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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 vipergen, reference master (7cf919), with Swift 6.1 for watchOS using Xcode 16.3 on 24 Apr 2025 22:27:22 UTC.

Build Command

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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/che1404/vipergen.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/che1404/vipergen
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 7cf9197 Merge pull request #1 from oinsider/master
Cloned https://github.com/che1404/vipergen.git
Revision (git rev-parse @):
7cf919747355ce976e3e3953da430cfc3fa4f44c
SUCCESS checkout https://github.com/che1404/vipergen.git at master
========================================
Build
========================================
Selected platform:         watchOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/che1404/vipergen.git
https://github.com/che1404/vipergen.git
{
  "dependencies" : [
    {
      "identity" : "commander",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.9.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Commander.git"
    },
    {
      "identity" : "stencil",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Stencil.git"
    },
    {
      "identity" : "files",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/Files.git"
    }
  ],
  "manifest_display_name" : "vipergen",
  "name" : "vipergen",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "vipergen",
      "targets" : [
        "vipergen"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "vipergen",
      "module_type" : "SwiftTarget",
      "name" : "vipergen",
      "path" : "Sources/vipergen",
      "product_dependencies" : [
        "Stencil",
        "Commander",
        "Files"
      ],
      "product_memberships" : [
        "vipergen"
      ],
      "sources" : [
        "TemplateRenderer.swift",
        "TemplateRendererStencil.swift",
        "Vipergen.swift",
        "VipergenConfiguration.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
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" : [
    {
      "identity" : "commander",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.9.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Commander.git"
    },
    {
      "identity" : "stencil",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Stencil.git"
    },
    {
      "identity" : "files",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/Files.git"
    }
  ],
  "manifest_display_name" : "vipergen",
  "name" : "vipergen",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "vipergen",
      "targets" : [
        "vipergen"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "vipergen",
      "module_type" : "SwiftTarget",
      "name" : "vipergen",
      "path" : "Sources/vipergen",
      "product_dependencies" : [
        "Stencil",
        "Commander",
        "Files"
      ],
      "product_memberships" : [
        "vipergen"
      ],
      "sources" : [
        "TemplateRenderer.swift",
        "TemplateRendererStencil.swift",
        "Vipergen.swift",
        "VipergenConfiguration.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "vipergen",
    "schemes" : [
      "vipergen",
      "vipergen-Package"
    ],
    "targets" : [
      "Commander",
      "CommanderPackageDescription",
      "Files",
      "FilesPackageDescription",
      "PathKit",
      "PathKitPackageDescription",
      "Stencil",
      "StencilPackageDescription",
      "vipergen",
      "vipergenPackageDescription"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme vipergen-Package -destination generic/platform=watchOS 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 vipergen-Package -destination generic/platform=watchOS "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 (5 targets)
    Target 'vipergen' in project 'vipergen'
        ➜ Explicit dependency on target 'Files' in project 'vipergen'
        ➜ Explicit dependency on target 'Commander' in project 'vipergen'
        ➜ Explicit dependency on target 'Stencil' in project 'vipergen'
        ➜ Explicit dependency on target 'PathKit' in project 'vipergen'
    Target 'Stencil' in project 'vipergen'
        ➜ Explicit dependency on target 'PathKit' in project 'vipergen'
    Target 'PathKit' in project 'vipergen' (no dependencies)
    Target 'Commander' in project 'vipergen' (no dependencies)
    Target 'Files' in project 'vipergen' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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: b1f04e5d828f6cb3389bdce864f25fc5
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/b1f04e5d828f6cb3389bdce864f25fc5.xcbuilddata
/Users/admin/builder/spi-builder-workspace/vipergen.xcodeproj: error: Signing for "vipergen" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'vipergen' from project 'vipergen')
/Users/admin/builder/spi-builder-workspace/vipergen.xcodeproj: warning: The watchOS deployment target 'WATCHOS_DEPLOYMENT_TARGET' is set to 2.0, but the range of supported deployment target versions is 4.0 to 11.4.99. (in target 'Files' from project 'vipergen')
** BUILD FAILED **
The following build commands failed:
	Building project vipergen with scheme vipergen-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" : [
    {
      "identity" : "commander",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.9.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Commander.git"
    },
    {
      "identity" : "stencil",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.13.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Stencil.git"
    },
    {
      "identity" : "files",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.0.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/JohnSundell/Files.git"
    }
  ],
  "manifest_display_name" : "vipergen",
  "name" : "vipergen",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "vipergen",
      "targets" : [
        "vipergen"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "vipergen",
      "module_type" : "SwiftTarget",
      "name" : "vipergen",
      "path" : "Sources/vipergen",
      "product_dependencies" : [
        "Stencil",
        "Commander",
        "Files"
      ],
      "product_memberships" : [
        "vipergen"
      ],
      "sources" : [
        "TemplateRenderer.swift",
        "TemplateRendererStencil.swift",
        "Vipergen.swift",
        "VipergenConfiguration.swift",
        "main.swift"
      ],
      "type" : "executable"
    }
  ],
  "tools_version" : "4.0"
}
{
  "project" : {
    "configurations" : [
      "Debug",
      "Release"
    ],
    "name" : "vipergen",
    "schemes" : [
      "vipergen",
      "vipergen-Package"
    ],
    "targets" : [
      "Commander",
      "CommanderPackageDescription",
      "Files",
      "FilesPackageDescription",
      "PathKit",
      "PathKitPackageDescription",
      "Stencil",
      "StencilPackageDescription",
      "vipergen",
      "vipergenPackageDescription"
    ]
  }
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun xcodebuild -IDEClonedSourcePackagesDirPathOverride=$PWD/.dependencies -skipMacroValidation -skipPackagePluginValidation -derivedDataPath $PWD/.derivedData build -scheme vipergen-Package -destination generic/platform=watchOS
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 vipergen-Package -destination generic/platform=watchOS
ComputePackagePrebuildTargetDependencyGraph
Prepare packages
CreateBuildRequest
SendProjectDescription
CreateBuildOperation
ComputeTargetDependencyGraph
note: Building targets in dependency order
note: Target dependency graph (5 targets)
    Target 'vipergen' in project 'vipergen'
        ➜ Explicit dependency on target 'Files' in project 'vipergen'
        ➜ Explicit dependency on target 'Commander' in project 'vipergen'
        ➜ Explicit dependency on target 'Stencil' in project 'vipergen'
        ➜ Explicit dependency on target 'PathKit' in project 'vipergen'
    Target 'Stencil' in project 'vipergen'
        ➜ Explicit dependency on target 'PathKit' in project 'vipergen'
    Target 'PathKit' in project 'vipergen' (no dependencies)
    Target 'Commander' in project 'vipergen' (no dependencies)
    Target 'Files' in project 'vipergen' (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/WatchOS.platform/Developer/SDKs/WatchOS11.4.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: 179b90482729dca16045850ac0a7e14f
Build description path: /Users/admin/builder/spi-builder-workspace/.derivedData/Build/Intermediates.noindex/XCBuildData/179b90482729dca16045850ac0a7e14f.xcbuilddata
/Users/admin/builder/spi-builder-workspace/vipergen.xcodeproj: warning: The watchOS deployment target 'WATCHOS_DEPLOYMENT_TARGET' is set to 2.0, but the range of supported deployment target versions is 4.0 to 11.4.99. (in target 'Files' from project 'vipergen')
/Users/admin/builder/spi-builder-workspace/vipergen.xcodeproj: error: Signing for "vipergen" requires a development team. Select a development team in the Signing & Capabilities editor. (in target 'vipergen' from project 'vipergen')
** BUILD FAILED **
The following build commands failed:
	Building project vipergen with scheme vipergen-Package
(1 failure)
BUILD FAILURE 6.1 watchOS