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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 Compatibility, reference v1.10.7 (81dab6), with Swift 6.1 for macOS (SPM) on 5 May 2025 06:48:02 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: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kudit/Compatibility.git
Reference: v1.10.7
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/kudit/Compatibility
 * tag               v1.10.7    -> FETCH_HEAD
HEAD is now at 81dab6a v1.10.7
Cloned https://github.com/kudit/Compatibility.git
Revision (git rev-parse @):
81dab6a8972241bcf432e93c2ad20217d72d6a28
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/kudit/Compatibility.git at v1.10.7
========================================
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": "compatibility",
      "name": "Compatibility",
      "url": "https://github.com/kudit/Compatibility.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Compatibility",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/kudit/Compatibility.git
[1/1862] Fetching compatibility
Fetched https://github.com/kudit/Compatibility.git from cache (1.14s)
Creating working copy for https://github.com/kudit/Compatibility.git
Working copy of https://github.com/kudit/Compatibility.git resolved at v1.10.7 (81dab6a)
warning: '.resolve-product-dependencies': dependency 'compatibility' 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/kudit/Compatibility.git
https://github.com/kudit/Compatibility.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Compatibility",
  "name" : "Compatibility",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "11"
    },
    {
      "name" : "watchos",
      "version" : "4"
    },
    {
      "name" : "ios",
      "version" : "11"
    }
  ],
  "products" : [
    {
      "name" : "Compatibility Library",
      "targets" : [
        "Compatibility"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Compatibility",
      "module_type" : "SwiftTarget",
      "name" : "Compatibility",
      "path" : "Sources",
      "product_memberships" : [
        "Compatibility Library"
      ],
      "sources" : [
        "Compatibility.swift",
        "Core/Application.swift",
        "Core/Bundle.swift",
        "Core/CloudStatus.swift",
        "Core/CloudStorage.swift",
        "Core/CloudStorageSync.swift",
        "Core/DataStore.swift",
        "Core/Debug.swift",
        "Core/FileManager.swift",
        "Core/Graphics.swift",
        "Core/Network.swift",
        "Core/ObservableObject.swift",
        "Core/Shell.swift",
        "Core/Test.swift",
        "Core/UserDefaultsBacked.swift",
        "Foundation/Array.swift",
        "Foundation/Codable.swift",
        "Foundation/CodingFoundation.swift",
        "Foundation/CodingJSON.swift",
        "Foundation/CodingParameters.swift",
        "Foundation/Date.swift",
        "Foundation/DateString.swift",
        "Foundation/Dictionary.swift",
        "Foundation/Double.swift",
        "Foundation/Enum.swift",
        "Foundation/Int.swift",
        "Foundation/Introspection.swift",
        "Foundation/OrderedDictionary.swift",
        "Foundation/OrderedSet.swift",
        "Foundation/String.swift",
        "Foundation/Threading.swift",
        "Foundation/URL.swift",
        "Foundation/Version.swift",
        "UI/Backport.swift",
        "UI/BytesView.swift",
        "UI/ClearableTextField.swift",
        "UI/Embossed.swift",
        "UI/Menu.swift",
        "UI/OverlappingStack.swift",
        "UI/Pasteboard.swift",
        "UI/RadialLayout.swift",
        "UI/Shapes/Placard.swift",
        "UI/Shapes/Triangle.swift",
        "UI/SwiftUI.swift",
        "UI/TestUI.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
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
[3/44] Emitting module Compatibility
[4/48] Compiling Compatibility Date.swift
[5/48] Compiling Compatibility DateString.swift
[6/48] Compiling Compatibility Dictionary.swift
[7/48] Compiling Compatibility Double.swift
[8/48] Compiling Compatibility Enum.swift
[9/48] Compiling Compatibility Placard.swift
[10/48] Compiling Compatibility Triangle.swift
[11/48] Compiling Compatibility SwiftUI.swift
[12/48] Compiling Compatibility TestUI.swift
[13/48] Compiling Compatibility CloudStorageSync.swift
[14/48] Compiling Compatibility DataStore.swift
[15/48] Compiling Compatibility Debug.swift
[16/48] Compiling Compatibility FileManager.swift
[17/48] Compiling Compatibility Graphics.swift
[18/48] Compiling Compatibility String.swift
[19/48] Compiling Compatibility Threading.swift
[20/48] Compiling Compatibility URL.swift
[21/48] Compiling Compatibility Version.swift
[22/48] Compiling Compatibility Network.swift
[23/48] Compiling Compatibility ObservableObject.swift
[24/48] Compiling Compatibility Shell.swift
[25/48] Compiling Compatibility Test.swift
[26/48] Compiling Compatibility UserDefaultsBacked.swift
[27/48] Compiling Compatibility Array.swift
[28/48] Compiling Compatibility Codable.swift
[29/48] Compiling Compatibility CodingFoundation.swift
[30/48] Compiling Compatibility CodingJSON.swift
[31/48] Compiling Compatibility CodingParameters.swift
[32/48] Compiling Compatibility Compatibility.swift
[33/48] Compiling Compatibility Application.swift
[34/48] Compiling Compatibility Bundle.swift
[35/48] Compiling Compatibility CloudStatus.swift
[36/48] Compiling Compatibility CloudStorage.swift
[37/48] Compiling Compatibility Backport.swift
[38/48] Compiling Compatibility BytesView.swift
[39/48] Compiling Compatibility ClearableTextField.swift
[40/48] Compiling Compatibility Embossed.swift
[41/48] Compiling Compatibility Int.swift
[42/48] Compiling Compatibility Introspection.swift
[43/48] Compiling Compatibility OrderedDictionary.swift
[44/48] Compiling Compatibility OrderedSet.swift
[45/48] Compiling Compatibility Menu.swift
[46/48] Compiling Compatibility OverlappingStack.swift
[47/48] Compiling Compatibility Pasteboard.swift
[48/48] Compiling Compatibility RadialLayout.swift
Build complete! (10.42s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Compatibility",
  "name" : "Compatibility",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "tvos",
      "version" : "11"
    },
    {
      "name" : "watchos",
      "version" : "4"
    },
    {
      "name" : "ios",
      "version" : "11"
    }
  ],
  "products" : [
    {
      "name" : "Compatibility Library",
      "targets" : [
        "Compatibility"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "Compatibility",
      "module_type" : "SwiftTarget",
      "name" : "Compatibility",
      "path" : "Sources",
      "product_memberships" : [
        "Compatibility Library"
      ],
      "sources" : [
        "Compatibility.swift",
        "Core/Application.swift",
        "Core/Bundle.swift",
        "Core/CloudStatus.swift",
        "Core/CloudStorage.swift",
        "Core/CloudStorageSync.swift",
        "Core/DataStore.swift",
        "Core/Debug.swift",
        "Core/FileManager.swift",
        "Core/Graphics.swift",
        "Core/Network.swift",
        "Core/ObservableObject.swift",
        "Core/Shell.swift",
        "Core/Test.swift",
        "Core/UserDefaultsBacked.swift",
        "Foundation/Array.swift",
        "Foundation/Codable.swift",
        "Foundation/CodingFoundation.swift",
        "Foundation/CodingJSON.swift",
        "Foundation/CodingParameters.swift",
        "Foundation/Date.swift",
        "Foundation/DateString.swift",
        "Foundation/Dictionary.swift",
        "Foundation/Double.swift",
        "Foundation/Enum.swift",
        "Foundation/Int.swift",
        "Foundation/Introspection.swift",
        "Foundation/OrderedDictionary.swift",
        "Foundation/OrderedSet.swift",
        "Foundation/String.swift",
        "Foundation/Threading.swift",
        "Foundation/URL.swift",
        "Foundation/Version.swift",
        "UI/Backport.swift",
        "UI/BytesView.swift",
        "UI/ClearableTextField.swift",
        "UI/Embossed.swift",
        "UI/Menu.swift",
        "UI/OverlappingStack.swift",
        "UI/Pasteboard.swift",
        "UI/RadialLayout.swift",
        "UI/Shapes/Placard.swift",
        "UI/Shapes/Triangle.swift",
        "UI/SwiftUI.swift",
        "UI/TestUI.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.8"
}
Done.