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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

Successful build of Stencil, reference 0.16.1 (0126cb), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 10:14:44 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/MFB-Technologies-Inc/Stencil.git
Reference: 0.16.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/MFB-Technologies-Inc/Stencil
 * tag               0.16.1     -> FETCH_HEAD
HEAD is now at 0126cb1 Merge pull request #2 from MFB-Technologies-Inc/feature/concurrency
Cloned https://github.com/MFB-Technologies-Inc/Stencil.git
Revision (git rev-parse @):
0126cb11c1379b4a2ed3698a62ed56a955605896
SUCCESS checkout https://github.com/MFB-Technologies-Inc/Stencil.git at 0.16.1
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/MFB-Technologies-Inc/Stencil.git
https://github.com/MFB-Technologies-Inc/Stencil.git
{
  "dependencies" : [
    {
      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/MFB-Technologies-Inc/PathKit.git"
    }
  ],
  "manifest_display_name" : "Stencil",
  "name" : "Stencil",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Stencil",
      "targets" : [
        "Stencil"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StencilTests",
      "module_type" : "SwiftTarget",
      "name" : "StencilTests",
      "path" : "Tests/StencilTests",
      "sources" : [
        "ContextTests.swift",
        "EnvironmentBaseAndChildTemplateTests.swift",
        "EnvironmentIncludeTemplateTests.swift",
        "EnvironmentTests.swift",
        "ExpressionTests.swift",
        "FilterTagTests.swift",
        "FilterTests.swift",
        "ForNodeTests.swift",
        "Helpers/ErrorNode.swift",
        "Helpers/ExampleLoader.swift",
        "Helpers/StencilTestCase.swift",
        "IfNodeTests.swift",
        "IncludeTests.swift",
        "InheritanceTests.swift",
        "LexerTests.swift",
        "LoaderTests.swift",
        "NodeTests.swift",
        "NowNodeTests.swift",
        "ParserTests.swift",
        "StencilTests.swift",
        "TemplateTests.swift",
        "TokenTests.swift",
        "TrimBehaviourTests.swift",
        "VariableTests.swift",
        "fixtures/Fixtures+Base.swift",
        "fixtures/Fixtures+BaseRepeat.swift",
        "fixtures/Fixtures+Child.swift",
        "fixtures/Fixtures+ChildChild.swift",
        "fixtures/Fixtures+ChildRepeat.swift",
        "fixtures/Fixtures+ChildSuper.swift",
        "fixtures/Fixtures+Huge.swift",
        "fixtures/Fixtures+IfBlock.swift",
        "fixtures/Fixtures+IfBlockChild.swift",
        "fixtures/Fixtures+InvalidBase.swift",
        "fixtures/Fixtures+InvalidChildSuper.swift",
        "fixtures/Fixtures+InvalidInclude.swift",
        "fixtures/Fixtures+Test.swift",
        "fixtures/Fixtures.swift"
      ],
      "target_dependencies" : [
        "Stencil"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Stencil",
      "module_type" : "SwiftTarget",
      "name" : "Stencil",
      "path" : "Sources/Stencil",
      "product_dependencies" : [
        "PathKit"
      ],
      "product_memberships" : [
        "Stencil"
      ],
      "sources" : [
        "Context.swift",
        "DynamicMemberLookup.swift",
        "Environment.swift",
        "Errors.swift",
        "Expression.swift",
        "Extension.swift",
        "FilterTag.swift",
        "Filters.swift",
        "ForTag.swift",
        "IfTag.swift",
        "Include.swift",
        "Inheritance.swift",
        "KeyPath.swift",
        "LazyValueWrapper.swift",
        "Lexer.swift",
        "Loader.swift",
        "Node.swift",
        "NowTag.swift",
        "Parser.swift",
        "Template.swift",
        "Tokenizer.swift",
        "TrimBehaviour.swift",
        "Variable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-2F0A5646E1D333AE.txt
[4/16] Compiling PathKit Path+PathInfo.swift
[5/16] Compiling PathKit Path+Traversing.swift
[6/17] Compiling PathKit Path+FileManipulation.swift
[7/17] Compiling PathKit Path+FileInfo.swift
[8/17] Compiling PathKit Path+Sequence.swift
[9/17] Compiling PathKit Path+Globbing.swift
[10/17] Compiling PathKit Operators.swift
[11/17] Compiling PathKit Path+Components.swift
[12/17] Compiling PathKit DefaultFileSystemInfo.swift
[13/17] Compiling PathKit FileSystemInfo.swift
[14/17] Emitting module PathKit
[15/17] Compiling PathKit Path+Contents.swift
[16/17] Compiling PathKit Path+Directories.swift
[17/17] Compiling PathKit Path.swift
[18/39] Emitting module Stencil
[19/41] Compiling Stencil Inheritance.swift
[20/41] Compiling Stencil KeyPath.swift
[21/41] Compiling Stencil LazyValueWrapper.swift
[22/41] Compiling Stencil Lexer.swift
[23/41] Compiling Stencil Template.swift
[24/41] Compiling Stencil Tokenizer.swift
[25/41] Compiling Stencil NowTag.swift
[26/41] Compiling Stencil Parser.swift
[27/41] Compiling Stencil Errors.swift
[28/41] Compiling Stencil Expression.swift
[29/41] Compiling Stencil Extension.swift
[30/41] Compiling Stencil Context.swift
[31/41] Compiling Stencil DynamicMemberLookup.swift
[32/41] Compiling Stencil Environment.swift
[33/41] Compiling Stencil IfTag.swift
[34/41] Compiling Stencil Include.swift
[35/41] Compiling Stencil Loader.swift
[36/41] Compiling Stencil Node.swift
[37/41] Compiling Stencil FilterTag.swift
[38/41] Compiling Stencil Filters.swift
[39/41] Compiling Stencil ForTag.swift
[40/41] Compiling Stencil TrimBehaviour.swift
[41/41] Compiling Stencil Variable.swift
Build complete! (8.78s)
Fetching https://github.com/MFB-Technologies-Inc/PathKit.git
[1/890] Fetching pathkit
Fetched https://github.com/MFB-Technologies-Inc/PathKit.git from cache (0.78s)
Computing version for https://github.com/MFB-Technologies-Inc/PathKit.git
Computed https://github.com/MFB-Technologies-Inc/PathKit.git at 1.0.2 (1.27s)
Creating working copy for https://github.com/MFB-Technologies-Inc/PathKit.git
Working copy of https://github.com/MFB-Technologies-Inc/PathKit.git resolved at 1.0.2
Build complete.
{
  "dependencies" : [
    {
      "identity" : "pathkit",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/MFB-Technologies-Inc/PathKit.git"
    }
  ],
  "manifest_display_name" : "Stencil",
  "name" : "Stencil",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "15.0"
    },
    {
      "name" : "macos",
      "version" : "12.0"
    },
    {
      "name" : "watchos",
      "version" : "8.0"
    },
    {
      "name" : "tvos",
      "version" : "15.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "15.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "Stencil",
      "targets" : [
        "Stencil"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StencilTests",
      "module_type" : "SwiftTarget",
      "name" : "StencilTests",
      "path" : "Tests/StencilTests",
      "sources" : [
        "ContextTests.swift",
        "EnvironmentBaseAndChildTemplateTests.swift",
        "EnvironmentIncludeTemplateTests.swift",
        "EnvironmentTests.swift",
        "ExpressionTests.swift",
        "FilterTagTests.swift",
        "FilterTests.swift",
        "ForNodeTests.swift",
        "Helpers/ErrorNode.swift",
        "Helpers/ExampleLoader.swift",
        "Helpers/StencilTestCase.swift",
        "IfNodeTests.swift",
        "IncludeTests.swift",
        "InheritanceTests.swift",
        "LexerTests.swift",
        "LoaderTests.swift",
        "NodeTests.swift",
        "NowNodeTests.swift",
        "ParserTests.swift",
        "StencilTests.swift",
        "TemplateTests.swift",
        "TokenTests.swift",
        "TrimBehaviourTests.swift",
        "VariableTests.swift",
        "fixtures/Fixtures+Base.swift",
        "fixtures/Fixtures+BaseRepeat.swift",
        "fixtures/Fixtures+Child.swift",
        "fixtures/Fixtures+ChildChild.swift",
        "fixtures/Fixtures+ChildRepeat.swift",
        "fixtures/Fixtures+ChildSuper.swift",
        "fixtures/Fixtures+Huge.swift",
        "fixtures/Fixtures+IfBlock.swift",
        "fixtures/Fixtures+IfBlockChild.swift",
        "fixtures/Fixtures+InvalidBase.swift",
        "fixtures/Fixtures+InvalidChildSuper.swift",
        "fixtures/Fixtures+InvalidInclude.swift",
        "fixtures/Fixtures+Test.swift",
        "fixtures/Fixtures.swift"
      ],
      "target_dependencies" : [
        "Stencil"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Stencil",
      "module_type" : "SwiftTarget",
      "name" : "Stencil",
      "path" : "Sources/Stencil",
      "product_dependencies" : [
        "PathKit"
      ],
      "product_memberships" : [
        "Stencil"
      ],
      "sources" : [
        "Context.swift",
        "DynamicMemberLookup.swift",
        "Environment.swift",
        "Errors.swift",
        "Expression.swift",
        "Extension.swift",
        "FilterTag.swift",
        "Filters.swift",
        "ForTag.swift",
        "IfTag.swift",
        "Include.swift",
        "Inheritance.swift",
        "KeyPath.swift",
        "LazyValueWrapper.swift",
        "Lexer.swift",
        "Loader.swift",
        "Node.swift",
        "NowTag.swift",
        "Parser.swift",
        "Template.swift",
        "Tokenizer.swift",
        "TrimBehaviour.swift",
        "Variable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
Done.