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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 SessionKit, reference v1.0.3 (f16d9b), with Swift 6.0 for macOS (SPM) on 31 Oct 2024 20:29:51 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/Digipolitan/session-kit.git
Reference: v1.0.3
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/Digipolitan/session-kit
 * tag               v1.0.3     -> FETCH_HEAD
HEAD is now at f16d9bd Merge branch 'release/1.0.3'
Cloned https://github.com/Digipolitan/session-kit.git
Revision (git rev-parse @):
f16d9bd99344b0d0fe1c09851f35d2138708e4c2
SUCCESS checkout https://github.com/Digipolitan/session-kit.git at v1.0.3
========================================
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": "session-kit",
      "name": "SessionKit",
      "url": "https://github.com/Digipolitan/session-kit.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/session-kit",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/Digipolitan/session-kit.git
[3/256] Fetching session-kit
Fetched https://github.com/Digipolitan/session-kit.git from cache (0.80s)
Creating working copy for https://github.com/Digipolitan/session-kit.git
Working copy of https://github.com/Digipolitan/session-kit.git resolved at v1.0.3 (f16d9bd)
warning: '.resolve-product-dependencies': dependency 'session-kit' 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/Digipolitan/session-kit.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
[3/4] Emitting module SessionKit
/Users/admin/builder/spi-builder-workspace/Sources/SessionKit/Session.swift:13:24: warning: static property 'opened' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 | public class Session {
12 |
13 |     private static var opened: Session?
   |                        |- warning: static property 'opened' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: convert 'opened' to a 'let' constant to make 'Sendable' shared state immutable
   |                        |- note: annotate 'opened' 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
14 |
15 |     public var userInfo: [String: Any] {
[4/4] Compiling SessionKit Session.swift
/Users/admin/builder/spi-builder-workspace/Sources/SessionKit/Session.swift:13:24: warning: static property 'opened' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
11 | public class Session {
12 |
13 |     private static var opened: Session?
   |                        |- warning: static property 'opened' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
   |                        |- note: convert 'opened' to a 'let' constant to make 'Sendable' shared state immutable
   |                        |- note: annotate 'opened' 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
14 |
15 |     public var userInfo: [String: Any] {
Build complete! (6.07s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SessionKit",
  "name" : "SessionKit",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SessionKit",
      "targets" : [
        "SessionKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SessionKitTests",
      "module_type" : "SwiftTarget",
      "name" : "SessionKitTests",
      "path" : "Tests/SessionKitTests",
      "sources" : [
        "SessionKitTests.swift"
      ],
      "target_dependencies" : [
        "SessionKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SessionKit",
      "module_type" : "SwiftTarget",
      "name" : "SessionKit",
      "path" : "Sources/SessionKit",
      "product_memberships" : [
        "SessionKit"
      ],
      "sources" : [
        "Session.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Done.