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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 Just, reference 0.8.0 (1824bf), with Swift 6.0 for Linux on 1 Nov 2024 01:42:16 UTC.

Swift 6 data race errors: 2

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/dduan/Just.git
Reference: 0.8.0
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/dduan/Just
 * tag               0.8.0      -> FETCH_HEAD
HEAD is now at 1824bf8 Update Podspec
Cloned https://github.com/dduan/Just.git
Revision (git rev-parse @):
1824bf84cf52d11d69ae20cfb89f0ce5bffa5650
SUCCESS checkout https://github.com/dduan/Just.git at 0.8.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/dduan/Just.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$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
[3/4] Emitting module Just
/host/spi-builder-workspace/Sources/Just/Just.swift:749:7: warning: stored property 'taskConfigs' of 'Sendable'-conforming class 'HTTP' is mutable; this is an error in the Swift 6 language mode
 747 |   }
 748 |
 749 |   var taskConfigs: [TaskID: TaskConfiguration]=[:]
     |       `- warning: stored property 'taskConfigs' of 'Sendable'-conforming class 'HTTP' is mutable; this is an error in the Swift 6 language mode
 750 |   var defaults: JustSessionDefaults!
 751 |   var session: URLSession!
/host/spi-builder-workspace/Sources/Just/Just.swift:1130:12: warning: let 'Just' is not concurrency-safe because non-'Sendable' type 'JustOf<HTTP>' may have shared mutable state; this is an error in the Swift 6 language mode
 420 | }
 421 |
 422 | public struct JustOf<Adaptor: JustAdaptor> {
     |               `- note: consider making generic struct 'JustOf' conform to the 'Sendable' protocol
 423 |   let adaptor: Adaptor
 424 |   public init(session: URLSession? = nil,
     :
1128 | }
1129 |
1130 | public let Just = JustOf<HTTP>()
     |            |- warning: let 'Just' is not concurrency-safe because non-'Sendable' type 'JustOf<HTTP>' may have shared mutable state; this is an error in the Swift 6 language mode
     |            |- note: annotate 'Just' 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
1131 |
[4/4] Compiling Just Just.swift
/host/spi-builder-workspace/Sources/Just/Just.swift:749:7: warning: stored property 'taskConfigs' of 'Sendable'-conforming class 'HTTP' is mutable; this is an error in the Swift 6 language mode
 747 |   }
 748 |
 749 |   var taskConfigs: [TaskID: TaskConfiguration]=[:]
     |       `- warning: stored property 'taskConfigs' of 'Sendable'-conforming class 'HTTP' is mutable; this is an error in the Swift 6 language mode
 750 |   var defaults: JustSessionDefaults!
 751 |   var session: URLSession!
/host/spi-builder-workspace/Sources/Just/Just.swift:1130:12: warning: let 'Just' is not concurrency-safe because non-'Sendable' type 'JustOf<HTTP>' may have shared mutable state; this is an error in the Swift 6 language mode
 420 | }
 421 |
 422 | public struct JustOf<Adaptor: JustAdaptor> {
     |               `- note: consider making generic struct 'JustOf' conform to the 'Sendable' protocol
 423 |   let adaptor: Adaptor
 424 |   public init(session: URLSession? = nil,
     :
1128 | }
1129 |
1130 | public let Just = JustOf<HTTP>()
     |            |- warning: let 'Just' is not concurrency-safe because non-'Sendable' type 'JustOf<HTTP>' may have shared mutable state; this is an error in the Swift 6 language mode
     |            |- note: annotate 'Just' 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
1131 |
Build complete! (9.51s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Just",
  "name" : "Just",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Just",
      "targets" : [
        "Just"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "JustTests",
      "module_type" : "SwiftTarget",
      "name" : "JustTests",
      "path" : "Tests/JustTests",
      "sources" : [
        "CaseInsensitiveDictionaryTests.swift",
        "JustTests.swift"
      ],
      "target_dependencies" : [
        "Just"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Just",
      "module_type" : "SwiftTarget",
      "name" : "Just",
      "path" : "Sources/Just",
      "product_memberships" : [
        "Just"
      ],
      "sources" : [
        "Just.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
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.