PianoKeyboardView.swift",
        "PianoKeyboardViewModel.swift",
        "RoundedCornersShape.swift",
        "Styles/ClassicStyle.swift",
        "Styles/ModernStyle.swift",
        "TouchesView.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "PianoKeyboard"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.0.0-Beta.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme PianoKeyboard -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 PianoKeyboard -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  PianoKeyboard: /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 'PianoKeyboard' in project 'PianoKeyboard'
        ➜ Explicit dependency on target 'PianoKeyboard' in project 'PianoKeyboard'
    Target 'PianoKeyboard' in project 'PianoKeyboard' (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 PianoKeyboard normal arm64 com.apple.xcode.tools.swift.compiler (in target 'PianoKeyboard' from project 'PianoKeyboard')
    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 PianoKeyboard -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.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 -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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.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/PianoKeyboard.build/Debug/PianoKeyboard.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard_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/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ RoundedCornersShape.swift /Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ PianoKeyboard (in target 'PianoKeyboard' from project 'PianoKeyboard')
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/Source/KeyboardStyle.swift /Users/admin/builder/spi-builder-workspace/Source/Note.swift /Users/admin/builder/spi-builder-workspace/Source/PianoKeyViewModel.swift /Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift /Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift /Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift /Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift /Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift /Users/admin/builder/spi-builder-workspace/Source/TouchesView.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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-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 -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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard_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/PianoKeyboard.build/Debug/PianoKeyboard.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/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name PianoKeyboard -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/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/PianoKeyboard.build/Debug/PianoKeyboard.build/Objects-normal/arm64/PianoKeyboard.abi.json
EmitSwiftModule normal arm64 (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:11:28: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Layout: View
                           ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:11:20: note: add @available attribute to enclosing associated type
    associatedtype Layout: View
                   ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:40: error: 'Color' is only available in macOS 10.15 or newer
    func naturalColor(_ down: Bool) -> Color
                                       ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:15:10: note: add @available attribute to enclosing instance method
    func naturalColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:42: error: 'Color' is only available in macOS 10.15 or newer
    func sharpFlatColor(_ down: Bool) -> Color
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:16:10: note: add @available attribute to enclosing instance method
    func sharpFlatColor(_ down: Bool) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:43: error: 'Color' is only available in macOS 10.15 or newer
    func labelColor(_ noteNumber: Int) -> Color
                                          ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:17:10: note: add @available attribute to enclosing instance method
    func labelColor(_ noteNumber: Int) -> Color
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:62: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
                                                             ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:18:10: note: add @available attribute to enclosing instance method
    func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> Layout
         ^
/Users/admin/builder/spi-builder-workspace/Source/KeyboardStyle.swift:10:17: note: add @available attribute to enclosing protocol
public protocol KeyboardStyle {
                ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:11:6: error: 'ObservedObject' is only available in macOS 10.15 or newer
    @ObservedObject private var viewModel: PianoKeyboardViewModel
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:22:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:10:15: note: add @available attribute to enclosing generic struct
public struct PianoKeyboardView<T: KeyboardStyle>: View {
              ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:33:2: error: 'Preview(_:body:)' is only available in macOS 10.15 or newer
#Preview {
 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: error: 'VStack' is only available in macOS 10.15 or newer
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:34:5: note: add 'if #available' version check
    VStack {
    ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:6: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: error: 'top' is only available in macOS 10.15 or newer
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:38:67: note: add 'if #available' version check
    .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .top)
                                                                  ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: error: 'background(_:ignoresSafeAreaEdges:)' is only available in macOS 12.0 or newer
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:6: note: add 'if #available' version check
    .background(.black)
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: error: 'black' is only available in macOS 10.15 or newer
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardView.swift:39:18: note: add 'if #available' version check
    .background(.black)
                 ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:17:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keys: [PianoKeyViewModel] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:18:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var keysPressed: [String] = []
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:19:6: error: 'Published' is only available in macOS 10.15 or newer
    @Published public var latch = false {
     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:38: error: 'ObservableObject' is only available in macOS 10.15 or newer
public class PianoKeyboardViewModel: ObservableObject {
                                     ^
/Users/admin/builder/spi-builder-workspace/Source/PianoKeyboardViewModel.swift:15:14: note: add @available attribute to enclosing class
public class PianoKeyboardViewModel: ObservableObject {
             ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:11:18: error: cannot find type 'UIRectCorner' in scope
    let corners: UIRectCorner
                 ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:14:26: error: cannot find type 'UIRectCorner' in scope
    public init(corners: UIRectCorner, radius: CGFloat) {
                         ^~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:42: error: 'Path' is only available in macOS 10.15 or newer
    public func path(in rect: CGRect) -> Path {
                                         ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:19:17: note: add @available attribute to enclosing instance method
    public func path(in rect: CGRect) -> Path {
                ^
/Users/admin/builder/spi-builder-workspace/Source/RoundedCornersShape.swift:10:15: note: add @available attribute to enclosing struct
public struct RoundedCornersShape: Shape {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:15:20: error: 'Font' is only available in macOS 10.15 or newer
    let labelFont: Font
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:16:21: error: 'Color' is only available in macOS 10.15 or newer
    let labelColor: Color
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:20: error: 'Font' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                   ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:21: error: 'Color' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:28: error: 'title3' is only available in macOS 11.0 or newer
        labelFont: Font = .title3.bold(),
                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:27:35: error: 'bold()' is only available in macOS 10.15 or newer
        labelFont: Font = .title3.bold(),
                                  ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:28:30: error: 'gray' is only available in macOS 10.15 or newer
        labelColor: Color = .gray,
                             ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:21:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:41:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:45:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:49:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:57:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ClassicStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ClassicStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:47: error: 'Color' is only available in macOS 10.15 or newer
    public func naturalColor(_ down: Bool) -> Color {
                                              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:18:17: note: add @available attribute to enclosing instance method
    public func naturalColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:49: error: 'Color' is only available in macOS 10.15 or newer
    public func sharpFlatColor(_ down: Bool) -> Color {
                                                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:22:17: note: add @available attribute to enclosing instance method
    public func sharpFlatColor(_ down: Bool) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:50: error: 'Color' is only available in macOS 10.15 or newer
    public func labelColor(_ noteNumber: Int) -> Color {
                                                 ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:26:17: note: add @available attribute to enclosing instance method
    public func labelColor(_ noteNumber: Int) -> Color {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:69: error: 'GeometryProxy' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                    ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:92: error: 'View' is only available in macOS 10.15 or newer
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                                                                                           ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:34:17: note: add @available attribute to enclosing instance method
    public func layout(viewModel: PianoKeyboardViewModel, geometry: GeometryProxy) -> some View {
                ^
/Users/admin/builder/spi-builder-workspace/Source/Styles/ModernStyle.swift:10:15: note: add @available attribute to enclosing struct
public struct ModernStyle: KeyboardStyle {
              ^
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:13:30: error: cannot find type 'Context' in scope
    func makeUIView(context: Context) -> TouchesUIView {
                             ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:20:57: error: cannot find type 'Context' in scope
    func updateUIView(_ uiView: TouchesUIView, context: Context) {}
                                                        ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:10:21: error: cannot find type 'UIViewRepresentable' in scope
struct TouchesView: UIViewRepresentable {
                    ^~~~~~~~~~~~~~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:44:22: error: cannot find type 'UIView' in scope
class TouchesUIView: UIView {
                     ^~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:54: error: cannot find type 'UITouch' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:58:72: error: cannot find type 'UIEvent' in scope
    public override func touchesBegan(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:54: error: cannot find type 'UITouch' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:65:72: error: cannot find type 'UIEvent' in scope
    public override func touchesMoved(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:54: error: cannot find type 'UITouch' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                     ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:72:72: error: cannot find type 'UIEvent' in scope
    public override func touchesEnded(_ touches: Set<UITouch>, with _: UIEvent?) {
                                                                       ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:58: error: cannot find type 'UITouch' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                         ^~~~~~~
/Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift:79:80: error: cannot find type 'UIEvent' in scope
    public override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
                                                                               ^~~~~~~
SwiftCompile normal arm64 Compiling\ TouchesView.swift /Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Source/TouchesView.swift (in target 'PianoKeyboard' from project 'PianoKeyboard')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:76191a1135dd3d7f5715395bbed61f9da0418e99, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ PianoKeyboard (in target 'PianoKeyboard' from project 'PianoKeyboard')
	EmitSwiftModule normal arm64 (in target 'PianoKeyboard' from project 'PianoKeyboard')
	Building workspace spi-builder-workspace with scheme PianoKeyboard
(3 failures)
BUILD FAILURE 6.2 macosXcodebuild