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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 swift-currency, reference main (c9c983), with Swift 6.1 for macOS (SPM) on 29 Apr 2025 17:53:28 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/zunda-pixel/swift-currency.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/zunda-pixel/swift-currency
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at c9c9830 Update README.md (#1)
Cloned https://github.com/zunda-pixel/swift-currency.git
Revision (git rev-parse @):
c9c9830478c732ef8783babe094ca501324f15a8
SUCCESS checkout https://github.com/zunda-pixel/swift-currency.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/zunda-pixel/swift-currency.git
https://github.com/zunda-pixel/swift-currency.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-currency",
  "name" : "swift-currency",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Currency",
      "targets" : [
        "Currency"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Currency",
      "module_type" : "SwiftTarget",
      "name" : "Currency",
      "path" : "Sources/Currency",
      "product_memberships" : [
        "Currency"
      ],
      "sources" : [
        "Currency.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
[3/4] Compiling Currency Currency.swift
[4/4] Emitting module Currency
Build complete! (0.80s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "swift-currency",
  "name" : "swift-currency",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Currency",
      "targets" : [
        "Currency"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Currency",
      "module_type" : "SwiftTarget",
      "name" : "Currency",
      "path" : "Sources/Currency",
      "product_memberships" : [
        "Currency"
      ],
      "sources" : [
        "Currency.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Done.