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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 DSFRegex with Swift 6.0 for macOS (SPM).

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dagronf/DSFRegex.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dagronf/DSFRegex
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at e0e6480 Added privacy manifest
Cloned https://github.com/dagronf/DSFRegex.git
Revision (git rev-parse @):
e0e64805519b23b08dcca9c83ca2d4a2b3de4c33
SUCCESS checkout https://github.com/dagronf/DSFRegex.git at master
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $workDir
https://github.com/dagronf/DSFRegex.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0.app xcrun --toolchain org.swift.600202405261a swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/7] Write sources
[1/7] Copying PrivacyInfo.xcprivacy
[2/7] Write swift-version-6F35C1178C84523A.txt
[4/11] Compiling DSFRegex DSFRegex.swift
/Users/admin/builder/spi-builder-workspace/Sources/DSFRegex/DSFRegex.swift:392:13: warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
390 | private extension DSFRegex.Capture {
391 | 	/// An empty capture object.
392 | 	static var empty = "".startIndex ..< "".endIndex
    |             |- warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'empty' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'empty' 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
393 | }
394 |
[5/11] Compiling DSFRegex String+CursorExtensions.swift
[6/11] Compiling DSFRegex resource_bundle_accessor.swift
[7/11] Emitting module DSFRegex
/Users/admin/builder/spi-builder-workspace/Sources/DSFRegex/DSFRegex.swift:392:13: warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
390 | private extension DSFRegex.Capture {
391 | 	/// An empty capture object.
392 | 	static var empty = "".startIndex ..< "".endIndex
    |             |- warning: static property 'empty' is not concurrency-safe because it is non-isolated global shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: convert 'empty' to a 'let' constant to make 'Sendable' shared state immutable
    |             |- note: annotate 'empty' 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
393 | }
394 |
[7/11] Write Objects.LinkFileList
[9/11] Archiving libDSFRegex-static.a
[10/11] Linking libDSFRegex-dynamic.dylib
Build complete! (19.70s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DSFRegex",
  "name" : "DSFRegex",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "DSFRegex",
      "targets" : [
        "DSFRegex"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "DSFRegex-static",
      "targets" : [
        "DSFRegex"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    },
    {
      "name" : "DSFRegex-dynamic",
      "targets" : [
        "DSFRegex"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DSFRegexTests",
      "module_type" : "SwiftTarget",
      "name" : "DSFRegexTests",
      "path" : "Tests/DSFRegexTests",
      "sources" : [
        "DSFRegexTests.swift",
        "String+extensions.swift",
        "Tests+extensions.swift"
      ],
      "target_dependencies" : [
        "DSFRegex"
      ],
      "type" : "test"
    },
    {
      "c99name" : "DSFRegex",
      "module_type" : "SwiftTarget",
      "name" : "DSFRegex",
      "path" : "Sources/DSFRegex",
      "product_memberships" : [
        "DSFRegex",
        "DSFRegex-static",
        "DSFRegex-dynamic"
      ],
      "resources" : [
        {
          "path" : "/Users/admin/builder/spi-builder-workspace/Sources/DSFRegex/PrivacyInfo.xcprivacy",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "DSFRegex.swift",
        "String+CursorExtensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.4"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.