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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 SwiftObjCBridge, reference 0.0.2 (1aba3c), with Swift 6.0 for macOS (SPM) on 2 Nov 2024 11:36:34 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/helje5/SwiftObjCBridge.git
Reference: 0.0.2
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/helje5/SwiftObjCBridge
 * tag               0.0.2      -> FETCH_HEAD
HEAD is now at 1aba3cd Travis: Do not build on Linux
Cloned https://github.com/helje5/SwiftObjCBridge.git
Revision (git rev-parse @):
1aba3cdb23e006ebffd474ed4d5bb7945faf4196
SUCCESS checkout https://github.com/helje5/SwiftObjCBridge.git at 0.0.2
========================================
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": "swiftobjcbridge",
      "name": "SwiftObjCBridge",
      "url": "https://github.com/helje5/SwiftObjCBridge.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/SwiftObjCBridge",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/helje5/SwiftObjCBridge.git
[1/42] Fetching swiftobjcbridge
Fetched https://github.com/helje5/SwiftObjCBridge.git from cache (0.57s)
Creating working copy for https://github.com/helje5/SwiftObjCBridge.git
Working copy of https://github.com/helje5/SwiftObjCBridge.git resolved at 0.0.2 (1aba3cd)
warning: '.resolve-product-dependencies': dependency 'swiftobjcbridge' 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/helje5/SwiftObjCBridge.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] Compiling SwiftObjCBridge SwiftObjCBridge.swift
/Users/admin/builder/spi-builder-workspace/Sources/SwiftObjCBridge/SwiftObjCBridge.swift:115:12: warning: let 'ObjC' is not concurrency-safe because non-'Sendable' type 'ObjCRuntime' may have shared mutable state; this is an error in the Swift 6 language mode
  7 |
  8 | @dynamicMemberLookup
  9 | public struct ObjCRuntime {
    |               `- note: consider making struct 'ObjCRuntime' conform to the 'Sendable' protocol
 10 |
 11 |     public typealias Args = KeyValuePairs<String, Any>
    :
113 | }
114 |
115 | public let ObjC = ObjCRuntime()
    |            |- warning: let 'ObjC' is not concurrency-safe because non-'Sendable' type 'ObjCRuntime' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ObjC' 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
116 |
[4/4] Emitting module SwiftObjCBridge
/Users/admin/builder/spi-builder-workspace/Sources/SwiftObjCBridge/SwiftObjCBridge.swift:115:12: warning: let 'ObjC' is not concurrency-safe because non-'Sendable' type 'ObjCRuntime' may have shared mutable state; this is an error in the Swift 6 language mode
  7 |
  8 | @dynamicMemberLookup
  9 | public struct ObjCRuntime {
    |               `- note: consider making struct 'ObjCRuntime' conform to the 'Sendable' protocol
 10 |
 11 |     public typealias Args = KeyValuePairs<String, Any>
    :
113 | }
114 |
115 | public let ObjC = ObjCRuntime()
    |            |- warning: let 'ObjC' is not concurrency-safe because non-'Sendable' type 'ObjCRuntime' may have shared mutable state; this is an error in the Swift 6 language mode
    |            |- note: annotate 'ObjC' 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
116 |
Build complete! (5.74s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "SwiftObjCBridge",
  "name" : "SwiftObjCBridge",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftObjCBridge",
      "targets" : [
        "SwiftObjCBridge"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftObjCBridgeTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftObjCBridgeTests",
      "path" : "Tests/SwiftObjCBridgeTests",
      "sources" : [
        "SwiftObjCBridgeTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "SwiftObjCBridge"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftObjCBridge",
      "module_type" : "SwiftTarget",
      "name" : "SwiftObjCBridge",
      "path" : "Sources/SwiftObjCBridge",
      "product_memberships" : [
        "SwiftObjCBridge"
      ],
      "sources" : [
        "SwiftObjCBridge.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.