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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 Natrium, reference 8.3.5 (66f4cf), with Swift 6.1 for macOS (SPM) on 1 May 2025 01:54:56 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: 4.61.2
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/e-sites/Natrium.git
Reference: 8.3.5
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/e-sites/Natrium
 * tag               8.3.5      -> FETCH_HEAD
HEAD is now at 66f4cfb 8.3.5
Cloned https://github.com/e-sites/Natrium.git
Revision (git rev-parse @):
66f4cfb49af4530057d0aaeb22478a8bbb115984
SUCCESS checkout https://github.com/e-sites/Natrium.git at 8.3.5
========================================
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": "natrium",
      "name": "Natrium",
      "url": "https://github.com/e-sites/Natrium.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Natrium",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/e-sites/Natrium.git
[1/3536] Fetching natrium
Fetched https://github.com/e-sites/Natrium.git from cache (9.79s)
Creating working copy for https://github.com/e-sites/Natrium.git
Working copy of https://github.com/e-sites/Natrium.git resolved at 8.3.5 (66f4cfb)
warning: '.resolve-product-dependencies': dependency 'natrium' 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/e-sites/Natrium.git
https://github.com/e-sites/Natrium.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Natrium",
  "name" : "Natrium",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "Natrium",
      "targets" : [
        "Natrium"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Natrium",
      "module_type" : "SwiftTarget",
      "name" : "Natrium",
      "path" : "Natrium",
      "product_memberships" : [
        "Natrium"
      ],
      "sources" : [
        "Sources/Natrium.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
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
[3/4] Emitting module Natrium
[4/4] Compiling Natrium Natrium.swift
Build complete! (4.10s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Natrium",
  "name" : "Natrium",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.10"
    },
    {
      "name" : "ios",
      "version" : "10.0"
    }
  ],
  "products" : [
    {
      "name" : "Natrium",
      "targets" : [
        "Natrium"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Natrium",
      "module_type" : "SwiftTarget",
      "name" : "Natrium",
      "path" : "Natrium",
      "product_memberships" : [
        "Natrium"
      ],
      "sources" : [
        "Sources/Natrium.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.