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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 RedShot, reference master (1befb4), with Swift 6.1 for Linux on 25 Apr 2025 10:48:46 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/bermudadigitalstudio/redshot.git
Reference: master
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/bermudadigitalstudio/redshot
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 1befb49 allow to change the buffer size
Cloned https://github.com/bermudadigitalstudio/redshot.git
Revision (git rev-parse @):
1befb496f84b7e2afe5b1c8e105092d4d30c21b6
SUCCESS checkout https://github.com/bermudadigitalstudio/redshot.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bermudadigitalstudio/redshot.git
https://github.com/bermudadigitalstudio/redshot.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RedShot",
  "name" : "RedShot",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "RedShot",
      "targets" : [
        "RedShot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RedShotTests",
      "module_type" : "SwiftTarget",
      "name" : "RedShotTests",
      "path" : "Tests/RedShotTests",
      "sources" : [
        "RedShotPerformanceTests.swift",
        "RedShotTests.swift"
      ],
      "target_dependencies" : [
        "RedShot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RedShot",
      "module_type" : "SwiftTarget",
      "name" : "RedShot",
      "path" : "Sources/RedShot",
      "product_memberships" : [
        "RedShot"
      ],
      "sources" : [
        "Redis.swift",
        "RedisCommands.swift",
        "RedisSocket.swift",
        "RedisSubscribe.swift",
        "RedisType.swift",
        "ResponseParser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.1-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/9] Compiling RedShot RedisSubscribe.swift
[4/9] Compiling RedShot RedisType.swift
[5/9] Compiling RedShot ResponseParser.swift
[6/9] Compiling RedShot RedisCommands.swift
[7/9] Compiling RedShot Redis.swift
/host/spi-builder-workspace/Sources/RedShot/Redis.swift:131:13: warning: capture of 'subscribeSocket' with non-sendable type 'RedisSocket' in a '@Sendable' closure; this is an error in the Swift 6 language mode
129 |
130 |         DispatchQueue.global(qos: .userInitiated).async {
131 |             subscribeSocket.send(string: "SUBSCRIBE \(channel)\r\n")
    |             `- warning: capture of 'subscribeSocket' with non-sendable type 'RedisSocket' in a '@Sendable' closure; this is an error in the Swift 6 language mode
132 |             while subscribeSocket.isConnected {
133 |
/host/spi-builder-workspace/Sources/RedShot/RedisSocket.swift:19:7: note: class 'RedisSocket' does not conform to the 'Sendable' protocol
 17 | #endif
 18 |
 19 | class RedisSocket {
    |       `- note: class 'RedisSocket' does not conform to the 'Sendable' protocol
 20 |
 21 |     private let socketDescriptor: Int32
/host/spi-builder-workspace/Sources/RedShot/Redis.swift:142:25: warning: capture of 'callback' with non-sendable type '((any RedisType)?, (any Error)?) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
140 |                     do {
141 |                         let parser = Parser(bytes: bytes)
142 |                         callback(try parser.parse(), nil)
    |                         |- warning: capture of 'callback' with non-sendable type '((any RedisType)?, (any Error)?) -> Void' in a '@Sendable' closure; this is an error in the Swift 6 language mode
    |                         `- note: a function type must be marked '@Sendable' to conform to 'Sendable'
143 |                     } catch {
144 |                         callback(nil, error)
[8/9] Emitting module RedShot
[9/9] Compiling RedShot RedisSocket.swift
/host/spi-builder-workspace/Sources/RedShot/RedisSocket.swift:117:20: warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
115 |
116 |         defer {
117 |             buffer.deallocate(capacity: 4096)
    |                    `- warning: 'deallocate(capacity:)' is deprecated: Swift currently only supports freeing entire heap blocks, use deallocate() instead
118 |         }
119 |         return data
Build complete! (11.48s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "RedShot",
  "name" : "RedShot",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "RedShot",
      "targets" : [
        "RedShot"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RedShotTests",
      "module_type" : "SwiftTarget",
      "name" : "RedShotTests",
      "path" : "Tests/RedShotTests",
      "sources" : [
        "RedShotPerformanceTests.swift",
        "RedShotTests.swift"
      ],
      "target_dependencies" : [
        "RedShot"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RedShot",
      "module_type" : "SwiftTarget",
      "name" : "RedShot",
      "path" : "Sources/RedShot",
      "product_memberships" : [
        "RedShot"
      ],
      "sources" : [
        "Redis.swift",
        "RedisCommands.swift",
        "RedisSocket.swift",
        "RedisSubscribe.swift",
        "RedisType.swift",
        "ResponseParser.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
basic-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:3bdcac04179f4ed3e5b8e9dbd6e74bbf5ebc0f4fde48bbaad7d1e5c757e65bcb
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.1-latest
Done.