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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 Log, reference master (bc686f), with Swift 6.1 for Linux on 25 Apr 2025 23:36:42 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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/Log.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/Log
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at bc686fa Reinventing the wheel. Again.
Cloned https://github.com/bermudadigitalstudio/Log.git
Revision (git rev-parse @):
bc686fadd632b142068eb0b674a80fdb0766d6bd
SUCCESS checkout https://github.com/bermudadigitalstudio/Log.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/bermudadigitalstudio/Log.git
https://github.com/bermudadigitalstudio/Log.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Log",
  "name" : "Log",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Log",
      "targets" : [
        "Log"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LogTests",
      "module_type" : "SwiftTarget",
      "name" : "LogTests",
      "path" : "Tests/LogTests",
      "sources" : [
        "LogTests.swift"
      ],
      "target_dependencies" : [
        "Log"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Log",
      "module_type" : "SwiftTarget",
      "name" : "Log",
      "path" : "Sources/Log",
      "product_memberships" : [
        "Log"
      ],
      "sources" : [
        "Log.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$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
[3/4] Emitting module Log
/host/spi-builder-workspace/Sources/Log/Log.swift:17:5: warning: 'public' modifier is redundant for instance method declared in a public extension
15 |
16 |     /// log something generally unimportant (lowest priority)
17 |     public func verbose(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil)  {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
18 |         log(.verbose, message, file, function, line: line, context: context)
19 |     }
/host/spi-builder-workspace/Sources/Log/Log.swift:22:5: warning: 'public' modifier is redundant for instance method declared in a public extension
20 |
21 |     /// log something which help during debugging (low priority)
22 |     public func debug(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
23 |         log(.debug, message, file, function, line: line, context: context)
24 |     }
/host/spi-builder-workspace/Sources/Log/Log.swift:27:5: warning: 'public' modifier is redundant for instance method declared in a public extension
25 |
26 |     /// log something which you are really interested but which is not an issue or error (normal priority)
27 |     public func info(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
28 |         log(.info, message, file, function, line: line, context: context)
29 |
/host/spi-builder-workspace/Sources/Log/Log.swift:33:5: warning: 'public' modifier is redundant for instance method declared in a public extension
31 |
32 |     /// log something which may cause big trouble soon (high priority)
33 |     public func warning(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
34 |         log(.warning, message, file, function, line: line, context: context)
35 |     }
/host/spi-builder-workspace/Sources/Log/Log.swift:38:5: warning: 'public' modifier is redundant for instance method declared in a public extension
36 |
37 |     /// log something which will keep you awake at night (highest priority)
38 |     public func error(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
39 |         log(.error, message, file, function, line: line, context: context)
40 |     }
[4/4] Compiling Log Log.swift
/host/spi-builder-workspace/Sources/Log/Log.swift:17:5: warning: 'public' modifier is redundant for instance method declared in a public extension
15 |
16 |     /// log something generally unimportant (lowest priority)
17 |     public func verbose(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil)  {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
18 |         log(.verbose, message, file, function, line: line, context: context)
19 |     }
/host/spi-builder-workspace/Sources/Log/Log.swift:22:5: warning: 'public' modifier is redundant for instance method declared in a public extension
20 |
21 |     /// log something which help during debugging (low priority)
22 |     public func debug(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
23 |         log(.debug, message, file, function, line: line, context: context)
24 |     }
/host/spi-builder-workspace/Sources/Log/Log.swift:27:5: warning: 'public' modifier is redundant for instance method declared in a public extension
25 |
26 |     /// log something which you are really interested but which is not an issue or error (normal priority)
27 |     public func info(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
28 |         log(.info, message, file, function, line: line, context: context)
29 |
/host/spi-builder-workspace/Sources/Log/Log.swift:33:5: warning: 'public' modifier is redundant for instance method declared in a public extension
31 |
32 |     /// log something which may cause big trouble soon (high priority)
33 |     public func warning(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
34 |         log(.warning, message, file, function, line: line, context: context)
35 |     }
/host/spi-builder-workspace/Sources/Log/Log.swift:38:5: warning: 'public' modifier is redundant for instance method declared in a public extension
36 |
37 |     /// log something which will keep you awake at night (highest priority)
38 |     public func error(_ message: @autoclosure () -> Any, _ file: String = #file, _ function: String = #function, line: Int = #line, context: Any? = nil) {
   |     `- warning: 'public' modifier is redundant for instance method declared in a public extension
39 |         log(.error, message, file, function, line: line, context: context)
40 |     }
Build complete! (3.63s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Log",
  "name" : "Log",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Log",
      "targets" : [
        "Log"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "LogTests",
      "module_type" : "SwiftTarget",
      "name" : "LogTests",
      "path" : "Tests/LogTests",
      "sources" : [
        "LogTests.swift"
      ],
      "target_dependencies" : [
        "Log"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Log",
      "module_type" : "SwiftTarget",
      "name" : "Log",
      "path" : "Sources/Log",
      "product_memberships" : [
        "Log"
      ],
      "sources" : [
        "Log.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.