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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 snap-foundation, reference 0.1.0 (cb8215), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 18:54:52 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

Build Log

========================================
RunAll
========================================
Builder version: 4.61.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/simonnickel/snap-foundation.git
Reference: 0.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/simonnickel/snap-foundation
 * tag               0.1.0      -> FETCH_HEAD
HEAD is now at cb8215e Add OSLog+Logger
Cloned https://github.com/simonnickel/snap-foundation.git
Revision (git rev-parse @):
cb8215eddb71ab7af8d60c333e73ed720fdd92d7
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/simonnickel/snap-foundation.git at 0.1.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/simonnickel/snap-foundation.git
https://github.com/simonnickel/snap-foundation.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "snap-foundation",
  "name" : "snap-foundation",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "18.0"
    },
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SnapFoundation",
      "targets" : [
        "SnapFoundation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "SnapFoundation",
      "module_type" : "SwiftTarget",
      "name" : "SnapFoundation",
      "path" : "Sources/SnapFoundation",
      "product_memberships" : [
        "SnapFoundation"
      ],
      "sources" : [
        "OSLog+Logger.swift",
        "ProcessInfo+isPreview.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-2F0A5646E1D333AE.txt
[3/5] Compiling SnapFoundation ProcessInfo+isPreview.swift
[4/5] Compiling SnapFoundation OSLog+Logger.swift
[5/5] Emitting module SnapFoundation
Build complete! (4.62s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "snap-foundation",
  "name" : "snap-foundation",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "18.0"
    },
    {
      "name" : "macos",
      "version" : "15.0"
    }
  ],
  "products" : [
    {
      "name" : "SnapFoundation",
      "targets" : [
        "SnapFoundation"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "6"
  ],
  "targets" : [
    {
      "c99name" : "SnapFoundation",
      "module_type" : "SwiftTarget",
      "name" : "SnapFoundation",
      "path" : "Sources/SnapFoundation",
      "product_memberships" : [
        "SnapFoundation"
      ],
      "sources" : [
        "OSLog+Logger.swift",
        "ProcessInfo+isPreview.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.