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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 Transmission, reference 2.2.0 (e96dd3), with Swift 6.0 for macOS (Xcode) using Xcode 16.2 on 23 Apr 2025 19:54:50 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Transmission -destination platform=macOS,arch=arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.60.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/nathantannar4/Transmission.git
Reference: 2.2.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/nathantannar4/Transmission
 * tag               2.2.0      -> FETCH_HEAD
HEAD is now at e96dd3d 2.2.0
Cloned https://github.com/nathantannar4/Transmission.git
Revision (git rev-parse @):
e96dd3d51c7bcdee74292e07dcde88865f270527
SUCCESS checkout https://github.com/nathantannar4/Transmission.git at 2.2.0
========================================
Build
========================================
Selected platform:         macosXcodebuild
Swift version:             6.0
Building package at path:  $PWD
https://github.com/nathantannar4/Transmission.git
https://github.com/nathantannar4/Transmission.git
{
  "dependencies" : [
    {
      "identity" : "engine",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.1",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/nathantannar4/Engine"
    }
  ],
  "manifest_display_name" : "Transmission",
  "name" : "Transmission",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Transmission",
      "targets" : [
        "Transmission"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Transmission",
      "module_type" : "SwiftTarget",
      "name" : "Transmission",
      "path" : "Sources/Transmission",
      "product_dependencies" : [
        "Engine"
      ],
      "product_memberships" : [
        "Transmission"
      ],
      "sources" : [
        "Sources/DestinationCoordinator.swift",
        "Sources/DestinationLink.swift",
        "Sources/DestinationLinkAdapter.swift",
        "Sources/DestinationLinkModifier.swift",
        "Sources/DestinationLinkTransition.swift",
        "Sources/DestinationLinkTransitionRepresentable.swift",
        "Sources/DestinationSourceViewLink.swift",
        "Sources/DismissPresentationLink.swift",
        "Sources/DynamicProperty/WeakState.swift",
        "Sources/Extensions/Animation+Extensions.swift",
        "Sources/Extensions/CGAffineTransform+Extensions.swift",
        "Sources/Extensions/CGRect+Extensions.swift",
        "Sources/Extensions/UIColor+Extensions.swift",
        "Sources/Extensions/UIGestureRecognizer+Extensions.swift",
        "Sources/Extensions/UIKit+Extensions.swift",
        "Sources/Extensions/UINavigationController+Extensions.swift",
        "Sources/Extensions/UIScreen+Extensions.swift",
        "Sources/Extensions/UISheetPresentationController+Extensions.swift",
        "Sources/Extensions/UISplitViewController+Extensions.swift",
        "Sources/Extensions/UIView+Extensions.swift",
        "Sources/Extensions/UIViewController+Extensions.swift",
        "Sources/Extensions/UIWindow+Extensions.swift",
        "Sources/Hosting/AnyHostingView.swift",
        "Sources/Hosting/DestinationHostingController.swift",
        "Sources/Hosting/PresentationHostingController.swift",
        "Sources/Hosting/PresentationHostingWindow.swift",
        "Sources/Hosting/SnapshotRenderer.swift",
        "Sources/Presentation Controllers/CardPresentationController.swift",
        "Sources/Presentation Controllers/InteractivePresentationController.swift",
        "Sources/Presentation Controllers/MatchedGeometryPresentationController.swift",
        "Sources/Presentation Controllers/PopoverPresentationController.swift",
        "Sources/Presentation Controllers/PresentationController.swift",
        "Sources/Presentation Controllers/PresentationControllerTransition.swift",
        "Sources/Presentation Controllers/SheetPresentationController.swift",
        "Sources/Presentation Controllers/SlidePresentationController.swift",
        "Sources/Presentation Controllers/ToastPresentationController.swift",
        "Sources/PresentationCoordinator.swift",
        "Sources/PresentationLink.swift",
        "Sources/PresentationLinkAdapter.swift",
        "Sources/PresentationLinkAsymmetricTransition.swift",
        "Sources/PresentationLinkModifier.swift",
        "Sources/PresentationLinkTransition.swift",
        "Sources/PresentationLinkTransitionRepresentable.swift",
        "Sources/PresentationSourceViewLink.swift",
        "Sources/QuickLookPreviewLink.swift",
        "Sources/ShareSheetLink.swift",
        "Sources/StatusBarModifier.swift",
        "Sources/Supporting Files/ObjCBox.swift",
        "Sources/Supporting Files/PortalView.swift",
        "Sources/Supporting Files/PresentationDelegate.swift",
        "Sources/Supporting Files/TransitionSourceView.swift",
        "Sources/Supporting Files/WindowReader.swift",
        "Sources/TransitionReader+AppearanceTransition .swift",
        "Sources/TransitionReader.swift",
        "Sources/ViewControllerReader.swift",
        "Sources/ViewControllerRepresentableAdapter.swift",
        "Sources/ViewRepresentableAdapter.swift",
        "Sources/WindowLink.swift",
        "Sources/WindowLinkModifier.swift",
        "Sources/WindowLinkTransition.swift",
        "module.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Command line invocation:
    /Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Fetching from https://github.com/nathantannar4/Engine
Fetching from https://github.com/swiftlang/swift-syntax
Creating working copy of package ‘swift-syntax’
Checking out 600.0.1 of package ‘swift-syntax’
Creating working copy of package ‘Engine’
Checking out 2.1.1 of package ‘Engine’
Resolve Package Graph
Resolved source packages:
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
  Transmission: /Users/admin/builder/spi-builder-workspace
  Engine: https://github.com/nathantannar4/Engine @ 2.1.1
resolved source packages: swift-syntax, Transmission, Engine
{
  "dependencies" : [
    {
      "identity" : "engine",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.1",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/nathantannar4/Engine"
    }
  ],
  "manifest_display_name" : "Transmission",
  "name" : "Transmission",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Transmission",
      "targets" : [
        "Transmission"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Transmission",
      "module_type" : "SwiftTarget",
      "name" : "Transmission",
      "path" : "Sources/Transmission",
      "product_dependencies" : [
        "Engine"
      ],
      "product_memberships" : [
        "Transmission"
      ],
      "sources" : [
        "Sources/DestinationCoordinator.swift",
        "Sources/DestinationLink.swift",
        "Sources/DestinationLinkAdapter.swift",
        "Sources/DestinationLinkModifier.swift",
        "Sources/DestinationLinkTransition.swift",
        "Sources/DestinationLinkTransitionRepresentable.swift",
        "Sources/DestinationSourceViewLink.swift",
        "Sources/DismissPresentationLink.swift",
        "Sources/DynamicProperty/WeakState.swift",
        "Sources/Extensions/Animation+Extensions.swift",
        "Sources/Extensions/CGAffineTransform+Extensions.swift",
        "Sources/Extensions/CGRect+Extensions.swift",
        "Sources/Extensions/UIColor+Extensions.swift",
        "Sources/Extensions/UIGestureRecognizer+Extensions.swift",
        "Sources/Extensions/UIKit+Extensions.swift",
        "Sources/Extensions/UINavigationController+Extensions.swift",
        "Sources/Extensions/UIScreen+Extensions.swift",
        "Sources/Extensions/UISheetPresentationController+Extensions.swift",
        "Sources/Extensions/UISplitViewController+Extensions.swift",
        "Sources/Extensions/UIView+Extensions.swift",
        "Sources/Extensions/UIViewController+Extensions.swift",
        "Sources/Extensions/UIWindow+Extensions.swift",
        "Sources/Hosting/AnyHostingView.swift",
        "Sources/Hosting/DestinationHostingController.swift",
        "Sources/Hosting/PresentationHostingController.swift",
        "Sources/Hosting/PresentationHostingWindow.swift",
        "Sources/Hosting/SnapshotRenderer.swift",
        "Sources/Presentation Controllers/CardPresentationController.swift",
        "Sources/Presentation Controllers/InteractivePresentationController.swift",
        "Sources/Presentation Controllers/MatchedGeometryPresentationController.swift",
        "Sources/Presentation Controllers/PopoverPresentationController.swift",
        "Sources/Presentation Controllers/PresentationController.swift",
        "Sources/Presentation Controllers/PresentationControllerTransition.swift",
        "Sources/Presentation Controllers/SheetPresentationController.swift",
        "Sources/Presentation Controllers/SlidePresentationController.swift",
        "Sources/Presentation Controllers/ToastPresentationController.swift",
        "Sources/PresentationCoordinator.swift",
        "Sources/PresentationLink.swift",
        "Sources/PresentationLinkAdapter.swift",
        "Sources/PresentationLinkAsymmetricTransition.swift",
        "Sources/PresentationLinkModifier.swift",
        "Sources/PresentationLinkTransition.swift",
        "Sources/PresentationLinkTransitionRepresentable.swift",
        "Sources/PresentationSourceViewLink.swift",
        "Sources/QuickLookPreviewLink.swift",
        "Sources/ShareSheetLink.swift",
        "Sources/StatusBarModifier.swift",
        "Sources/Supporting Files/ObjCBox.swift",
        "Sources/Supporting Files/PortalView.swift",
        "Sources/Supporting Files/PresentationDelegate.swift",
        "Sources/Supporting Files/TransitionSourceView.swift",
        "Sources/Supporting Files/WindowReader.swift",
        "Sources/TransitionReader+AppearanceTransition .swift",
        "Sources/TransitionReader.swift",
        "Sources/ViewControllerReader.swift",
        "Sources/ViewControllerRepresentableAdapter.swift",
        "Sources/ViewRepresentableAdapter.swift",
        "Sources/WindowLink.swift",
        "Sources/WindowLinkModifier.swift",
        "Sources/WindowLinkTransition.swift",
        "module.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Transmission"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Transmission -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-16.2.0.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 Transmission -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"
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
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
Resolve Package Graph
Resolved source packages:
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
  Transmission: /Users/admin/builder/spi-builder-workspace
  Engine: https://github.com/nathantannar4/Engine @ 2.1.1
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (6 targets)
    Target 'Transmission' in project 'Transmission'
        ➜ Explicit dependency on target 'Transmission' in project 'Transmission'
        ➜ Explicit dependency on target 'Engine' in project 'Engine'
    Target 'Transmission' in project 'Transmission'
        ➜ Explicit dependency on target 'Engine' in project 'Engine'
    Target 'Engine' in project 'Engine'
        ➜ Explicit dependency on target 'Engine' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCoreC' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCore' in project 'Engine'
    Target 'Engine' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCoreC' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCore' in project 'Engine'
    Target 'EngineCore' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCoreC' in project 'Engine'
    Target 'EngineCoreC' in project 'Engine' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: 42a28fd0ee442bf9526494824aad2276
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/42a28fd0ee442bf9526494824aad2276.xcbuilddata
error: The package product 'Engine' requires minimum platform version 10.15 for the macOS platform, but this target supports 10.13 (in target 'Transmission' from project 'Transmission')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Transmission
(1 failure)
Command line invocation:
    /Applications/Xcode-16.2.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  Engine: https://github.com/nathantannar4/Engine @ 2.1.1
  Transmission: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
resolved source packages: Engine, Transmission, swift-syntax
{
  "dependencies" : [
    {
      "identity" : "engine",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.1.1",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/nathantannar4/Engine"
    }
  ],
  "manifest_display_name" : "Transmission",
  "name" : "Transmission",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Transmission",
      "targets" : [
        "Transmission"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Transmission",
      "module_type" : "SwiftTarget",
      "name" : "Transmission",
      "path" : "Sources/Transmission",
      "product_dependencies" : [
        "Engine"
      ],
      "product_memberships" : [
        "Transmission"
      ],
      "sources" : [
        "Sources/DestinationCoordinator.swift",
        "Sources/DestinationLink.swift",
        "Sources/DestinationLinkAdapter.swift",
        "Sources/DestinationLinkModifier.swift",
        "Sources/DestinationLinkTransition.swift",
        "Sources/DestinationLinkTransitionRepresentable.swift",
        "Sources/DestinationSourceViewLink.swift",
        "Sources/DismissPresentationLink.swift",
        "Sources/DynamicProperty/WeakState.swift",
        "Sources/Extensions/Animation+Extensions.swift",
        "Sources/Extensions/CGAffineTransform+Extensions.swift",
        "Sources/Extensions/CGRect+Extensions.swift",
        "Sources/Extensions/UIColor+Extensions.swift",
        "Sources/Extensions/UIGestureRecognizer+Extensions.swift",
        "Sources/Extensions/UIKit+Extensions.swift",
        "Sources/Extensions/UINavigationController+Extensions.swift",
        "Sources/Extensions/UIScreen+Extensions.swift",
        "Sources/Extensions/UISheetPresentationController+Extensions.swift",
        "Sources/Extensions/UISplitViewController+Extensions.swift",
        "Sources/Extensions/UIView+Extensions.swift",
        "Sources/Extensions/UIViewController+Extensions.swift",
        "Sources/Extensions/UIWindow+Extensions.swift",
        "Sources/Hosting/AnyHostingView.swift",
        "Sources/Hosting/DestinationHostingController.swift",
        "Sources/Hosting/PresentationHostingController.swift",
        "Sources/Hosting/PresentationHostingWindow.swift",
        "Sources/Hosting/SnapshotRenderer.swift",
        "Sources/Presentation Controllers/CardPresentationController.swift",
        "Sources/Presentation Controllers/InteractivePresentationController.swift",
        "Sources/Presentation Controllers/MatchedGeometryPresentationController.swift",
        "Sources/Presentation Controllers/PopoverPresentationController.swift",
        "Sources/Presentation Controllers/PresentationController.swift",
        "Sources/Presentation Controllers/PresentationControllerTransition.swift",
        "Sources/Presentation Controllers/SheetPresentationController.swift",
        "Sources/Presentation Controllers/SlidePresentationController.swift",
        "Sources/Presentation Controllers/ToastPresentationController.swift",
        "Sources/PresentationCoordinator.swift",
        "Sources/PresentationLink.swift",
        "Sources/PresentationLinkAdapter.swift",
        "Sources/PresentationLinkAsymmetricTransition.swift",
        "Sources/PresentationLinkModifier.swift",
        "Sources/PresentationLinkTransition.swift",
        "Sources/PresentationLinkTransitionRepresentable.swift",
        "Sources/PresentationSourceViewLink.swift",
        "Sources/QuickLookPreviewLink.swift",
        "Sources/ShareSheetLink.swift",
        "Sources/StatusBarModifier.swift",
        "Sources/Supporting Files/ObjCBox.swift",
        "Sources/Supporting Files/PortalView.swift",
        "Sources/Supporting Files/PresentationDelegate.swift",
        "Sources/Supporting Files/TransitionSourceView.swift",
        "Sources/Supporting Files/WindowReader.swift",
        "Sources/TransitionReader+AppearanceTransition .swift",
        "Sources/TransitionReader.swift",
        "Sources/ViewControllerReader.swift",
        "Sources/ViewControllerRepresentableAdapter.swift",
        "Sources/ViewRepresentableAdapter.swift",
        "Sources/WindowLink.swift",
        "Sources/WindowLinkModifier.swift",
        "Sources/WindowLinkTransition.swift",
        "module.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
{
  "workspace" : {
    "name" : "spi-builder-workspace",
    "schemes" : [
      "Transmission"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Transmission -destination platform=macOS,arch=arm64
Command line invocation:
    /Applications/Xcode-16.2.0.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 Transmission -destination platform=macOS,arch=arm64
User defaults from command line:
    IDEClonedSourcePackagesDirPathOverride = /Users/admin/builder/spi-builder-workspace/.dependencies
    IDEDerivedDataPathOverride = /Users/admin/builder/spi-builder-workspace/.derivedData
    IDEPackageSupportUseBuiltinSCM = YES
Resolve Package Graph
Resolved source packages:
  Engine: https://github.com/nathantannar4/Engine @ 2.1.1
  Transmission: /Users/admin/builder/spi-builder-workspace
  swift-syntax: https://github.com/swiftlang/swift-syntax @ 600.0.1
Prepare packages
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (6 targets)
    Target 'Transmission' in project 'Transmission'
        ➜ Explicit dependency on target 'Transmission' in project 'Transmission'
        ➜ Explicit dependency on target 'Engine' in project 'Engine'
    Target 'Transmission' in project 'Transmission'
        ➜ Explicit dependency on target 'Engine' in project 'Engine'
    Target 'Engine' in project 'Engine'
        ➜ Explicit dependency on target 'Engine' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCoreC' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCore' in project 'Engine'
    Target 'Engine' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCoreC' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCore' in project 'Engine'
    Target 'EngineCore' in project 'Engine'
        ➜ Explicit dependency on target 'EngineCoreC' in project 'Engine'
    Target 'EngineCoreC' in project 'Engine' (no dependencies)
GatherProvisioningInputs
CreateBuildDescription
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc --version
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -isysroot /Applications/Xcode-16.2.0.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX15.2.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.2.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld -version_details
Build description signature: fc1a670ee4fd1048269fa7a028b7f422
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/fc1a670ee4fd1048269fa7a028b7f422.xcbuilddata
error: The package product 'Engine' requires minimum platform version 10.15 for the macOS platform, but this target supports 10.13 (in target 'Transmission' from project 'Transmission')
--- xcodebuild: WARNING: Using the first of multiple matching destinations:
{ platform:macOS, arch:arm64, id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
{ platform:macOS, arch:arm64, variant:Mac Catalyst, id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
{ platform:macOS, arch:arm64, variant:DriverKit, id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
{ platform:macOS, arch:arm64, variant:Designed for [iPad,iPhone], id:6af9079885df7e9fb197376681957957df250232, name:My Mac }
** BUILD FAILED **
The following build commands failed:
	Building workspace spi-builder-workspace with scheme Transmission
(1 failure)
BUILD FAILURE 6.0 macosXcodebuild