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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 key-value-storage, reference main (588552), with Swift 6.0 for macOS (SPM) on 24 Apr 2025 17:45:33 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mtj0928/key-value-storage.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/mtj0928/key-value-storage
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 5885527 Support CGFloat
Cloned https://github.com/mtj0928/key-value-storage.git
Revision (git rev-parse @):
5885527381d5c03633f5b7465bba84659a50c8bc
SUCCESS checkout https://github.com/mtj0928/key-value-storage.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/mtj0928/key-value-storage.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.2.0.app xcrun swift build --arch arm64
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-5BDAB9E9C0126B9D.txt
[3/12] Compiling KeyValueStorage KeyValueStorage.swift
[4/13] Compiling KeyValueStorage KeyGroup.swift
[5/13] Compiling KeyValueStorage KeyValueStorage+JSON.swift
[6/13] Compiling KeyValueStorage UserDefaults+KeyValueStorageBackend.swift
[7/13] Compiling KeyValueStorage KeyValueObserver.swift
[8/13] Compiling KeyValueStorage KeyValueStorageBackend.swift
[9/13] Compiling KeyValueStorage KeyValueStorage+Plain.swift
[10/13] Compiling KeyValueStorage InMemoryStorage.swift
[11/13] Compiling KeyValueStorage KeyValueStorageValue.swift
[12/13] Emitting module KeyValueStorage
[13/13] Compiling KeyValueStorage KeyValueStoragePublisher.swift
Build complete! (4.65s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "key-value-storage",
  "name" : "key-value-storage",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "17.0"
    },
    {
      "name" : "macos",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "10.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    },
    {
      "name" : "tvos",
      "version" : "17.0"
    }
  ],
  "products" : [
    {
      "name" : "KeyValueStorage",
      "targets" : [
        "KeyValueStorage"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "KeyValueStorageTests",
      "module_type" : "SwiftTarget",
      "name" : "KeyValueStorageTests",
      "path" : "Tests/KeyValueStorageTests",
      "sources" : [
        "KeyValueStorageTest.swift",
        "TargetBackend.swift"
      ],
      "target_dependencies" : [
        "KeyValueStorage"
      ],
      "type" : "test"
    },
    {
      "c99name" : "KeyValueStorage",
      "module_type" : "SwiftTarget",
      "name" : "KeyValueStorage",
      "path" : "Sources/KeyValueStorage",
      "product_memberships" : [
        "KeyValueStorage"
      ],
      "sources" : [
        "Backends/InMemoryStorage.swift",
        "Backends/KeyValueObserver.swift",
        "Backends/KeyValueStorageBackend.swift",
        "Backends/UserDefaults+KeyValueStorageBackend.swift",
        "Definitions/JSON/KeyValueStorage+JSON.swift",
        "Definitions/Plains/KeyValueStorage+Plain.swift",
        "Definitions/Plains/KeyValueStorageValue.swift",
        "KeyGroup.swift",
        "KeyValueStorage.swift",
        "KeyValueStoragePublisher.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Done.