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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 Environment, reference 0.11.1 (a6158d), with Swift 6.0 for Linux on 29 Aug 2024 19:52:13 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: 4.52.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/wlisac/environment.git
Reference: 0.11.1
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/wlisac/environment
 * tag               0.11.1     -> FETCH_HEAD
HEAD is now at a6158da Update version to 0.11.1
Cloned https://github.com/wlisac/environment.git
Revision (git rev-parse @):
a6158da25ac2294edb84ee60ad111c10c5687352
SUCCESS checkout https://github.com/wlisac/environment.git at 0.11.1
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/wlisac/environment.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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: sha256:2b28393d406c9285d9e806e79837f7402d341afc699146287fbe8fc92110de85
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
[3/7] Emitting module Environment
/host/spi-builder-workspace/Sources/Environment/Environment.swift:16:23: warning: static property 'environment' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
 12 | /// A type-safe interface to variables in the environment from which the process was launched.
 13 | @dynamicMemberLookup
 14 | public struct Environment {
    |               `- note: consider making struct 'Environment' conform to the 'Sendable' protocol
 15 |     /// Returns the default environment for the current process.
 16 |     public static let environment = Environment()
    |                       |- warning: static property 'environment' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'environment' 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
 17 |
 18 |     /// Accesses the environment variable associated with the given key for reading and writing.
[4/7] Compiling Environment EnvironmentVariable.swift
[5/7] Compiling Environment Environment+Foundation.swift
[6/7] Compiling Environment Environment.swift
/host/spi-builder-workspace/Sources/Environment/Environment.swift:16:23: warning: static property 'environment' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
 12 | /// A type-safe interface to variables in the environment from which the process was launched.
 13 | @dynamicMemberLookup
 14 | public struct Environment {
    |               `- note: consider making struct 'Environment' conform to the 'Sendable' protocol
 15 |     /// Returns the default environment for the current process.
 16 |     public static let environment = Environment()
    |                       |- warning: static property 'environment' is not concurrency-safe because non-'Sendable' type 'Environment' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'environment' 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
 17 |
 18 |     /// Accesses the environment variable associated with the given key for reading and writing.
[7/7] Compiling Environment Environment+StandardLibrary.swift
Build complete! (12.34s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Environment",
  "name" : "Environment",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Environment",
      "targets" : [
        "Environment"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "EnvironmentTests",
      "module_type" : "SwiftTarget",
      "name" : "EnvironmentTests",
      "path" : "Tests/EnvironmentTests",
      "sources" : [
        "EnvironmentTests.swift",
        "EnvironmentVariableTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Environment"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Environment",
      "module_type" : "SwiftTarget",
      "name" : "Environment",
      "path" : "Sources/Environment",
      "product_memberships" : [
        "Environment"
      ],
      "sources" : [
        "Environment+Foundation.swift",
        "Environment+StandardLibrary.swift",
        "Environment.swift",
        "EnvironmentVariable.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:2b28393d406c9285d9e806e79837f7402d341afc699146287fbe8fc92110de85
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.