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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 Checkbox, reference main (7276e6), with Swift 6.1 for macOS (Xcode) using Xcode 16.3 on 26 Apr 2025 14:44:19 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bradhowes/Checkbox.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/bradhowes/Checkbox
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 7276e6a Serialize value updates
Cloned https://github.com/bradhowes/Checkbox.git
Revision (git rev-parse @):
7276e6ade2040d6163588084fda32f7e85d6b0d4
SUCCESS checkout https://github.com/bradhowes/Checkbox.git at main
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bradhowes/Checkbox.git
https://github.com/bradhowes/Checkbox.git
{
  "dependencies" : [
    {
      "identity" : "swift-snapshot-testing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.8.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-snapshot-testing.git"
    }
  ],
  "manifest_display_name" : "Checkbox",
  "name" : "Checkbox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "Checkbox",
      "targets" : [
        "Checkbox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CheckboxTests",
      "module_type" : "SwiftTarget",
      "name" : "CheckboxTests",
      "path" : "Tests/CheckboxTests",
      "product_dependencies" : [
        "SnapshotTesting"
      ],
      "sources" : [
        "CheckboxTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Checkbox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Checkbox",
      "module_type" : "SwiftTarget",
      "name" : "Checkbox",
      "path" : "Sources/Checkbox",
      "product_memberships" : [
        "Checkbox"
      ],
      "sources" : [
        "Checkbox.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
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/pointfreeco/swift-snapshot-testing.git (cached)
Fetching from https://github.com/pointfreeco/swift-custom-dump (cached)
Fetching from https://github.com/swiftlang/swift-syntax (cached)
Fetching from https://github.com/pointfreeco/xctest-dynamic-overlay (cached)
Creating working copy of package ‘xctest-dynamic-overlay’
Checking out 1.5.2 of package ‘xctest-dynamic-overlay’
Creating working copy of package ‘swift-custom-dump’
Checking out 1.3.3 of package ‘swift-custom-dump’
Creating working copy of package ‘swift-syntax’
Checking out 601.0.1 of package ‘swift-syntax’
Creating working copy of package ‘swift-snapshot-testing’
Checking out 1.18.3 of package ‘swift-snapshot-testing’
Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.Resolve Package Graph
Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
Resolved source packages:
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 601.0.1
  Checkbox: /Users/admin/builder/spi-builder-workspace
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.5.2
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.3.3
  swift-snapshot-testing: https://github.com/pointfreeco/swift-snapshot-testing.git @ 1.18.3
resolved source packages: swift-syntax, Checkbox, xctest-dynamic-overlay, swift-custom-dump, swift-snapshot-testing
{
  "dependencies" : [
    {
      "identity" : "swift-snapshot-testing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.8.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-snapshot-testing.git"
    }
  ],
  "manifest_display_name" : "Checkbox",
  "name" : "Checkbox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "Checkbox",
      "targets" : [
        "Checkbox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CheckboxTests",
      "module_type" : "SwiftTarget",
      "name" : "CheckboxTests",
      "path" : "Tests/CheckboxTests",
      "product_dependencies" : [
        "SnapshotTesting"
      ],
      "sources" : [
        "CheckboxTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Checkbox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Checkbox",
      "module_type" : "SwiftTarget",
      "name" : "Checkbox",
      "path" : "Sources/Checkbox",
      "product_memberships" : [
        "Checkbox"
      ],
      "sources" : [
        "Checkbox.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Checkbox"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Checkbox -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 Checkbox -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
Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
Resolve Package Graph
Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
Resolved source packages:
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 601.0.1
  swift-snapshot-testing: https://github.com/pointfreeco/swift-snapshot-testing.git @ 1.18.3
  Checkbox: /Users/admin/builder/spi-builder-workspace
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.3.3
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.5.2
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'Checkbox' in project 'Checkbox'
        ➜ Explicit dependency on target 'Checkbox' in project 'Checkbox'
    Target 'Checkbox' in project 'Checkbox' (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: ed9926a578a0d315add5cf49164f073e
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/ed9926a578a0d315add5cf49164f073e.xcbuilddata
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
    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/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/Checkbox.build/Debug/Checkbox.build/Checkbox.DependencyMetadataFileList (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Checkbox.DependencyMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Checkbox.modulemap (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Checkbox.modulemap
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Checkbox.DependencyStaticMetadataFileList (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Checkbox.DependencyStaticMetadataFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-OutputFileMap.json (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-OutputFileMap.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox_const_extract_protocols.json (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox_const_extract_protocols.json
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.LinkFileList (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.LinkFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.SwiftFileList (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.SwiftFileList
WriteAuxiliaryFile /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.SwiftConstValuesFileList (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace
    write-file /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.SwiftConstValuesFileList
Copy /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps/Checkbox.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Checkbox.modulemap (in target 'Checkbox' from project 'Checkbox')
    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/Checkbox.build/Debug/Checkbox.build/Checkbox.modulemap /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/GeneratedModuleMaps
SwiftDriver Checkbox normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Checkbox' from project 'Checkbox')
    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 Checkbox -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.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 -parse-as-library -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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.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/Checkbox.build/Debug/Checkbox.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox_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/Checkbox.build/Debug/Checkbox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ Checkbox (in target 'Checkbox' from project 'Checkbox')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift:3:8: error: no such module 'UIKit'
import UIKit
       ^
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/Checkbox/Checkbox.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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox_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/Checkbox.build/Debug/Checkbox.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/Checkbox.build/Debug/Checkbox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name Checkbox -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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-master-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.abi.json
SwiftCompile normal arm64 Compiling\ Checkbox.swift /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Checkbox (in target 'Checkbox' from project 'Checkbox')
	Building workspace spi-builder-workspace with scheme Checkbox
(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
Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
Resolved source packages:
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.5.2
  swift-snapshot-testing: https://github.com/pointfreeco/swift-snapshot-testing.git @ 1.18.3
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.3.3
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 601.0.1
  Checkbox: /Users/admin/builder/spi-builder-workspace
resolved source packages: xctest-dynamic-overlay, swift-snapshot-testing, swift-custom-dump, swift-syntax, Checkbox
{
  "dependencies" : [
    {
      "identity" : "swift-snapshot-testing",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.8.1",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/pointfreeco/swift-snapshot-testing.git"
    }
  ],
  "manifest_display_name" : "Checkbox",
  "name" : "Checkbox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "Checkbox",
      "targets" : [
        "Checkbox"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CheckboxTests",
      "module_type" : "SwiftTarget",
      "name" : "CheckboxTests",
      "path" : "Tests/CheckboxTests",
      "product_dependencies" : [
        "SnapshotTesting"
      ],
      "sources" : [
        "CheckboxTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Checkbox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Checkbox",
      "module_type" : "SwiftTarget",
      "name" : "Checkbox",
      "path" : "Sources/Checkbox",
      "product_memberships" : [
        "Checkbox"
      ],
      "sources" : [
        "Checkbox.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
warning: 'spi-builder-workspace': Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Checkbox"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Checkbox -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 Checkbox -destination platform=macOS,arch=arm64
Resolve Package Graph
Invalid Exclude '/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.playground': File not found.
Resolved source packages:
  swift-snapshot-testing: https://github.com/pointfreeco/swift-snapshot-testing.git @ 1.18.3
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 601.0.1
  swift-custom-dump: https://github.com/pointfreeco/swift-custom-dump @ 1.3.3
  xctest-dynamic-overlay: https://github.com/pointfreeco/xctest-dynamic-overlay @ 1.5.2
  Checkbox: /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 'Checkbox' in project 'Checkbox'
        ➜ Explicit dependency on target 'Checkbox' in project 'Checkbox'
    Target 'Checkbox' in project 'Checkbox' (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: 585bf6cf388fa0a7600d427d9b1a18e2
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/585bf6cf388fa0a7600d427d9b1a18e2.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 Checkbox normal arm64 com.apple.xcode.tools.swift.compiler (in target 'Checkbox' from project 'Checkbox')
    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 Checkbox -Onone -enforce-exclusivity\=checked @/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.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 -parse-as-library -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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.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/Checkbox.build/Debug/Checkbox.build/swift-overrides.hmap -emit-const-values -Xfrontend -const-gather-protocols-file -Xfrontend /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox_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/Checkbox.build/Debug/Checkbox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-Swift.h -working-directory /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode -experimental-emit-module-separately -disable-cmo
SwiftEmitModule normal arm64 Emitting\ module\ for\ Checkbox (in target 'Checkbox' from project 'Checkbox')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

/Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift:3:8: error: no such module 'UIKit'
import UIKit
       ^
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/Checkbox/Checkbox.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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox_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/Checkbox.build/Debug/Checkbox.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/Checkbox.build/Debug/Checkbox.build/DerivedSources-normal/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/DerivedSources/arm64 -Xcc -I/Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -module-name Checkbox -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/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.swiftdoc -emit-module-source-info-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.swiftsourceinfo -emit-objc-header-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-Swift.h -serialize-diagnostics-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-master-emit-module.dia -emit-dependencies-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox-master-emit-module.d -parse-as-library -o /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.swiftmodule -emit-abi-descriptor-path /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/Checkbox.build/Debug/Checkbox.build/Objects-normal/arm64/Checkbox.abi.json
SwiftCompile normal arm64 Compiling\ Checkbox.swift /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
    cd /Users/admin/builder/spi-builder-workspace/.swiftpm/xcode

--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:1f3d4d37ac39b73e569a0a7ed2d949339dd767f9, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	SwiftCompile normal arm64 /Users/admin/builder/spi-builder-workspace/Sources/Checkbox/Checkbox.swift (in target 'Checkbox' from project 'Checkbox')
	SwiftEmitModule normal arm64 Emitting\ module\ for\ Checkbox (in target 'Checkbox' from project 'Checkbox')
	Building workspace spi-builder-workspace with scheme Checkbox
(3 failures)
BUILD FAILURE 6.1 macosXcodebuild