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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 SwiftASCII, reference main (399c33), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 18:41:53 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/orchetect/SwiftASCII.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/orchetect/SwiftASCII
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 399c336 Updated GitHub CI
Cloned https://github.com/orchetect/SwiftASCII.git
Revision (git rev-parse @):
399c33602397a1b26e46446463567300c8fa8a8d
SUCCESS checkout https://github.com/orchetect/SwiftASCII.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/orchetect/SwiftASCII.git
https://github.com/orchetect/SwiftASCII.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftASCII",
  "name" : "SwiftASCII",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.11"
    },
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftASCII",
      "targets" : [
        "SwiftASCII"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftASCIITests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftASCIITests",
      "path" : "Tests/SwiftASCIITests",
      "sources" : [
        "ASCIICharacter Tests.swift",
        "ASCIIString Tests.swift",
        "String Tests.swift"
      ],
      "target_dependencies" : [
        "SwiftASCII"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftASCII",
      "module_type" : "SwiftTarget",
      "name" : "SwiftASCII",
      "path" : "Sources/SwiftASCII",
      "product_memberships" : [
        "SwiftASCII"
      ],
      "sources" : [
        "ASCIICharacter.swift",
        "ASCIIString.swift",
        "CharacterSet.swift",
        "String.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
[3/7] Compiling SwiftASCII String.swift
[4/7] Compiling SwiftASCII CharacterSet.swift
[5/7] Compiling SwiftASCII ASCIICharacter.swift
[6/7] Emitting module SwiftASCII
[7/7] Compiling SwiftASCII ASCIIString.swift
Build complete! (4.15s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftASCII",
  "name" : "SwiftASCII",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.11"
    },
    {
      "name" : "ios",
      "version" : "9.0"
    },
    {
      "name" : "tvos",
      "version" : "9.0"
    },
    {
      "name" : "watchos",
      "version" : "2.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftASCII",
      "targets" : [
        "SwiftASCII"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftASCIITests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftASCIITests",
      "path" : "Tests/SwiftASCIITests",
      "sources" : [
        "ASCIICharacter Tests.swift",
        "ASCIIString Tests.swift",
        "String Tests.swift"
      ],
      "target_dependencies" : [
        "SwiftASCII"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftASCII",
      "module_type" : "SwiftTarget",
      "name" : "SwiftASCII",
      "path" : "Sources/SwiftASCII",
      "product_memberships" : [
        "SwiftASCII"
      ],
      "sources" : [
        "ASCIICharacter.swift",
        "ASCIIString.swift",
        "CharacterSet.swift",
        "String.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Done.