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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 Toybox, reference 2.1.0 (413f79), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 03:47:54 UTC.

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/giginet/toybox.git
Reference: 2.1.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/giginet/toybox
 * tag               2.1.0      -> FETCH_HEAD
HEAD is now at 413f796 Update Formula
Cloned https://github.com/giginet/toybox.git
Revision (git rev-parse @):
413f796b9ec729967127dc2f92cd60399729a267
SUCCESS checkout https://github.com/giginet/toybox.git at 2.1.0
Fetching https://github.com/Carthage/Commandant.git
Fetching https://github.com/drmohundro/SWXMLHash.git
Fetching https://github.com/Quick/Nimble.git
Fetching https://github.com/Quick/Quick.git
[1/2820] Fetching swxmlhash
[227/5143] Fetching swxmlhash, commandant
[4101/19866] Fetching swxmlhash, commandant, quick
[19867/39084] Fetching swxmlhash, commandant, quick, nimble
Fetched https://github.com/Carthage/Commandant.git from cache (1.60s)
Fetched https://github.com/Quick/Quick.git from cache (1.60s)
Fetched https://github.com/drmohundro/SWXMLHash.git from cache (1.60s)
Computing version for https://github.com/Carthage/Commandant.git
[385/19218] Fetching nimble
Computed https://github.com/Carthage/Commandant.git at 0.17.0 (0.66s)
Fetched https://github.com/Quick/Nimble.git from cache (2.71s)
Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 4.9.0 (2.50s)
Computing version for https://github.com/Quick/Nimble.git
Computed https://github.com/Quick/Nimble.git at 8.0.1 (2.55s)
Computing version for https://github.com/Quick/Quick.git
Computed https://github.com/Quick/Quick.git at 2.0.0 (0.64s)
Creating working copy for https://github.com/drmohundro/SWXMLHash.git
Working copy of https://github.com/drmohundro/SWXMLHash.git resolved at 4.9.0
Creating working copy for https://github.com/Carthage/Commandant.git
Working copy of https://github.com/Carthage/Commandant.git resolved at 0.17.0
Creating working copy for https://github.com/Quick/Quick.git
Working copy of https://github.com/Quick/Quick.git resolved at 2.0.0
Creating working copy for https://github.com/Quick/Nimble.git
Working copy of https://github.com/Quick/Nimble.git resolved at 8.0.1
========================================
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": "toybox",
      "name": "Toybox",
      "url": "https://github.com/giginet/toybox.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/toybox",
      "dependencies": [
        {
          "identity": "swxmlhash",
          "name": "SWXMLHash",
          "url": "https://github.com/drmohundro/SWXMLHash.git",
          "version": "4.9.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SWXMLHash",
          "dependencies": [
          ]
        },
        {
          "identity": "commandant",
          "name": "Commandant",
          "url": "https://github.com/Carthage/Commandant.git",
          "version": "0.18.0",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Commandant",
          "dependencies": [
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/giginet/toybox.git
[1/1199] Fetching toybox
Fetched https://github.com/giginet/toybox.git from cache (1.07s)
Fetching https://github.com/Carthage/Commandant.git from cache
Fetching https://github.com/drmohundro/SWXMLHash.git from cache
Fetched https://github.com/Carthage/Commandant.git from cache (0.58s)
Fetched https://github.com/drmohundro/SWXMLHash.git from cache (0.58s)
Computing version for https://github.com/drmohundro/SWXMLHash.git
Computed https://github.com/drmohundro/SWXMLHash.git at 4.9.0 (0.02s)
Computing version for https://github.com/Carthage/Commandant.git
Computed https://github.com/Carthage/Commandant.git at 0.18.0 (0.67s)
Creating working copy for https://github.com/giginet/toybox.git
Working copy of https://github.com/giginet/toybox.git resolved at 2.1.0 (413f796)
Creating working copy for https://github.com/Carthage/Commandant.git
Working copy of https://github.com/Carthage/Commandant.git resolved at 0.18.0
Creating working copy for https://github.com/drmohundro/SWXMLHash.git
Working copy of https://github.com/drmohundro/SWXMLHash.git resolved at 4.9.0
Found 2 product dependencies
  - SWXMLHash
  - Commandant
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/giginet/toybox.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/9] Write sources
[4/9] Write toybox-entitlement.plist
[5/9] Write swift-version--7754E27361AE5C74.txt
[7/23] Compiling SWXMLHash shim.swift
[8/23] Compiling Commandant Argument.swift
[9/23] Emitting module Commandant
[10/24] Compiling Commandant Result+Additions.swift
[11/24] Compiling Commandant Option.swift
[12/24] Compiling Commandant OrderedSet.swift
[13/24] Compiling Commandant Command.swift
[14/24] Compiling Commandant ArgumentParser.swift
[15/24] Compiling Commandant ArgumentProtocol.swift
[16/24] Compiling Commandant HelpCommand.swift
[17/24] Compiling Commandant Errors.swift
[18/24] Emitting module SWXMLHash
[19/24] Compiling SWXMLHash SWXMLHash.swift
[20/24] Compiling SWXMLHash XMLIndexer+XMLIndexerDeserializable.swift
[21/24] Compiling Commandant Switch.swift
[22/30] Compiling ToyboxKit Version.swift
[23/30] Compiling ToyboxKit PlaygroundBuilder.swift
[24/30] Compiling ToyboxKit Playground.swift
[25/30] Compiling ToyboxKit Errors.swift
[26/30] Emitting module ToyboxKit
/Users/admin/builder/spi-builder-workspace/Sources/ToyboxKit/Handler.swift:19:23: warning: static property 'rootURL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 17 |     private static let rootDirectoryName = ".toybox"
 18 |
 19 |     public static var rootURL: URL = {
    |                       |- warning: static property 'rootURL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'rootURL' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'rootURL' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 20 |         let homeDirectoryPath = URL(fileURLWithPath: NSHomeDirectory())
 21 |         return homeDirectoryPath.appendingPathComponent(FileSystemWorkspace.rootDirectoryName, isDirectory: true)
[27/30] Compiling ToyboxKit Handler.swift
/Users/admin/builder/spi-builder-workspace/Sources/ToyboxKit/Handler.swift:19:23: warning: static property 'rootURL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 17 |     private static let rootDirectoryName = ".toybox"
 18 |
 19 |     public static var rootURL: URL = {
    |                       |- warning: static property 'rootURL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: convert 'rootURL' to a 'let' constant to make 'Sendable' shared state immutable
    |                       |- note: annotate 'rootURL' with '@MainActor' if property should only be accessed from the main actor
    |                       `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 20 |         let homeDirectoryPath = URL(fileURLWithPath: NSHomeDirectory())
 21 |         return homeDirectoryPath.appendingPathComponent(FileSystemWorkspace.rootDirectoryName, isDirectory: true)
[28/37] Compiling toybox main.swift
[29/37] Compiling toybox Version.swift
[30/37] Compiling toybox Open.swift
[31/37] Compiling toybox List.swift
[32/37] Compiling toybox Root.swift
[33/37] Emitting module toybox
[34/37] Compiling toybox Create.swift
[34/37] Write Objects.LinkFileList
[35/37] Linking toybox
[36/37] Applying toybox
Build complete! (19.87s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swxmlhash",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "4.9.0",
            "upper_bound" : "5.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/drmohundro/SWXMLHash.git"
    },
    {
      "identity" : "commandant",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.17.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/Carthage/Commandant.git"
    }
  ],
  "manifest_display_name" : "Toybox",
  "name" : "Toybox",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "toybox",
      "targets" : [
        "toybox"
      ],
      "type" : {
        "executable" : null
      }
    },
    {
      "name" : "ToyboxKit",
      "targets" : [
        "ToyboxKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "toybox",
      "module_type" : "SwiftTarget",
      "name" : "toybox",
      "path" : "Sources/toybox",
      "product_dependencies" : [
        "Commandant"
      ],
      "product_memberships" : [
        "toybox"
      ],
      "sources" : [
        "Commands/Create.swift",
        "Commands/List.swift",
        "Commands/Open.swift",
        "Commands/Root.swift",
        "Commands/Version.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "ToyboxKit"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "ToyboxKitTests",
      "module_type" : "SwiftTarget",
      "name" : "ToyboxKitTests",
      "path" : "Tests/ToyboxKitTests",
      "sources" : [
        "HandlerTests.swift",
        "PlaygroundTests.swift"
      ],
      "target_dependencies" : [
        "toybox"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ToyboxKit",
      "module_type" : "SwiftTarget",
      "name" : "ToyboxKit",
      "path" : "Sources/ToyboxKit",
      "product_dependencies" : [
        "Commandant",
        "SWXMLHash"
      ],
      "product_memberships" : [
        "toybox",
        "ToyboxKit"
      ],
      "sources" : [
        "Errors.swift",
        "Handler.swift",
        "Playground.swift",
        "PlaygroundBuilder.swift",
        "Version.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.