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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 MiniGraphviz, reference main (aa15c5), with Swift 6.0 for Linux on 5 Nov 2024 07:53:09 UTC.

Swift 6 data race errors: 1

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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/LuizZak/MiniGraphviz.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/LuizZak/MiniGraphviz
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at aa15c50 Adding Attributes parameter to addConnection(fromLabel:toLabel:)
Cloned https://github.com/LuizZak/MiniGraphviz.git
Revision (git rev-parse @):
aa15c50cf8027dae6dde860a40987c238070d849
SUCCESS checkout https://github.com/LuizZak/MiniGraphviz.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/LuizZak/MiniGraphviz.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$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
[3/6] Compiling MiniGraphviz GraphViz+GraphAttributes.swift
[4/6] Compiling MiniGraphviz GraphViz+Attribute.swift
[5/6] Emitting module MiniGraphviz
/host/spi-builder-workspace/Sources/MiniGraphviz/GraphViz.swift:915:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'GraphViz.Options' may have shared mutable state; this is an error in the Swift 6 language mode
 911 |
 912 |     /// Options for graph generation
 913 |     public struct Options {
     |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
 914 |         /// Default generation options
 915 |         public static let `default`: Self = Self()
     |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'GraphViz.Options' may have shared mutable state; this is an error in the Swift 6 language mode
     |                           |- note: annotate 'default' 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
 916 |
 917 |         /// Whether to simplify groups before emitting the final graph file.
[6/6] Compiling MiniGraphviz GraphViz.swift
/host/spi-builder-workspace/Sources/MiniGraphviz/GraphViz.swift:915:27: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'GraphViz.Options' may have shared mutable state; this is an error in the Swift 6 language mode
 911 |
 912 |     /// Options for graph generation
 913 |     public struct Options {
     |                   `- note: consider making struct 'Options' conform to the 'Sendable' protocol
 914 |         /// Default generation options
 915 |         public static let `default`: Self = Self()
     |                           |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'GraphViz.Options' may have shared mutable state; this is an error in the Swift 6 language mode
     |                           |- note: annotate 'default' 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
 916 |
 917 |         /// Whether to simplify groups before emitting the final graph file.
Build complete! (10.42s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "MiniGraphviz",
  "name" : "MiniGraphviz",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "MiniGraphviz",
      "targets" : [
        "MiniGraphviz"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "MiniGraphvizTests",
      "module_type" : "SwiftTarget",
      "name" : "MiniGraphvizTests",
      "path" : "Tests/MiniGraphvizTests",
      "sources" : [
        "GraphViz+GraphAttributesTests.swift",
        "GraphVizTests.swift",
        "MiniGraphvizTests.swift",
        "TestSupport/StringDiffTesting+Tests.swift",
        "TestSupport/StringDiffTesting.swift"
      ],
      "target_dependencies" : [
        "MiniGraphviz"
      ],
      "type" : "test"
    },
    {
      "c99name" : "MiniGraphviz",
      "module_type" : "SwiftTarget",
      "name" : "MiniGraphviz",
      "path" : "Sources/MiniGraphviz",
      "product_memberships" : [
        "MiniGraphviz"
      ],
      "sources" : [
        "GraphViz+Attribute.swift",
        "GraphViz+GraphAttributes.swift",
        "GraphViz.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.10"
}
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.