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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 TextBufferKit, reference main (99b46c), with Swift 6.0 for Linux on 1 Nov 2024 16:59:54 UTC.

Swift 6 data race errors: 1

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.56.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/migueldeicaza/TextBufferKit.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
From https://github.com/migueldeicaza/TextBufferKit
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 99b46c4 Make Position constructor public
Cloned https://github.com/migueldeicaza/TextBufferKit.git
Revision (git rev-parse @):
99b46c47658c07de5f89f3fd7240f7ead12d84f6
SUCCESS checkout https://github.com/migueldeicaza/TextBufferKit.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/migueldeicaza/TextBufferKit.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/10] Compiling TextBufferKit PieceTreeTextBuffer.swift
[4/10] Compiling TextBufferKit Position.swift
[5/11] Compiling TextBufferKit PieceTreeBuilder.swift
[6/11] Emitting module TextBufferKit
/host/spi-builder-workspace/Sources/TextBufferKit/TreeBase.swift:69:16: warning: static property 'SENTINEL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 67 |     }
 68 |
 69 |     static var SENTINEL: TreeNode = TreeNode(Piece(bufferIndex: 0, start: BufferCursor(line: 0,column: 0), end: BufferCursor(line: 0, column: 0), length: 0, lineFeedCount: 0), .black);
    |                |- warning: static property 'SENTINEL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'SENTINEL' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'SENTINEL' 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
 70 |
 71 |     public func next() -> TreeNode {
[7/11] Compiling TextBufferKit FindMatch.swift
[8/11] Compiling TextBufferKit PieceTreeBase.swift
/host/spi-builder-workspace/Sources/TextBufferKit/TreeBase.swift:69:16: warning: static property 'SENTINEL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 67 |     }
 68 |
 69 |     static var SENTINEL: TreeNode = TreeNode(Piece(bufferIndex: 0, start: BufferCursor(line: 0,column: 0), end: BufferCursor(line: 0, column: 0), length: 0, lineFeedCount: 0), .black);
    |                |- warning: static property 'SENTINEL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'SENTINEL' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'SENTINEL' 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
 70 |
 71 |     public func next() -> TreeNode {
[9/11] Compiling TextBufferKit Range.swift
[10/11] Compiling TextBufferKit SearchData.swift
[11/11] Compiling TextBufferKit TreeBase.swift
/host/spi-builder-workspace/Sources/TextBufferKit/TreeBase.swift:69:16: warning: static property 'SENTINEL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
 67 |     }
 68 |
 69 |     static var SENTINEL: TreeNode = TreeNode(Piece(bufferIndex: 0, start: BufferCursor(line: 0,column: 0), end: BufferCursor(line: 0, column: 0), length: 0, lineFeedCount: 0), .black);
    |                |- warning: static property 'SENTINEL' is not concurrency-safe because it is nonisolated global shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: convert 'SENTINEL' to a 'let' constant to make 'Sendable' shared state immutable
    |                |- note: annotate 'SENTINEL' 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
 70 |
 71 |     public func next() -> TreeNode {
Build complete! (12.80s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "TextBufferKit",
  "name" : "TextBufferKit",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "TextBufferKit",
      "targets" : [
        "TextBufferKit"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "TextBufferKitTests",
      "module_type" : "SwiftTarget",
      "name" : "TextBufferKitTests",
      "path" : "Tests/TextBufferKitTests",
      "sources" : [
        "PieceTreeTextBufferTests.swift",
        "TextBufferKitTests.swift"
      ],
      "target_dependencies" : [
        "TextBufferKit"
      ],
      "type" : "test"
    },
    {
      "c99name" : "TextBufferKit",
      "module_type" : "SwiftTarget",
      "name" : "TextBufferKit",
      "path" : "Sources/TextBufferKit",
      "product_memberships" : [
        "TextBufferKit"
      ],
      "sources" : [
        "FindMatch.swift",
        "PieceTreeBase.swift",
        "PieceTreeBuilder.swift",
        "PieceTreeTextBuffer.swift",
        "Position.swift",
        "Range.swift",
        "SearchData.swift",
        "TreeBase.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.