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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 RepresentableKit, reference main (77b5ea), with Swift 6.1 for macOS (SPM) on 28 Apr 2025 12:02:32 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/yumemi-inc/RepresentableKit.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/yumemi-inc/RepresentableKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 77b5ea1 Merge pull request #2 from yumemi-inc/feature/issue-1
Cloned https://github.com/yumemi-inc/RepresentableKit.git
Revision (git rev-parse @):
77b5ea15838c7f28464d4b01540b7dac8f74ec9c
SUCCESS checkout https://github.com/yumemi-inc/RepresentableKit.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": "representablekit",
      "name": "RepresentableKit",
      "url": "https://github.com/yumemi-inc/RepresentableKit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/RepresentableKit",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/yumemi-inc/RepresentableKit.git
[1/160] Fetching representablekit
Fetched https://github.com/yumemi-inc/RepresentableKit.git from cache (0.67s)
Creating working copy for https://github.com/yumemi-inc/RepresentableKit.git
Working copy of https://github.com/yumemi-inc/RepresentableKit.git resolved at main (77b5ea1)
warning: '.resolve-product-dependencies': dependency 'representablekit' 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/yumemi-inc/RepresentableKit.git
https://github.com/yumemi-inc/RepresentableKit.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RepresentableKit",
  "name" : "RepresentableKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "RepresentableKit",
      "targets" : [
        "RepresentableKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RepresentableKit",
      "module_type" : "SwiftTarget",
      "name" : "RepresentableKit",
      "path" : "Sources/RepresentableKit",
      "product_memberships" : [
        "RepresentableKit"
      ],
      "sources" : [
        "UIViewAdaptor.swift",
        "UIViewFlexibility.swift",
        "UIViewIdealSize.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
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
[3/6] Compiling RepresentableKit UIViewFlexibility.swift
[4/6] Compiling RepresentableKit UIViewIdealSize.swift
[5/6] Compiling RepresentableKit UIViewAdaptor.swift
[6/6] Emitting module RepresentableKit
Build complete! (0.79s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RepresentableKit",
  "name" : "RepresentableKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    }
  ],
  "products" : [
    {
      "name" : "RepresentableKit",
      "targets" : [
        "RepresentableKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RepresentableKit",
      "module_type" : "SwiftTarget",
      "name" : "RepresentableKit",
      "path" : "Sources/RepresentableKit",
      "product_memberships" : [
        "RepresentableKit"
      ],
      "sources" : [
        "UIViewAdaptor.swift",
        "UIViewFlexibility.swift",
        "UIViewIdealSize.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Done.