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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 Commander, reference 0.6.3 (7791c4), with Swift 6.1 for tvOS using Xcode 16.3 on 26 Apr 2025 05:28:50 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/devedbox/commander.git
Reference: 0.6.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/devedbox/commander
 * tag               0.6.3      -> FETCH_HEAD
HEAD is now at 7791c48 feat: Updates the type alias for subcommands.
Cloned https://github.com/devedbox/commander.git
Revision (git rev-parse @):
7791c480a2e508229a14275630612bfea3d3c0b2
SUCCESS checkout https://github.com/devedbox/commander.git at 0.6.3
========================================
Build
========================================
Selected platform:         tvOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/devedbox/commander.git
https://github.com/devedbox/commander.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Commander",
  "name" : "Commander",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Commander",
      "targets" : [
        "Commander"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "commander-sample",
      "targets" : [
        "commander-sample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "commander_sample",
      "module_type" : "SwiftTarget",
      "name" : "commander-sample",
      "path" : "Sources/commander-sample",
      "product_memberships" : [
        "commander-sample"
      ],
      "sources" : [
        "SampleCommand.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "Commander"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "UtilityTests",
      "module_type" : "SwiftTarget",
      "name" : "UtilityTests",
      "path" : "Tests/UtilityTests",
      "sources" : [
        "Bool+Tests.swift",
        "CommandLineTests.swift",
        "Optional+Tests.swift",
        "String+Tests.swift",
        "UtilityTests.swift"
      ],
      "target_dependencies" : [
        "Utility"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Utility",
      "module_type" : "SwiftTarget",
      "name" : "Utility",
      "path" : "Sources/Utility",
      "product_memberships" : [
        "Commander",
        "commander-sample"
      ],
      "sources" : [
        "Bool+.swift",
        "Collection+.swift",
        "CommandLine.swift",
        "Optional+.swift",
        "String+.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CommanderTests",
      "module_type" : "SwiftTarget",
      "name" : "CommanderTests",
      "path" : "Tests/CommanderTests",
      "sources" : [
        "CommandPathTests.swift",
        "CommandTests.swift",
        "CommanderTests.swift",
        "GlobalOptionsTests.swift",
        "OptionsDecoderTests.swift",
        "WrappedCommandTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Commander"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Commander",
      "module_type" : "SwiftTarget",
      "name" : "Commander",
      "path" : "Sources/Commander",
      "product_memberships" : [
        "Commander",
        "commander-sample"
      ],
      "sources" : [
        "Built-Ins/BuiltIn.swift",
        "Built-Ins/Commands/Complete.swift",
        "Built-Ins/Commands/Help.swift",
        "Commander.swift",
        "Commands/CommandDescriber.swift",
        "Commands/CommandPath.swift",
        "Commands/CommandRepresentable.swift",
        "Error.swift",
        "Options/DefaultOptions.swift",
        "Options/Option.swift",
        "Options/OptionDescription.swift",
        "Options/OptionsDecoder.swift",
        "Options/OptionsRepresentable.swift",
        "Shell.swift",
        "misc.swift"
      ],
      "target_dependencies" : [
        "Utility"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
resolved source packages:
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Commander",
  "name" : "Commander",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Commander",
      "targets" : [
        "Commander"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "commander-sample",
      "targets" : [
        "commander-sample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "commander_sample",
      "module_type" : "SwiftTarget",
      "name" : "commander-sample",
      "path" : "Sources/commander-sample",
      "product_memberships" : [
        "commander-sample"
      ],
      "sources" : [
        "SampleCommand.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "Commander"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "UtilityTests",
      "module_type" : "SwiftTarget",
      "name" : "UtilityTests",
      "path" : "Tests/UtilityTests",
      "sources" : [
        "Bool+Tests.swift",
        "CommandLineTests.swift",
        "Optional+Tests.swift",
        "String+Tests.swift",
        "UtilityTests.swift"
      ],
      "target_dependencies" : [
        "Utility"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Utility",
      "module_type" : "SwiftTarget",
      "name" : "Utility",
      "path" : "Sources/Utility",
      "product_memberships" : [
        "Commander",
        "commander-sample"
      ],
      "sources" : [
        "Bool+.swift",
        "Collection+.swift",
        "CommandLine.swift",
        "Optional+.swift",
        "String+.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CommanderTests",
      "module_type" : "SwiftTarget",
      "name" : "CommanderTests",
      "path" : "Tests/CommanderTests",
      "sources" : [
        "CommandPathTests.swift",
        "CommandTests.swift",
        "CommanderTests.swift",
        "GlobalOptionsTests.swift",
        "OptionsDecoderTests.swift",
        "WrappedCommandTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Commander"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Commander",
      "module_type" : "SwiftTarget",
      "name" : "Commander",
      "path" : "Sources/Commander",
      "product_memberships" : [
        "Commander",
        "commander-sample"
      ],
      "sources" : [
        "Built-Ins/BuiltIn.swift",
        "Built-Ins/Commands/Complete.swift",
        "Built-Ins/Commands/Help.swift",
        "Commander.swift",
        "Commands/CommandDescriber.swift",
        "Commands/CommandPath.swift",
        "Commands/CommandRepresentable.swift",
        "Error.swift",
        "Options/DefaultOptions.swift",
        "Options/Option.swift",
        "Options/OptionDescription.swift",
        "Options/OptionsDecoder.swift",
        "Options/OptionsRepresentable.swift",
        "Shell.swift",
        "misc.swift"
      ],
      "target_dependencies" : [
        "Utility"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Commander",
    "schemes" : [
      "Commander-Package",
      "commander-sample"
    ],
    "targets" : [
      "Commander",
      "CommanderPackageDescription",
      "CommanderPackageTests",
      "CommanderTests",
      "Utility",
      "UtilityTests",
      "commander-sample"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Commander-Package -destination generic/platform=tvOS 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 Commander-Package -destination generic/platform=tvOS "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 (3 targets)
    Target 'commander-sample' in project 'Commander'
        ➜ Explicit dependency on target 'Commander' in project 'Commander'
        ➜ Explicit dependency on target 'Utility' in project 'Commander'
    Target 'Commander' in project 'Commander'
        ➜ Explicit dependency on target 'Utility' in project 'Commander'
    Target 'Utility' in project 'Commander' (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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.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: a9454488d293846386d05011848e87ae
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/a9454488d293846386d05011848e87ae.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: warning: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 9.0, but the range of supported deployment target versions is 12.0 to 18.4.99. (in target 'Commander' from project 'Commander')
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: warning: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 9.0, but the range of supported deployment target versions is 12.0 to 18.4.99. (in target 'commander-sample' from project 'Commander')
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: error: Signing for "commander-sample" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'commander-sample' from project 'Commander')
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: warning: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 9.0, but the range of supported deployment target versions is 12.0 to 18.4.99. (in target 'Utility' from project 'Commander')
** BUILD FAILED **
The following build commands failed:
	Building project Commander with scheme Commander-Package
(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" : "Commander",
  "name" : "Commander",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Commander",
      "targets" : [
        "Commander"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "commander-sample",
      "targets" : [
        "commander-sample"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "commander_sample",
      "module_type" : "SwiftTarget",
      "name" : "commander-sample",
      "path" : "Sources/commander-sample",
      "product_memberships" : [
        "commander-sample"
      ],
      "sources" : [
        "SampleCommand.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "Commander"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "UtilityTests",
      "module_type" : "SwiftTarget",
      "name" : "UtilityTests",
      "path" : "Tests/UtilityTests",
      "sources" : [
        "Bool+Tests.swift",
        "CommandLineTests.swift",
        "Optional+Tests.swift",
        "String+Tests.swift",
        "UtilityTests.swift"
      ],
      "target_dependencies" : [
        "Utility"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Utility",
      "module_type" : "SwiftTarget",
      "name" : "Utility",
      "path" : "Sources/Utility",
      "product_memberships" : [
        "Commander",
        "commander-sample"
      ],
      "sources" : [
        "Bool+.swift",
        "Collection+.swift",
        "CommandLine.swift",
        "Optional+.swift",
        "String+.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "CommanderTests",
      "module_type" : "SwiftTarget",
      "name" : "CommanderTests",
      "path" : "Tests/CommanderTests",
      "sources" : [
        "CommandPathTests.swift",
        "CommandTests.swift",
        "CommanderTests.swift",
        "GlobalOptionsTests.swift",
        "OptionsDecoderTests.swift",
        "WrappedCommandTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Commander"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Commander",
      "module_type" : "SwiftTarget",
      "name" : "Commander",
      "path" : "Sources/Commander",
      "product_memberships" : [
        "Commander",
        "commander-sample"
      ],
      "sources" : [
        "Built-Ins/BuiltIn.swift",
        "Built-Ins/Commands/Complete.swift",
        "Built-Ins/Commands/Help.swift",
        "Commander.swift",
        "Commands/CommandDescriber.swift",
        "Commands/CommandPath.swift",
        "Commands/CommandRepresentable.swift",
        "Error.swift",
        "Options/DefaultOptions.swift",
        "Options/Option.swift",
        "Options/OptionDescription.swift",
        "Options/OptionsDecoder.swift",
        "Options/OptionsRepresentable.swift",
        "Shell.swift",
        "misc.swift"
      ],
      "target_dependencies" : [
        "Utility"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "Commander",
    "schemes" : [
      "Commander-Package",
      "commander-sample"
    ],
    "targets" : [
      "Commander",
      "CommanderPackageDescription",
      "CommanderPackageTests",
      "CommanderTests",
      "Utility",
      "UtilityTests",
      "commander-sample"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme Commander-Package -destination generic/platform=tvOS
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 Commander-Package -destination generic/platform=tvOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (3 targets)
    Target 'commander-sample' in project 'Commander'
        ➜ Explicit dependency on target 'Commander' in project 'Commander'
        ➜ Explicit dependency on target 'Utility' in project 'Commander'
    Target 'Commander' in project 'Commander'
        ➜ Explicit dependency on target 'Utility' in project 'Commander'
    Target 'Utility' in project 'Commander' (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/AppleTVOS.platform/Developer/SDKs/AppleTVOS18.4.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: 1c1b74c449103fae4f62a88a757e99e0
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/1c1b74c449103fae4f62a88a757e99e0.xcbuilddata
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: warning: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 9.0, but the range of supported deployment target versions is 12.0 to 18.4.99. (in target 'Commander' from project 'Commander')
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: warning: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 9.0, but the range of supported deployment target versions is 12.0 to 18.4.99. (in target 'Utility' from project 'Commander')
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: warning: The tvOS deployment target 'TVOS_DEPLOYMENT_TARGET' is set to 9.0, but the range of supported deployment target versions is 12.0 to 18.4.99. (in target 'commander-sample' from project 'Commander')
/Users/admin/builder/spi-builder-workspace/Commander.xcodeproj: error: Signing for "commander-sample" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'commander-sample' from project 'Commander')
** BUILD FAILED **
The following build commands failed:
	Building project Commander with scheme Commander-Package
(1 failure)
BUILD FAILURE 6.1 tvOS