CardStack – Build Information – Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build CardStack with Swift 5.9 for macOS (Xcode) using Xcode 15.2.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$workDir/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $workDir/.derivedData build -scheme CardStack -destination platform=macos,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.34.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/notsobigcompany/CardStack.git
Reference: main
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/notsobigcompany/CardStack
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at cc0d8cf Adds deprecation warning. Updates README.
Cloned https://github.com/notsobigcompany/CardStack.git
Revision (git rev-parse @):
cc0d8cf4f6caf4cfaf71593c84c9d21eaf9460f0
SUCCESS checkout https://github.com/notsobigcompany/CardStack.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             5.9
Building package at path:  $workDir
https://github.com/notsobigcompany/CardStack.git
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  CardStack: /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
resolved source packages: CardStack
objc[76612]: Class XROS1_1SimRuntime is implemented in both /Library/Developer/CoreSimulator/Volumes/xrOS_21O209/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x111dd00e0) and /Library/Developer/CoreSimulator/Volumes/xrOS_21O5181e/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x111df80e0). One of the two will be used. Which one is undefined.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "CardStack",
  "name" : "CardStack",
  "path" : "/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "CardStack",
      "targets" : [
        "CardStack"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CardStack",
      "module_type" : "SwiftTarget",
      "name" : "CardStack",
      "path" : "Sources/CardStack",
      "product_memberships" : [
        "CardStack"
      ],
      "sources" : [
        "CardStack.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.6"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "CardStack"
    ]
  }
}
objc[76740]: Class XROS1_1SimRuntime is implemented in both /Library/Developer/CoreSimulator/Volumes/xrOS_21O209/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x10e2200e0) and /Library/Developer/CoreSimulator/Volumes/xrOS_21O5181e/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x10fb1c0e0). One of the two will be used. Which one is undefined.
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$workDir/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $workDir/.derivedData build -scheme CardStack -destination platform=macos,arch=arm64
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData build -scheme CardStack -destination platform=macos,arch=arm64
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  CardStack: /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'CardStack' in project 'CardStack'
        ➜ Explicit dependency on target 'CardStack' in project 'CardStack'
    Target 'CardStack' in project 'CardStack' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
Build description signature: c51d44a3efb6d71c19a66d8bff2f18a2
Build description path: /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/c51d44a3efb6d71c19a66d8bff2f18a2.xcbuilddata
CreateBuildDirectory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
ClangStatCache /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache
CreateBuildDirectory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug
CreateBuildDirectory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/EagerLinkingTBDs/Debug
CreateBuildDirectory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/PackageFrameworks
WriteAuxiliaryFile /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/CardStack.modulemap (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    write-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/CardStack.modulemap
Copy /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/CardStack.modulemap /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/CardStack.modulemap (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    builtin-copy -exclude .DS_Store -exclude CVS -exclude .svn -exclude .git -exclude .hg -resolve-src-symlinks /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/CardStack.modulemap /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
WriteAuxiliaryFile /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    write-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json
WriteAuxiliaryFile /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.SwiftFileList (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    write-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.SwiftFileList
WriteAuxiliaryFile /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.LinkFileList (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    write-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.LinkFileList
WriteAuxiliaryFile /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-OutputFileMap.json (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    write-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-OutputFileMap.json
SwiftDriver CardStack normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    builtin-SwiftDriver -- /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CardStack -Onone -enforce-exclusivity\=checked @/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -parse-as-library -c -j8 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -output-file-map /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-Swift.h -working-directory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ CardStack (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    builtin-swiftTaskExecution -- /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -resource-dir /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CardStack -disable-clang-spi -target-sdk-version 14.2 -target-sdk-name macosx14.2 -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftdoc -emit-module-source-info-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftsourceinfo -emit-objc-header-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-Swift.h -serialize-diagnostics-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-master-emit-module.dia -emit-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-master-emit-module.d -parse-as-library -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftmodule -emit-abi-descriptor-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.abi.json
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:9:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:13:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:119:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:117:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:128:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:115:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
SwiftCompile normal arm64 Compiling\ CardStack.swift /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    builtin-swiftTaskExecution -- /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift -emit-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.d -emit-const-values-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftconstvalues -emit-reference-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftdeps -serialize-diagnostics-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.dia -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -resource-dir /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CardStack -frontend-parseable-output -disable-clang-spi -target-sdk-version 14.2 -target-sdk-name macosx14.2 -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-unit-output-path /CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-store-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -c -primary-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift -emit-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.d -emit-const-values-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftconstvalues -emit-reference-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftdeps -serialize-diagnostics-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.dia -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -resource-dir /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CardStack -frontend-parseable-output -disable-clang-spi -target-sdk-version 14.2 -target-sdk-name macosx14.2 -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-unit-output-path /CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-store-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
Resolve Package Graph
objc[76803]: Class XROS1_1SimRuntime is implemented in both /Library/Developer/CoreSimulator/Volumes/xrOS_21O209/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x10bff40e0) and /Library/Developer/CoreSimulator/Volumes/xrOS_21O5181e/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x112ff00e0). One of the two will be used. Which one is undefined.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:00008103-0008793E26D2001E }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:00008103-0008793E26D2001E }
{ platform:macOS, arch:arm64, variant:DriverKit, id:00008103-0008793E26D2001E }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:00008103-0008793E26D2001E }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ CardStack (in target 'CardStack' from project 'CardStack')
(1 failure)
Command line invocation:
    /Applications/Xcode-15.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData build -scheme CardStack -destination platform=macos,arch=arm64
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  CardStack: /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'CardStack' in project 'CardStack'
        ➜ Explicit dependency on target 'CardStack' in project 'CardStack'
    Target 'CardStack' in project 'CardStack' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ClangStatCache /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache
SwiftDriver CardStack normal arm64 com.apple.xcode.tools.swift.compiler (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    builtin-SwiftDriver -- /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name CardStack -Onone -enforce-exclusivity\=checked @/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -parse-as-library -c -j8 -enable-batch-mode -incremental -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -output-file-map /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftmodule -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -emit-objc-header -emit-objc-header-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-Swift.h -working-directory /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ CardStack (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    builtin-swiftTaskExecution -- /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -resource-dir /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CardStack -disable-clang-spi -target-sdk-version 14.2 -target-sdk-name macosx14.2 -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftdoc -emit-module-source-info-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftsourceinfo -emit-objc-header-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-Swift.h -serialize-diagnostics-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-master-emit-module.dia -emit-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack-master-emit-module.d -parse-as-library -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftmodule -emit-abi-descriptor-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.abi.json
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:8:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var currentIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:9:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var previousIndex: Double = 0.0
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:12:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder private let content: (Data.Element) -> Content
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:13:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding var finalCurrentIndex: Int
     ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:45: error: 'Binding' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                            ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:75: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
                                                                          ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:20:12: note: add @available attribute to enclosing initializer
    public init(_ data: Data, currentIndex: Binding<Int> = .constant(0), @ViewBuilder content: @escaping (Data.Element) -> Content) {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:27: error: 'View' is only available in macOS 10.15 or newer
    public var body: some View {
                          ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:26:16: note: add @available attribute to enclosing property
    public var body: some View {
               ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:35: error: 'Gesture' is only available in macOS 10.15 or newer
    private var dragGesture: some Gesture {
                                  ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:39:17: note: add @available attribute to enclosing property
    private var dragGesture: some Gesture {
                ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:96: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                               ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:7:119: error: 'View' is only available in macOS 10.15 or newer
public struct CardStack<Data, Content>: View where Data: RandomAccessCollection, Data.Element: Identifiable, Content: View {
                                                                                                                      ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:119:20: error: 'Color' is only available in macOS 10.15 or newer
        let color: Color
                   ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:117:12: note: add @available attribute to enclosing struct
    struct DemoItem: Identifiable {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:127:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var currentIndex = 0
         ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:128:10: error: 'State' is only available in macOS 10.15 or newer
        @State private var tappedIndex: Int? = nil
         ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:24: error: 'View' is only available in macOS 10.15 or newer
        var body: some View {
                       ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:130:13: note: add @available attribute to enclosing property
        var body: some View {
            ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:126:12: note: add @available attribute to enclosing struct
    struct DemoView: View {
           ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:168:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift:115:8: note: add @available attribute to enclosing struct
struct CardStackView_Previews: PreviewProvider {
       ^
SwiftCompile normal arm64 Compiling\ CardStack.swift /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    builtin-swiftTaskExecution -- /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -c -primary-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift -emit-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.d -emit-const-values-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftconstvalues -emit-reference-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftdeps -serialize-diagnostics-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.dia -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -resource-dir /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CardStack -frontend-parseable-output -disable-clang-spi -target-sdk-version 14.2 -target-sdk-name macosx14.2 -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-unit-output-path /CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-store-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
SwiftCompile normal arm64 /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift (in target 'CardStack' from project 'CardStack')
    cd /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace
    /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -c -primary-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/CardStack/CardStack.swift -emit-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.d -emit-const-values-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftconstvalues -emit-reference-dependencies-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.swiftdeps -serialize-diagnostics-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.dia -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk -I /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -module-cache-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack_const_extract_protocols.json -empty-abi-descriptor -validate-clang-modules-once -clang-build-session-file /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace -resource-dir /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -enable-anonymous-context-mangled-names -Xcc -ivfsstatcache -Xcc /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx14.2-23C53-ddea79c7890ab41bba4a63928c655a96.sdkstatcache -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/swift-overrides.hmap -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Products/Debug/include -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources-normal/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources/arm64 -Xcc -I/Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name CardStack -frontend-parseable-output -disable-clang-spi -target-sdk-version 14.2 -target-sdk-name macosx14.2 -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.2.sdk/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-15.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-15.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -parse-as-library -o /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-unit-output-path /CardStack.build/Debug/CardStack.build/Objects-normal/arm64/CardStack.o -index-store-path /Users/builder/builds/TDmZkXJm/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -index-system-modules
objc[76907]: Class XROS1_1SimRuntime is implemented in both /Library/Developer/CoreSimulator/Volumes/xrOS_21O209/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x10a0480e0) and /Library/Developer/CoreSimulator/Volumes/xrOS_21O5181e/Library/Developer/CoreSimulator/Profiles/Runtimes/xrOS 1.1.simruntime/Contents/MacOS/xrOS 1.1 (0x10bcf40e0). One of the two will be used. Which one is undefined.
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:00008103-0008793E26D2001E }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:00008103-0008793E26D2001E }
{ platform:macOS, arch:arm64, variant:DriverKit, id:00008103-0008793E26D2001E }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:00008103-0008793E26D2001E }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ CardStack (in target 'CardStack' from project 'CardStack')
(1 failure)
BUILD FAILURE 5.9 macosXcodebuild