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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 Scribe, reference 2.0.2 (9d3c97), with Swift 6.1 for Linux on 27 Apr 2025 11:12:46 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/0xLeif/Scribe.git
Reference: 2.0.2
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/0xLeif/Scribe
 * tag               2.0.2      -> FETCH_HEAD
HEAD is now at 9d3c974 Remove sneaky import
Cloned https://github.com/0xLeif/Scribe.git
Revision (git rev-parse @):
9d3c974f5290105adeea36767af4bce349a1f4a4
SUCCESS checkout https://github.com/0xLeif/Scribe.git at 2.0.2
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/0xLeif/Scribe.git
https://github.com/0xLeif/Scribe.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log"
    },
    {
      "identity" : "plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/0xLeif/Plugin"
    }
  ],
  "manifest_display_name" : "Scribe",
  "name" : "Scribe",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "Scribe",
      "targets" : [
        "Scribe"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ScribeTests",
      "module_type" : "SwiftTarget",
      "name" : "ScribeTests",
      "path" : "Tests/ScribeTests",
      "sources" : [
        "ScribeTests.swift"
      ],
      "target_dependencies" : [
        "Scribe"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Scribe",
      "module_type" : "SwiftTarget",
      "name" : "Scribe",
      "path" : "Sources/Scribe",
      "product_dependencies" : [
        "Logging",
        "Plugin"
      ],
      "product_memberships" : [
        "Scribe"
      ],
      "sources" : [
        "Scribe.swift",
        "ScribePlugin.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
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
Fetching https://github.com/apple/swift-log
Fetching https://github.com/0xLeif/Plugin
[1/153] Fetching plugin
Fetched https://github.com/0xLeif/Plugin from cache (0.24s)
[1/3836] Fetching swift-log
Fetched https://github.com/apple/swift-log from cache (0.69s)
Computing version for https://github.com/0xLeif/Plugin
Computed https://github.com/0xLeif/Plugin at 2.0.2 (1.85s)
Fetching https://github.com/0xLeif/Fork
[1/484] Fetching fork
Fetched https://github.com/0xLeif/Fork from cache (0.30s)
Computing version for https://github.com/0xLeif/Fork
Computed https://github.com/0xLeif/Fork at 1.3.0 (1.38s)
Computing version for https://github.com/apple/swift-log
Computed https://github.com/apple/swift-log at 1.6.3 (0.93s)
Creating working copy for https://github.com/0xLeif/Plugin
Working copy of https://github.com/0xLeif/Plugin resolved at 2.0.2
Creating working copy for https://github.com/0xLeif/Fork
Working copy of https://github.com/0xLeif/Fork resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-log
Working copy of https://github.com/apple/swift-log resolved at 1.6.3
Building for debugging...
[0/5] Write sources
[4/5] Write swift-version-24593BA9C3E375BF.txt
[6/19] Compiling Fork ForkedActor.swift
[7/20] Compiling Fork Sequence+ForkedArray.swift
[8/20] Emitting module Fork
[9/20] Compiling Fork Actor+ForkedActor.swift
[10/20] Compiling Fork Task+Fork.swift
[11/20] Compiling Fork KeyPathActor.swift
[12/20] Compiling Fork BatchedForkedArray.swift
[13/20] Compiling Fork Sequence+BatchedForkedArray.swift
[14/20] Compiling Fork Fork.swift
[15/20] Compiling Fork ForkedArray.swift
[17/26] Compiling Logging Locks.swift
[18/26] Emitting module Logging
[19/26] Compiling Plugin Plugin.swift
[20/26] Compiling Logging LogHandler.swift
[21/26] Compiling Plugin ImmutablePluginable.swift
[22/26] Compiling Logging Logging.swift
[23/26] Emitting module Plugin
[24/26] Compiling Plugin ImmutablePlugin.swift
[25/26] Compiling Logging MetadataProvider.swift
[26/27] Compiling Plugin Pluginable.swift
[29/31] Compiling Scribe ScribePlugin.swift
[30/31] Emitting module Scribe
[31/31] Compiling Scribe Scribe.swift
/host/spi-builder-workspace/Sources/Scribe/Scribe.swift:111:21: warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
109 |         )
110 |
111 |         return Task {
    |                     `- warning: passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure; this is an error in the Swift 6 language mode
112 |             try await handle(value: pluginPayload)
    |                       `- note: closure captures 'self' which is accessible to code in the current task
113 |         }
114 |     }
Build complete! (14.19s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-log",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.5.2",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-log"
    },
    {
      "identity" : "plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.0.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/0xLeif/Plugin"
    }
  ],
  "manifest_display_name" : "Scribe",
  "name" : "Scribe",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "11.0"
    },
    {
      "name" : "ios",
      "version" : "14.0"
    },
    {
      "name" : "watchos",
      "version" : "7.0"
    },
    {
      "name" : "tvos",
      "version" : "14.0"
    }
  ],
  "products" : [
    {
      "name" : "Scribe",
      "targets" : [
        "Scribe"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ScribeTests",
      "module_type" : "SwiftTarget",
      "name" : "ScribeTests",
      "path" : "Tests/ScribeTests",
      "sources" : [
        "ScribeTests.swift"
      ],
      "target_dependencies" : [
        "Scribe"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Scribe",
      "module_type" : "SwiftTarget",
      "name" : "Scribe",
      "path" : "Sources/Scribe",
      "product_dependencies" : [
        "Logging",
        "Plugin"
      ],
      "product_memberships" : [
        "Scribe"
      ],
      "sources" : [
        "Scribe.swift",
        "ScribePlugin.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.7"
}
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.