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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 BroadcastWriter, reference main (ef52e6), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 26 Apr 2025 09:25:58 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme BroadcastWriter -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/romiroma/BroadcastWriter.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/romiroma/BroadcastWriter
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ef52e6f Update README.md
Cloned https://github.com/romiroma/BroadcastWriter.git
Revision (git rev-parse @):
ef52e6f09f12c60bcca8544934799a5863947a7f
SUCCESS checkout https://github.com/romiroma/BroadcastWriter.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/romiroma/BroadcastWriter.git
https://github.com/romiroma/BroadcastWriter.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "BroadcastWriter",
  "name" : "BroadcastWriter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "BroadcastWriter",
      "targets" : [
        "BroadcastWriter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BroadcastWriterTests",
      "module_type" : "SwiftTarget",
      "name" : "BroadcastWriterTests",
      "path" : "Tests/BroadcastWriterTests",
      "sources" : [
        "BroadcastWriterTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "BroadcastWriter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BroadcastWriter",
      "module_type" : "SwiftTarget",
      "name" : "BroadcastWriter",
      "path" : "Sources/BroadcastWriter",
      "product_memberships" : [
        "BroadcastWriter"
      ],
      "sources" : [
        "AVAssetWriter.Status+stringDescription.swift",
        "BroadcastWriter.swift",
        "CGFloat+NSNumber.swift",
        "Int+NSNumber.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Fetching from https://github.com/romiroma/BroadcastWriter
Creating working copy of package ‘BroadcastWriter’
Checking out main (609ee2f) of package ‘BroadcastWriter’
Resolved source packages:
  BroadcastWriter: https://github.com/romiroma/BroadcastWriter @ main (609ee2f)
resolved source packages: BroadcastWriter
{
  "dependencies" : [
  ],
  "manifest_display_name" : "BroadcastWriter",
  "name" : "BroadcastWriter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "BroadcastWriter",
      "targets" : [
        "BroadcastWriter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BroadcastWriterTests",
      "module_type" : "SwiftTarget",
      "name" : "BroadcastWriterTests",
      "path" : "Tests/BroadcastWriterTests",
      "sources" : [
        "BroadcastWriterTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "BroadcastWriter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BroadcastWriter",
      "module_type" : "SwiftTarget",
      "name" : "BroadcastWriter",
      "path" : "Sources/BroadcastWriter",
      "product_memberships" : [
        "BroadcastWriter"
      ],
      "sources" : [
        "AVAssetWriter.Status+stringDescription.swift",
        "BroadcastWriter.swift",
        "CGFloat+NSNumber.swift",
        "Int+NSNumber.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Example",
    "schemes" : [
      "BroadcastUpload",
      "BroadcastUploadSetupUI",
      "Example"
    ],
    "targets" : [
      "Example",
      "BroadcastUpload",
      "BroadcastUploadSetupUI"
    ]
  }
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "BroadcastWriter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme BroadcastWriter -destination platform=macOS,arch=arm64 OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme BroadcastWriter -destination platform=macOS,arch=arm64 "OTHER_SWIFT_FLAGS=-stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures"
Build settings from command line:
    OTHER_SWIFT_FLAGS = -stats-output-dir .stats -strict-concurrency=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures
Resolve Package Graph
Resolved source packages:
  BroadcastWriter: /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 'BroadcastWriter' in project 'BroadcastWriter'
        ➜ Explicit dependency on target 'BroadcastWriter' in project 'BroadcastWriter'
    Target 'BroadcastWriter' in project 'BroadcastWriter' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: ea1f9a3b6bd128155f939b2a5df35035
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ea1f9a3b6bd128155f939b2a5df35035.xcbuilddata
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products
CreateBuildDirectory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-create-build-directory /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
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/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.DependencyStaticMetadataFileList (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.modulemap (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.SwiftConstValuesFileList (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-OutputFileMap.json (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.DependencyMetadataFileList (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.LinkFileList (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.SwiftFileList (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter_const_extract_protocols.json (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter_const_extract_protocols.json
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/BroadcastWriter.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.modulemap (in target 'BroadcastWriter' from project 'BroadcastWriter')
    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/BroadcastWriter.build/Debug/BroadcastWriter.build/BroadcastWriter.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver BroadcastWriter normal arm64 com.apple.xcode.tools.swift.compiler (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name BroadcastWriter -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -stats-output-dir .stats -strict-concurrency\=complete -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.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/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.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/BroadcastWriter.build/Debug/BroadcastWriter.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter_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/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.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/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ BroadcastWriter (in target 'BroadcastWriter' from project 'BroadcastWriter')
EmitSwiftModule normal arm64 (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift:4:1: warning: extension declares a conformance of imported type 'Status' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'AVFoundation' introduce this conformance in the future
extension AVAssetWriter.Status: CustomStringConvertible {
^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift:4:1: note: add '@retroactive' to silence this warning
extension AVAssetWriter.Status: CustomStringConvertible {
^                               ~~~~~~~~~~~~~~~~~~~~~~~
                                @retroactive CustomStringConvertible
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:58:26: error: 'AVAudioSession' is unavailable in macOS
        let sampleRate = AVAudioSession.sharedInstance().sampleRate
                         ^~~~~~~~~~~~~~
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFAudio.framework/Headers/AVAudioSession.h:29:12: note: 'AVAudioSession' has been explicitly marked unavailable here
@interface AVAudioSession : NSObject {
           ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:58:41: error: 'sharedInstance()' is unavailable in macOS
        let sampleRate = AVAudioSession.sharedInstance().sampleRate
                                        ^~~~~~~~~~~~~~
AVFAudio.AVAudioSession.sharedInstance:3:19: note: 'sharedInstance()' has been explicitly marked unavailable here
  open class func sharedInstance() -> AVAudioSession}
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:58:58: error: 'sampleRate' is unavailable in macOS
        let sampleRate = AVAudioSession.sharedInstance().sampleRate
                                                         ^~~~~~~~~~
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFAudio.framework/Headers/AVAudioSession.h:361:29: note: 'sampleRate' has been explicitly marked unavailable here
@property (readonly) double sampleRate API_AVAILABLE(ios(6.0), watchos(2.0), tvos(9.0)) API_UNAVAILABLE(macos);
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:120:32: error: 'RPSampleBufferType' is only available in macOS 11.0 or newer
        with sampleBufferType: RPSampleBufferType
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:118:17: note: add @available attribute to enclosing instance method
    public func processSampleBuffer(
                ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:10:20: note: add @available attribute to enclosing class
public final class BroadcastWriter {
                   ^
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/CGFloat+NSNumber.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/Int+NSNumber.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -stats-output-dir /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode/.stats -Onone -D SWIFT_PACKAGE -D DEBUG -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter_const_extract_protocols.json -enable-upcoming-feature StrictConcurrency -enable-upcoming-feature DisableOutwardActorInference -enable-upcoming-feature GlobalActorIsolatedTypesUsability -enable-upcoming-feature InferSendableFromCaptures -enable-experimental-feature DebugDescriptionMacro -strict-concurrency\=complete -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -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/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.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/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name BroadcastWriter -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.abi.json
SwiftCompile normal arm64 Compiling\ AVAssetWriter.Status+stringDescription.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift (in target 'BroadcastWriter' from project 'BroadcastWriter')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	EmitSwiftModule normal arm64 (in target 'BroadcastWriter' from project 'BroadcastWriter')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ BroadcastWriter (in target 'BroadcastWriter' from project 'BroadcastWriter')
	Building workspace spi-builder-workspace with scheme BroadcastWriter
(3 failures)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
Resolved source packages:
  BroadcastWriter: /Users/admin/builder/spi-builder-workspace
resolved source packages: BroadcastWriter
{
  "dependencies" : [
  ],
  "manifest_display_name" : "BroadcastWriter",
  "name" : "BroadcastWriter",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "BroadcastWriter",
      "targets" : [
        "BroadcastWriter"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "BroadcastWriterTests",
      "module_type" : "SwiftTarget",
      "name" : "BroadcastWriterTests",
      "path" : "Tests/BroadcastWriterTests",
      "sources" : [
        "BroadcastWriterTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "BroadcastWriter"
      ],
      "type" : "test"
    },
    {
      "c99name" : "BroadcastWriter",
      "module_type" : "SwiftTarget",
      "name" : "BroadcastWriter",
      "path" : "Sources/BroadcastWriter",
      "product_memberships" : [
        "BroadcastWriter"
      ],
      "sources" : [
        "AVAssetWriter.Status+stringDescription.swift",
        "BroadcastWriter.swift",
        "CGFloat+NSNumber.swift",
        "Int+NSNumber.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "BroadcastWriter"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme BroadcastWriter -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath /Users/admin/builder/spi-builder-workspace/.derivedData build -scheme BroadcastWriter -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  BroadcastWriter: /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 'BroadcastWriter' in project 'BroadcastWriter'
        ➜ Explicit dependency on target 'BroadcastWriter' in project 'BroadcastWriter'
    Target 'BroadcastWriter' in project 'BroadcastWriter' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: a2431dedc6d4ffb7fd2204fd937b34b9
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a2431dedc6d4ffb7fd2204fd937b34b9.xcbuilddata
ClangStatCache /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang-stat-cache /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -o /Users/admin/builder/spi-builder-workspace/.derivedData/SDKStatCaches.noindex/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache
SwiftDriver BroadcastWriter normal arm64 com.apple.xcode.tools.swift.compiler (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode
    builtin-SwiftDriver -- /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -module-name BroadcastWriter -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.SwiftFileList -DSWIFT_PACKAGE -DDEBUG -DXcode -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -enable-experimental-feature DebugDescriptionMacro -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -target arm64-apple-macos10.13 -g -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -profile-coverage-mapping -profile-generate -enable-testing -index-store-path /Users/admin/builder/spi-builder-workspace/.derivedData/Index.noindex/DataStore -swift-version 5 -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.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/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -output-file-map /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-OutputFileMap.json -use-frontend-parseable-output -save-temps -no-color-diagnostics -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.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/BroadcastWriter.build/Debug/BroadcastWriter.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter_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/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.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/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ AVAssetWriter.Status+stringDescription.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift (in target 'BroadcastWriter' from project 'BroadcastWriter')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ BroadcastWriter (in target 'BroadcastWriter' from project 'BroadcastWriter')
Failed frontend command:
/Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/CGFloat+NSNumber.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/Int+NSNumber.swift -target arm64-apple-macos10.13 -Xllvm -aarch64-use-tbi -enable-objc-interop -sdk /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk -I /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -I /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib -F /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug -F /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks -no-color-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -module-cache-path /Users/admin/builder/spi-builder-workspace/.derivedData/ModuleCache.noindex -profile-generate -profile-coverage-mapping -swift-version 5 -enforce-exclusivity\=checked -Onone -D SWIFT_PACKAGE -D DEBUG -D Xcode -serialize-debugging-options -const-gather-protocols-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter_const_extract_protocols.json -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins/testing -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 -resource-dir /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -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/macosx15.4-24E241-8287b8f5db97e746a1562fbca0c9d29b.sdkstatcache -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.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/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name BroadcastWriter -frontend-parseable-output -disable-clang-spi -target-sdk-version 15.4 -target-sdk-name macosx15.4 -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -external-plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/local/lib/swift/host/plugins\#/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/usr/bin/swift-plugin-server -in-process-plugin-server-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/libSwiftInProcPluginServer.dylib -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/host/plugins -plugin-path /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/local/lib/swift/host/plugins -emit-module-doc-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/BroadcastWriter.build/Debug/BroadcastWriter.build/Objects-normal/arm64/BroadcastWriter.abi.json
EmitSwiftModule normal arm64 (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift:4:1: warning: extension declares a conformance of imported type 'Status' to imported protocol 'CustomStringConvertible'; this will not behave correctly if the owners of 'AVFoundation' introduce this conformance in the future
extension AVAssetWriter.Status: CustomStringConvertible {
^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/AVAssetWriter.Status+stringDescription.swift:4:1: note: add '@retroactive' to silence this warning
extension AVAssetWriter.Status: CustomStringConvertible {
^                               ~~~~~~~~~~~~~~~~~~~~~~~
                                @retroactive CustomStringConvertible
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:58:26: error: 'AVAudioSession' is unavailable in macOS
        let sampleRate = AVAudioSession.sharedInstance().sampleRate
                         ^~~~~~~~~~~~~~
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFAudio.framework/Headers/AVAudioSession.h:29:12: note: 'AVAudioSession' has been explicitly marked unavailable here
@interface AVAudioSession : NSObject {
           ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:58:41: error: 'sharedInstance()' is unavailable in macOS
        let sampleRate = AVAudioSession.sharedInstance().sampleRate
                                        ^~~~~~~~~~~~~~
AVFAudio.AVAudioSession.sharedInstance:3:19: note: 'sharedInstance()' has been explicitly marked unavailable here
  open class func sharedInstance() -> AVAudioSession}
                  ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:58:58: error: 'sampleRate' is unavailable in macOS
        let sampleRate = AVAudioSession.sharedInstance().sampleRate
                                                         ^~~~~~~~~~
/Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.4.sdk/System/Library/Frameworks/AVFAudio.framework/Headers/AVAudioSession.h:361:29: note: 'sampleRate' has been explicitly marked unavailable here
@property (readonly) double sampleRate API_AVAILABLE(ios(6.0), watchos(2.0), tvos(9.0)) API_UNAVAILABLE(macos);
                            ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:120:32: error: 'RPSampleBufferType' is only available in macOS 11.0 or newer
        with sampleBufferType: RPSampleBufferType
                               ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:118:17: note: add @available attribute to enclosing instance method
    public func processSampleBuffer(
                ^
/Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/BroadcastWriter.swift:10:20: note: add @available attribute to enclosing class
public final class BroadcastWriter {
                   ^
SwiftCompile normal arm64 Compiling\ Int+NSNumber.swift /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/Int+NSNumber.swift (in target 'BroadcastWriter' from project 'BroadcastWriter')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/BroadcastWriter/Int+NSNumber.swift (in target 'BroadcastWriter' from project 'BroadcastWriter')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:a8e97506b877294f661a72524042ab52b6b74ba5, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ BroadcastWriter (in target 'BroadcastWriter' from project 'BroadcastWriter')
	EmitSwiftModule normal arm64 (in target 'BroadcastWriter' from project 'BroadcastWriter')
	Building workspace spi-builder-workspace with scheme BroadcastWriter
(3 failures)
BUILD FAILURE 6.1 macosXcodebuild