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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 RetroSwift, reference main (898084), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 00:13:14 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: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/level-two/RetroSwift.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/level-two/RetroSwift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 898084a - Added podspec
Cloned https://github.com/level-two/RetroSwift.git
Revision (git rev-parse @):
898084a0008c76f2a33df9995d0444d00733244c
SUCCESS checkout https://github.com/level-two/RetroSwift.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "retroswift",
      "name": "RetroSwift",
      "url": "https://github.com/level-two/RetroSwift.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/RetroSwift",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/level-two/RetroSwift.git
[1/295] Fetching retroswift
Fetched https://github.com/level-two/RetroSwift.git from cache (0.76s)
Creating working copy for https://github.com/level-two/RetroSwift.git
Working copy of https://github.com/level-two/RetroSwift.git resolved at main (898084a)
warning: '.resolve-product-dependencies': dependency 'retroswift' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/level-two/RetroSwift.git
https://github.com/level-two/RetroSwift.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RetroSwift",
  "name" : "RetroSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "RetroSwift",
      "targets" : [
        "RetroSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RetroSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "RetroSwiftTests",
      "path" : "RetroSwiftTests",
      "sources" : [
        "RetroSwiftTests.swift"
      ],
      "target_dependencies" : [
        "RetroSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RetroSwift",
      "module_type" : "SwiftTarget",
      "name" : "RetroSwift",
      "path" : "RetroSwift",
      "product_memberships" : [
        "RetroSwift"
      ],
      "sources" : [
        "ApiContractDescription/Domain/Domain.swift",
        "ApiContractDescription/Domain/HttpRequestParams.Builder.swift",
        "ApiContractDescription/Domain/Methods/Domain.Delete.swift",
        "ApiContractDescription/Domain/Methods/Domain.Get.swift",
        "ApiContractDescription/Domain/Methods/Domain.Head.swift",
        "ApiContractDescription/Domain/Methods/Domain.Patch.swift",
        "ApiContractDescription/Domain/Methods/Domain.Post.swift",
        "ApiContractDescription/Domain/Methods/Domain.Put.swift",
        "ApiContractDescription/Domain/ResponseTypes/Domain.Either.swift",
        "ApiContractDescription/Domain/ResponseTypes/Domain.Empty.swift",
        "ApiContractDescription/Params/Header.swift",
        "ApiContractDescription/Params/JsonBody.swift",
        "ApiContractDescription/Params/Path.swift",
        "ApiContractDescription/Params/Query.swift",
        "ApiContractDescription/Protocols/EndpointDescribing.swift",
        "ApiContractDescription/Protocols/HttpRequestParameter.swift",
        "TransportLayer/HttpMethod.swift",
        "TransportLayer/HttpOperationResult.swift",
        "TransportLayer/HttpRequestParams.swift",
        "TransportLayer/HttpTransport.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
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...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/21] Compiling RetroSwift Header.swift
[4/21] Compiling RetroSwift JsonBody.swift
[5/21] Compiling RetroSwift EndpointDescribing.swift
[6/21] Compiling RetroSwift HttpRequestParameter.swift
[7/23] Compiling RetroSwift Path.swift
[8/23] Compiling RetroSwift Query.swift
[9/23] Compiling RetroSwift HttpMethod.swift
[10/23] Compiling RetroSwift HttpOperationResult.swift
[11/23] Compiling RetroSwift Domain.Head.swift
[12/23] Compiling RetroSwift Domain.Patch.swift
[13/23] Compiling RetroSwift Domain.swift
[14/23] Compiling RetroSwift HttpRequestParams.Builder.swift
[15/23] Compiling RetroSwift Domain.Delete.swift
[16/23] Compiling RetroSwift Domain.Get.swift
[17/23] Compiling RetroSwift Domain.Post.swift
[18/23] Compiling RetroSwift Domain.Put.swift
[19/23] Compiling RetroSwift Domain.Either.swift
[20/23] Compiling RetroSwift Domain.Empty.swift
[21/23] Emitting module RetroSwift
[22/23] Compiling RetroSwift HttpRequestParams.swift
[23/23] Compiling RetroSwift HttpTransport.swift
Build complete! (5.85s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RetroSwift",
  "name" : "RetroSwift",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    }
  ],
  "products" : [
    {
      "name" : "RetroSwift",
      "targets" : [
        "RetroSwift"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RetroSwiftTests",
      "module_type" : "SwiftTarget",
      "name" : "RetroSwiftTests",
      "path" : "RetroSwiftTests",
      "sources" : [
        "RetroSwiftTests.swift"
      ],
      "target_dependencies" : [
        "RetroSwift"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RetroSwift",
      "module_type" : "SwiftTarget",
      "name" : "RetroSwift",
      "path" : "RetroSwift",
      "product_memberships" : [
        "RetroSwift"
      ],
      "sources" : [
        "ApiContractDescription/Domain/Domain.swift",
        "ApiContractDescription/Domain/HttpRequestParams.Builder.swift",
        "ApiContractDescription/Domain/Methods/Domain.Delete.swift",
        "ApiContractDescription/Domain/Methods/Domain.Get.swift",
        "ApiContractDescription/Domain/Methods/Domain.Head.swift",
        "ApiContractDescription/Domain/Methods/Domain.Patch.swift",
        "ApiContractDescription/Domain/Methods/Domain.Post.swift",
        "ApiContractDescription/Domain/Methods/Domain.Put.swift",
        "ApiContractDescription/Domain/ResponseTypes/Domain.Either.swift",
        "ApiContractDescription/Domain/ResponseTypes/Domain.Empty.swift",
        "ApiContractDescription/Params/Header.swift",
        "ApiContractDescription/Params/JsonBody.swift",
        "ApiContractDescription/Params/Path.swift",
        "ApiContractDescription/Params/Query.swift",
        "ApiContractDescription/Protocols/EndpointDescribing.swift",
        "ApiContractDescription/Protocols/HttpRequestParameter.swift",
        "TransportLayer/HttpMethod.swift",
        "TransportLayer/HttpOperationResult.swift",
        "TransportLayer/HttpRequestParams.swift",
        "TransportLayer/HttpTransport.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
Done.