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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 DebugKit, reference main (ecfd72), with Swift 6.1 for iOS using Xcode 16.3 on 27 Apr 2025 06:36:55 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme DebugKit iOS -destination generic/platform=iOS

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/BottleRocketStudios/iOS-DebugKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/BottleRocketStudios/iOS-DebugKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at ecfd725 Merge pull request #9 from BottleRocketStudios/feature/import_issue
Cloned https://github.com/BottleRocketStudios/iOS-DebugKit.git
Revision (git rev-parse @):
ecfd7258521cafc3633580f08178eee6ebe98e2e
SUCCESS checkout https://github.com/BottleRocketStudios/iOS-DebugKit.git at main
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/BottleRocketStudios/iOS-DebugKit.git
https://github.com/BottleRocketStudios/iOS-DebugKit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DebugKit",
  "name" : "DebugKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "DebugKit",
      "targets" : [
        "DebugKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DebugKitTests",
      "module_type" : "SwiftTarget",
      "name" : "DebugKitTests",
      "path" : "Tests",
      "sources" : [
        "LogFileStorageTests.swift",
        "LogTests.swift"
      ],
      "target_dependencies" : [
        "DebugKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DebugKit",
      "module_type" : "SwiftTarget",
      "name" : "DebugKit",
      "path" : "Sources",
      "product_memberships" : [
        "DebugKit"
      ],
      "sources" : [
        "Core/Logs/Log.swift",
        "Core/Logs/LogService.swift",
        "Core/Logs/LogStorage.swift",
        "Core/Logs/Views/LogView.swift",
        "Core/Options/DebugOption.swift",
        "Core/Options/DebugOptionContentProviders.swift",
        "Core/Options/View Controller/DebugOptionsCollectionController.swift",
        "Core/Options/View Controller/DebugOptionsViewController.swift",
        "Core/Views/NoEntriesView.swift",
        "Metric Logs/Components/AverageLabel.swift",
        "Metric Logs/Components/HistogramView.swift",
        "Metric Logs/Components/MeasurementLabel.swift",
        "Metric Logs/Extensions/Formatters+Preset.swift",
        "Metric Logs/Extensions/NavigationLink+Metric.swift",
        "Metric Logs/Extensions/View+Modifiers.swift",
        "Metric Logs/LogService+Metrics.swift",
        "Metric Logs/MetricViews.swift",
        "Metric Logs/Model/Histogram.swift",
        "Metric Logs/Model/Metric.swift",
        "Metric Logs/Model/MetricPayload.swift",
        "Metric Logs/PayloadView.swift",
        "Notification Logs/LogService+Notifications.swift",
        "Notification Logs/Notification.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
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DebugKit",
  "name" : "DebugKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "DebugKit",
      "targets" : [
        "DebugKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DebugKitTests",
      "module_type" : "SwiftTarget",
      "name" : "DebugKitTests",
      "path" : "Tests",
      "sources" : [
        "LogFileStorageTests.swift",
        "LogTests.swift"
      ],
      "target_dependencies" : [
        "DebugKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DebugKit",
      "module_type" : "SwiftTarget",
      "name" : "DebugKit",
      "path" : "Sources",
      "product_memberships" : [
        "DebugKit"
      ],
      "sources" : [
        "Core/Logs/Log.swift",
        "Core/Logs/LogService.swift",
        "Core/Logs/LogStorage.swift",
        "Core/Logs/Views/LogView.swift",
        "Core/Options/DebugOption.swift",
        "Core/Options/DebugOptionContentProviders.swift",
        "Core/Options/View Controller/DebugOptionsCollectionController.swift",
        "Core/Options/View Controller/DebugOptionsViewController.swift",
        "Core/Views/NoEntriesView.swift",
        "Metric Logs/Components/AverageLabel.swift",
        "Metric Logs/Components/HistogramView.swift",
        "Metric Logs/Components/MeasurementLabel.swift",
        "Metric Logs/Extensions/Formatters+Preset.swift",
        "Metric Logs/Extensions/NavigationLink+Metric.swift",
        "Metric Logs/Extensions/View+Modifiers.swift",
        "Metric Logs/LogService+Metrics.swift",
        "Metric Logs/MetricViews.swift",
        "Metric Logs/Model/Histogram.swift",
        "Metric Logs/Model/Metric.swift",
        "Metric Logs/Model/MetricPayload.swift",
        "Metric Logs/PayloadView.swift",
        "Notification Logs/LogService+Notifications.swift",
        "Notification Logs/Notification.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "DebugKit",
    "schemes" : [
      "DebugKit iOS"
    ],
    "targets" : [
      "DebugKit iOS",
      "DebugKit iOSTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme DebugKit iOS -destination generic/platform=iOS 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 "DebugKit iOS" -destination generic/platform=iOS "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
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'DebugKit iOSTests' in project 'DebugKit'
        ➜ Explicit dependency on target 'DebugKit iOS' in project 'DebugKit'
    Target 'DebugKit iOS' in project 'DebugKit' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.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: a101adac15c8e89fbf0f9e9c07e8dd32
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a101adac15c8e89fbf0f9e9c07e8dd32.xcbuilddata
/Users/admin/builder/spi-builder-workspace/DebugKit.xcodeproj: error: Signing for "DebugKit iOSTests" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'DebugKit iOSTests' from project 'DebugKit')
** BUILD FAILED **
The following build commands failed:
	Building project DebugKit with scheme DebugKit iOS
(1 failure)
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DebugKit",
  "name" : "DebugKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "DebugKit",
      "targets" : [
        "DebugKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DebugKitTests",
      "module_type" : "SwiftTarget",
      "name" : "DebugKitTests",
      "path" : "Tests",
      "sources" : [
        "LogFileStorageTests.swift",
        "LogTests.swift"
      ],
      "target_dependencies" : [
        "DebugKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DebugKit",
      "module_type" : "SwiftTarget",
      "name" : "DebugKit",
      "path" : "Sources",
      "product_memberships" : [
        "DebugKit"
      ],
      "sources" : [
        "Core/Logs/Log.swift",
        "Core/Logs/LogService.swift",
        "Core/Logs/LogStorage.swift",
        "Core/Logs/Views/LogView.swift",
        "Core/Options/DebugOption.swift",
        "Core/Options/DebugOptionContentProviders.swift",
        "Core/Options/View Controller/DebugOptionsCollectionController.swift",
        "Core/Options/View Controller/DebugOptionsViewController.swift",
        "Core/Views/NoEntriesView.swift",
        "Metric Logs/Components/AverageLabel.swift",
        "Metric Logs/Components/HistogramView.swift",
        "Metric Logs/Components/MeasurementLabel.swift",
        "Metric Logs/Extensions/Formatters+Preset.swift",
        "Metric Logs/Extensions/NavigationLink+Metric.swift",
        "Metric Logs/Extensions/View+Modifiers.swift",
        "Metric Logs/LogService+Metrics.swift",
        "Metric Logs/MetricViews.swift",
        "Metric Logs/Model/Histogram.swift",
        "Metric Logs/Model/Metric.swift",
        "Metric Logs/Model/MetricPayload.swift",
        "Metric Logs/PayloadView.swift",
        "Notification Logs/LogService+Notifications.swift",
        "Notification Logs/Notification.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "DebugKit",
    "schemes" : [
      "DebugKit iOS"
    ],
    "targets" : [
      "DebugKit iOS",
      "DebugKit iOSTests"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme DebugKit iOS -destination generic/platform=iOS
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 "DebugKit iOS" -destination generic/platform=iOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (2 targets)
    Target 'DebugKit iOSTests' in project 'DebugKit'
        ➜ Explicit dependency on target 'DebugKit iOS' in project 'DebugKit'
    Target 'DebugKit iOS' in project 'DebugKit' (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/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.sdk -x c -c /dev/null
ExecuteExternalTool /Applications/Xcode-16.3.0.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -v -E -dM -arch arm64 -isysroot /Applications/Xcode-16.3.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS18.4.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: 23d07f9f6288f1a3b76ea4dccabd1f83
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/23d07f9f6288f1a3b76ea4dccabd1f83.xcbuilddata
/Users/admin/builder/spi-builder-workspace/DebugKit.xcodeproj: error: Signing for "DebugKit iOSTests" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'DebugKit iOSTests' from project 'DebugKit')
** BUILD FAILED **
The following build commands failed:
	Building project DebugKit with scheme DebugKit iOS
(1 failure)
BUILD FAILURE 6.1 iOS