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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 SwiftLazy, reference v1.5.0 (9b267a), with Swift 6.1 for macOS (SPM) on 30 Apr 2025 05:01:27 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/ivlevAstef/SwiftLazy.git
Reference: v1.5.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ivlevAstef/SwiftLazy
 * tag               v1.5.0     -> FETCH_HEAD
HEAD is now at 9b267a9 fix rw lock... but why without wrapper not work?....
Cloned https://github.com/ivlevAstef/SwiftLazy.git
Revision (git rev-parse @):
9b267a90bde85f07f372b1ac90a7ad88f434cd06
SUCCESS checkout https://github.com/ivlevAstef/SwiftLazy.git at v1.5.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ivlevAstef/SwiftLazy.git
https://github.com/ivlevAstef/SwiftLazy.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftLazy",
  "name" : "SwiftLazy",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftLazy",
      "targets" : [
        "SwiftLazy"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftLazy",
      "module_type" : "SwiftTarget",
      "name" : "SwiftLazy",
      "path" : "Sources/SwiftLazy",
      "product_memberships" : [
        "SwiftLazy"
      ],
      "sources" : [
        "BaseLazy.swift",
        "BaseProvider.swift",
        "Lazy.swift",
        "Provider.swift",
        "ProviderArgs.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
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
[3/8] Compiling SwiftLazy ProviderArgs.swift
[4/8] Compiling SwiftLazy Lazy.swift
[5/8] Compiling SwiftLazy BaseProvider.swift
[6/8] Compiling SwiftLazy Provider.swift
[7/8] Emitting module SwiftLazy
[8/8] Compiling SwiftLazy BaseLazy.swift
Build complete! (2.86s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftLazy",
  "name" : "SwiftLazy",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftLazy",
      "targets" : [
        "SwiftLazy"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftLazy",
      "module_type" : "SwiftTarget",
      "name" : "SwiftLazy",
      "path" : "Sources/SwiftLazy",
      "product_memberships" : [
        "SwiftLazy"
      ],
      "sources" : [
        "BaseLazy.swift",
        "BaseProvider.swift",
        "Lazy.swift",
        "Provider.swift",
        "ProviderArgs.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.