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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 Regulate, reference main (3dbaf3), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 27 Apr 2025 08:29:21 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sideeffect-io/Regulate.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sideeffect-io/Regulate
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 3dbaf34 Merge pull request #1 from sideeffect-io/feature/task-extensions
Cloned https://github.com/sideeffect-io/Regulate.git
Revision (git rev-parse @):
3dbaf34cf489792e9b944be5a3aaa31e20ff5b03
SUCCESS checkout https://github.com/sideeffect-io/Regulate.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/sideeffect-io/Regulate.git
https://github.com/sideeffect-io/Regulate.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Regulate",
  "name" : "Regulate",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "Regulate",
      "targets" : [
        "Regulate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RegulateTests",
      "module_type" : "SwiftTarget",
      "name" : "RegulateTests",
      "path" : "Tests",
      "sources" : [
        "DebouncerTests.swift",
        "Supporting/Spy.swift",
        "ThrottlerTests.swift"
      ],
      "target_dependencies" : [
        "Regulate"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Regulate",
      "module_type" : "SwiftTarget",
      "name" : "Regulate",
      "path" : "Sources",
      "product_memberships" : [
        "Regulate"
      ],
      "sources" : [
        "Debouncer.swift",
        "Regulator.swift",
        "Supporting/DispatchTimeInterval+Nanoseconds.swift",
        "SwiftUI/Binding+Regulate.swift",
        "SwiftUI/Button+Regulated.swift",
        "SwiftUI/RegulatedButtonStyle.swift",
        "Throttler.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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:
  Regulate: /Users/admin/builder/spi-builder-workspace
resolved source packages: Regulate
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Regulate",
  "name" : "Regulate",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "Regulate",
      "targets" : [
        "Regulate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RegulateTests",
      "module_type" : "SwiftTarget",
      "name" : "RegulateTests",
      "path" : "Tests",
      "sources" : [
        "DebouncerTests.swift",
        "Supporting/Spy.swift",
        "ThrottlerTests.swift"
      ],
      "target_dependencies" : [
        "Regulate"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Regulate",
      "module_type" : "SwiftTarget",
      "name" : "Regulate",
      "path" : "Sources",
      "product_memberships" : [
        "Regulate"
      ],
      "sources" : [
        "Debouncer.swift",
        "Regulator.swift",
        "Supporting/DispatchTimeInterval+Nanoseconds.swift",
        "SwiftUI/Binding+Regulate.swift",
        "SwiftUI/Button+Regulated.swift",
        "SwiftUI/RegulatedButtonStyle.swift",
        "Throttler.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Regulate"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Regulate -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 Regulate -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:
  Regulate: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'RegulateTests' in project 'Regulate'
        ➜ Explicit dependency on target 'Regulate' in project 'Regulate'
    Target 'Regulate' in project 'Regulate'
        ➜ Explicit dependency on target 'Regulate' in project 'Regulate'
    Target 'Regulate' in project 'Regulate' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/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/ld -version_details
Build description signature: b4bfe86f6c5d71cad6d61e382ff8e3a6
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b4bfe86f6c5d71cad6d61e382ff8e3a6.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/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
    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/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/Regulate.build/Debug/RegulateTests.build/RegulateTests.DependencyMetadataFileList (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/RegulateTests.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/empty-RegulateTests.plist (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/empty-RegulateTests.plist
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests.SwiftFileList (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests-OutputFileMap.json (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests.LinkFileList (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/RegulateTests.DependencyStaticMetadataFileList (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/RegulateTests.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests.SwiftConstValuesFileList (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests_const_extract_protocols.json (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/RegulateTests.build/Objects-normal/arm64/RegulateTests_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Regulate.modulemap (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Regulate.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Regulate.DependencyStaticMetadataFileList (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Regulate.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Regulate.DependencyMetadataFileList (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Regulate.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate_const_extract_protocols.json (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.SwiftConstValuesFileList (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.SwiftConstValuesFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.LinkFileList (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-OutputFileMap.json (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.SwiftFileList (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.SwiftFileList
MkDir /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/RegulateTests.xctest (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    /bin/mkdir -p /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/RegulateTests.xctest
MkDir /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/RegulateTests.xctest/Contents (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    /bin/mkdir -p /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/RegulateTests.xctest/Contents
MkDir /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/RegulateTests.xctest/Contents/MacOS (in target 'RegulateTests' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace
    /bin/mkdir -p /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Products/Debug/RegulateTests.xctest/Contents/MacOS
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/Regulate.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Regulate.modulemap (in target 'Regulate' from project 'Regulate')
    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/Regulate.build/Debug/Regulate.build/Regulate.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver Regulate normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Regulate' from project 'Regulate')
    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 Regulate -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.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-macos10.15 -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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.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/Regulate.build/Debug/Regulate.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate_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/Regulate.build/Debug/Regulate.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Button+Regulated.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Button+Regulated.swift (in target 'Regulate' from project 'Regulate')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Button+Regulated.swift (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ Regulate (in target 'Regulate' from project 'Regulate')
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/Debouncer.swift /Users/admin/builder/spi-builder-workspace/Sources/Regulator.swift /Users/admin/builder/spi-builder-workspace/Sources/Supporting/DispatchTimeInterval+Nanoseconds.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Binding+Regulate.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Button+Regulated.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/RegulatedButtonStyle.swift /Users/admin/builder/spi-builder-workspace/Sources/Throttler.swift -target arm64-apple-macos10.15 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate_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/Regulate.build/Debug/Regulate.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/Regulate.build/Debug/Regulate.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name Regulate -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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.abi.json
EmitSwiftModule normal arm64 (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/RegulatedButtonStyle.swift:12:4: error: 'StateObject' is only available in macOS 11.0 or newer
  @StateObject var regulator = R.init()
   ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/RegulatedButtonStyle.swift:11:15: note: add @available attribute to enclosing generic struct
public struct RegulatedButtonStyle<R: Regulator<Void>>: PrimitiveButtonStyle {
              ^
SwiftCompile normal arm64 Compiling\ Binding+Regulate.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Binding+Regulate.swift (in target 'Regulate' from project 'Regulate')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Binding+Regulate.swift (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Regulate (in target 'Regulate' from project 'Regulate')
	EmitSwiftModule normal arm64 (in target 'Regulate' from project 'Regulate')
	Building workspace spi-builder-workspace with scheme Regulate
(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:
  Regulate: /Users/admin/builder/spi-builder-workspace
resolved source packages: Regulate
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Regulate",
  "name" : "Regulate",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "Regulate",
      "targets" : [
        "Regulate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RegulateTests",
      "module_type" : "SwiftTarget",
      "name" : "RegulateTests",
      "path" : "Tests",
      "sources" : [
        "DebouncerTests.swift",
        "Supporting/Spy.swift",
        "ThrottlerTests.swift"
      ],
      "target_dependencies" : [
        "Regulate"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Regulate",
      "module_type" : "SwiftTarget",
      "name" : "Regulate",
      "path" : "Sources",
      "product_memberships" : [
        "Regulate"
      ],
      "sources" : [
        "Debouncer.swift",
        "Regulator.swift",
        "Supporting/DispatchTimeInterval+Nanoseconds.swift",
        "SwiftUI/Binding+Regulate.swift",
        "SwiftUI/Button+Regulated.swift",
        "SwiftUI/RegulatedButtonStyle.swift",
        "Throttler.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Regulate"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Regulate -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 Regulate -destination platform=macOS,arch=arm64
Resolve Package Graph
Resolved source packages:
  Regulate: /Users/admin/builder/spi-builder-workspace
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'RegulateTests' in project 'Regulate'
        ➜ Explicit dependency on target 'Regulate' in project 'Regulate'
    Target 'Regulate' in project 'Regulate'
        ➜ Explicit dependency on target 'Regulate' in project 'Regulate'
    Target 'Regulate' in project 'Regulate' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
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/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/ld -version_details
Build description signature: dfd1dfa104f293a9ae79a6f58ca642ce
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/dfd1dfa104f293a9ae79a6f58ca642ce.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 Regulate normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Regulate' from project 'Regulate')
    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 Regulate -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.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-macos10.15 -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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.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/Regulate.build/Debug/Regulate.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate_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/Regulate.build/Debug/Regulate.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftCompile normal arm64 Compiling\ Button+Regulated.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Button+Regulated.swift (in target 'Regulate' from project 'Regulate')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Button+Regulated.swift (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

SwiftEmitModule normal arm64 Emitting\ module\ for\ Regulate (in target 'Regulate' from project 'Regulate')
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/Debouncer.swift /Users/admin/builder/spi-builder-workspace/Sources/Regulator.swift /Users/admin/builder/spi-builder-workspace/Sources/Supporting/DispatchTimeInterval+Nanoseconds.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Binding+Regulate.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/Button+Regulated.swift /Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/RegulatedButtonStyle.swift /Users/admin/builder/spi-builder-workspace/Sources/Throttler.swift -target arm64-apple-macos10.15 -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate_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/Regulate.build/Debug/Regulate.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/Regulate.build/Debug/Regulate.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name Regulate -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/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate-master-emit-module.d -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Regulate.build/Debug/Regulate.build/Objects-normal/arm64/Regulate.abi.json
EmitSwiftModule normal arm64 (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/RegulatedButtonStyle.swift:12:4: error: 'StateObject' is only available in macOS 11.0 or newer
  @StateObject var regulator = R.init()
   ^
/Users/admin/builder/spi-builder-workspace/Sources/SwiftUI/RegulatedButtonStyle.swift:11:15: note: add @available attribute to enclosing generic struct
public struct RegulatedButtonStyle<R: Regulator<Void>>: PrimitiveButtonStyle {
              ^
SwiftCompile normal arm64 Compiling\ Throttler.swift /Users/admin/builder/spi-builder-workspace/Sources/Throttler.swift (in target 'Regulate' from project 'Regulate')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Throttler.swift (in target 'Regulate' from project 'Regulate')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

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

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

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

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:0bf0c471fed8976431ae0ee1b7854ba3302b0570, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Regulate (in target 'Regulate' from project 'Regulate')
	EmitSwiftModule normal arm64 (in target 'Regulate' from project 'Regulate')
	Building workspace spi-builder-workspace with scheme Regulate
(3 failures)
BUILD FAILURE 6.1 macosXcodebuild