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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 Carte, reference master (fb7d4f), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 10:21:37 UTC.

Swift 6 data race errors: 2

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/devxoul/Carte.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/devxoul/Carte
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at fb7d4f8 Bump version to 2.2.1
Cloned https://github.com/devxoul/Carte.git
Revision (git rev-parse @):
fb7d4f845e09e1ee9d6c8b36b7411c31adbe635d
SUCCESS checkout https://github.com/devxoul/Carte.git at master
========================================
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": "carte",
      "name": "Carte",
      "url": "https://github.com/devxoul/Carte.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Carte",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/devxoul/Carte.git
[1/857] Fetching carte
Fetched https://github.com/devxoul/Carte.git from cache (0.96s)
Creating working copy for https://github.com/devxoul/Carte.git
Working copy of https://github.com/devxoul/Carte.git resolved at master (fb7d4f8)
warning: '.resolve-product-dependencies': dependency 'carte' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/devxoul/Carte.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...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/6] Compiling Carte CarteViewController.swift
[4/6] Compiling Carte Carte.swift
/Users/admin/builder/spi-builder-workspace/Sources/Carte/Carte.swift:11:21: warning: static property 'infoDictionary' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | public class Carte {
11 |   public static var infoDictionary: [String: Any]? = Bundle.main.infoDictionary {
   |                     |- warning: static property 'infoDictionary' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                     |- note: convert 'infoDictionary' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'infoDictionary' 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
12 |     didSet {
13 |       self._items = nil
/Users/admin/builder/spi-builder-workspace/Sources/Carte/Carte.swift:17:22: warning: static property '_items' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
15 |   }
16 |
17 |   private static var _items: [CarteItem]? = nil
   |                      |- warning: static property '_items' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                      |- note: convert '_items' to a 'let' constant to make 'Sendable' shared state immutable
   |                      |- note: annotate '_items' 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
18 |   public static var items: [CarteItem] {
19 |     if let items = self._items {
[5/6] Emitting module Carte
/Users/admin/builder/spi-builder-workspace/Sources/Carte/Carte.swift:11:21: warning: static property 'infoDictionary' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 9 |
10 | public class Carte {
11 |   public static var infoDictionary: [String: Any]? = Bundle.main.infoDictionary {
   |                     |- warning: static property 'infoDictionary' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                     |- note: convert 'infoDictionary' to a 'let' constant to make 'Sendable' shared state immutable
   |                     |- note: annotate 'infoDictionary' 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
12 |     didSet {
13 |       self._items = nil
/Users/admin/builder/spi-builder-workspace/Sources/Carte/Carte.swift:17:22: warning: static property '_items' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
15 |   }
16 |
17 |   private static var _items: [CarteItem]? = nil
   |                      |- warning: static property '_items' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                      |- note: convert '_items' to a 'let' constant to make 'Sendable' shared state immutable
   |                      |- note: annotate '_items' 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
18 |   public static var items: [CarteItem] {
19 |     if let items = self._items {
[6/6] Compiling Carte CarteItem.swift
Build complete! (6.35s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Carte",
  "name" : "Carte",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "8.0"
    }
  ],
  "products" : [
    {
      "name" : "Carte",
      "targets" : [
        "Carte"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "swift_languages_versions" : [
    "4.2",
    "5"
  ],
  "targets" : [
    {
      "c99name" : "CarteTests",
      "module_type" : "SwiftTarget",
      "name" : "CarteTests",
      "path" : "Tests/CarteTests",
      "sources" : [
        "CarteTests.swift"
      ],
      "target_dependencies" : [
        "Carte"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Carte",
      "module_type" : "SwiftTarget",
      "name" : "Carte",
      "path" : "Sources/Carte",
      "product_memberships" : [
        "Carte"
      ],
      "sources" : [
        "Carte.swift",
        "CarteItem.swift",
        "CarteViewController.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.