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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 hmap, reference 1.0.4 (080d03), with Swift 6.1 for Linux on 25 Apr 2025 12:19:05 UTC.

Swift 6 data race errors: 1

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/milend/hmap.git
Reference: 1.0.4
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/milend/hmap
 * tag               1.0.4      -> FETCH_HEAD
HEAD is now at 080d03a Bump version to 1.0.4
Cloned https://github.com/milend/hmap.git
Revision (git rev-parse @):
080d03a61337be936cd36d8546392dd1056fc9d5
SUCCESS checkout https://github.com/milend/hmap.git at 1.0.4
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/milend/hmap.git
https://github.com/milend/hmap.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "commander",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.8.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Commander.git"
    }
  ],
  "manifest_display_name" : "hmap",
  "name" : "hmap",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "hmap",
      "targets" : [
        "hmap"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "hmap",
      "module_type" : "SwiftTarget",
      "name" : "hmap",
      "path" : "Sources/hmap",
      "product_dependencies" : [
        "Commander"
      ],
      "product_memberships" : [
        "hmap"
      ],
      "sources" : [
        "Convert.swift",
        "Print.swift",
        "ReturnCodes.swift",
        "StringExtensions.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "HeaderMapCore",
        "HeaderMapFrontend"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "HeaderMapTesting",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapTesting",
      "path" : "Sources/HeaderMapTesting",
      "sources" : [
        "TestingExtensions.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "HeaderMapFrontendTests",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapFrontendTests",
      "path" : "Tests/HeaderMapFrontendTests",
      "sources" : [
        "CommandTests.swift",
        "CommandTestsData.swift"
      ],
      "target_dependencies" : [
        "HeaderMapTesting",
        "HeaderMapFrontend"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HeaderMapFrontend",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapFrontend",
      "path" : "Sources/HeaderMapFrontend",
      "product_memberships" : [
        "hmap"
      ],
      "sources" : [
        "Command.swift",
        "ConvertCommands.swift",
        "FileFormat.swift",
        "FrontendErrors.swift",
        "PrintCommands.swift"
      ],
      "target_dependencies" : [
        "HeaderMapCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "HeaderMapCoreTests",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapCoreTests",
      "path" : "Tests/HeaderMapCoreTests",
      "sources" : [
        "HeaderMapTests.swift",
        "HeaderMapTestsData.swift"
      ],
      "target_dependencies" : [
        "HeaderMapTesting",
        "HeaderMapCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HeaderMapCore",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapCore",
      "path" : "Sources/HeaderMapCore",
      "product_memberships" : [
        "hmap"
      ],
      "sources" : [
        "BinaryHeaderMap.swift",
        "ByteBuffer.swift",
        "HeaderMap.swift",
        "HeaderMapError.swift",
        "HeaderMapMaker.swift",
        "JSONHeaderMap.swift",
        "extensions/ArrayExtensions.swift",
        "extensions/DictionaryExtensions.swift",
        "extensions/NumberExtensions.swift",
        "extensions/StringExtensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.1"
}
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/kylef/Commander.git
[1/1588] Fetching commander
Fetched https://github.com/kylef/Commander.git from cache (0.48s)
Computing version for https://github.com/kylef/Commander.git
Computed https://github.com/kylef/Commander.git at 0.9.2 (1.74s)
Fetching https://github.com/kylef/Spectre.git
[1/1021] Fetching spectre
Fetched https://github.com/kylef/Spectre.git from cache (0.43s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (7.17s)
Creating working copy for https://github.com/kylef/Commander.git
Working copy of https://github.com/kylef/Commander.git resolved at 0.9.2
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.10.1
Building for debugging...
[0/12] Write sources
[5/12] Write swift-version-24593BA9C3E375BF.txt
[7/33] Emitting module HeaderMapTesting
[8/33] Emitting module HeaderMapCore
[9/34] Compiling Commander ArgumentParser.swift
[10/35] Compiling Commander ArgumentConvertible.swift
[11/35] Compiling Commander ArgumentDescription.swift
[12/35] Emitting module Commander
[13/35] Compiling Commander Group.swift
[14/35] Compiling Commander CommandRunner.swift
[15/35] Compiling Commander Command.swift
[16/35] Compiling HeaderMapCore NumberExtensions.swift
[17/35] Compiling HeaderMapCore StringExtensions.swift
[20/35] Compiling Commander Error.swift
[21/35] Compiling HeaderMapCore ArrayExtensions.swift
[22/35] Compiling HeaderMapCore DictionaryExtensions.swift
[23/35] Compiling HeaderMapCore HeaderMapMaker.swift
[24/35] Compiling HeaderMapCore JSONHeaderMap.swift
[25/35] Compiling HeaderMapCore HeaderMap.swift
[26/35] Compiling HeaderMapCore HeaderMapError.swift
[27/35] Compiling HeaderMapTesting TestingExtensions.swift
[29/37] Wrapping AST for HeaderMapCore for debugging
[31/43] Compiling HeaderMapFrontend FrontendErrors.swift
[32/43] Compiling HeaderMapFrontend PrintCommands.swift
[33/43] Compiling HeaderMapFrontend FileFormat.swift
[34/43] Compiling HeaderMapFrontend Command.swift
[35/43] Compiling HeaderMapFrontend ConvertCommands.swift
/host/spi-builder-workspace/Sources/HeaderMapFrontend/ConvertCommands.swift:48:10: warning: associated value 'sameFormat(format:)' of 'Sendable'-conforming enum 'Error' has non-sendable type 'HeaderMapFileFormat'; this is an error in the Swift 6 language mode
 46 |
 47 |   public enum Error: LocalizedError {
 48 |     case sameFormat(format: HeaderMapFileFormat)
    |          `- warning: associated value 'sameFormat(format:)' of 'Sendable'-conforming enum 'Error' has non-sendable type 'HeaderMapFileFormat'; this is an error in the Swift 6 language mode
 49 |   }
 50 | }
/host/spi-builder-workspace/Sources/HeaderMapFrontend/FileFormat.swift:23:13: note: consider making enum 'HeaderMapFileFormat' conform to the 'Sendable' protocol
21 | // SOFTWARE.
22 |
23 | public enum HeaderMapFileFormat: String {
   |             `- note: consider making enum 'HeaderMapFileFormat' conform to the 'Sendable' protocol
24 |   /** Binary format as defined by Clang */
25 |   case hmap
[36/43] Emitting module HeaderMapFrontend
/host/spi-builder-workspace/Sources/HeaderMapFrontend/ConvertCommands.swift:48:10: warning: associated value 'sameFormat(format:)' of 'Sendable'-conforming enum 'Error' has non-sendable type 'HeaderMapFileFormat'; this is an error in the Swift 6 language mode
 46 |
 47 |   public enum Error: LocalizedError {
 48 |     case sameFormat(format: HeaderMapFileFormat)
    |          `- warning: associated value 'sameFormat(format:)' of 'Sendable'-conforming enum 'Error' has non-sendable type 'HeaderMapFileFormat'; this is an error in the Swift 6 language mode
 49 |   }
 50 | }
/host/spi-builder-workspace/Sources/HeaderMapFrontend/FileFormat.swift:23:13: note: consider making enum 'HeaderMapFileFormat' conform to the 'Sendable' protocol
21 | // SOFTWARE.
22 |
23 | public enum HeaderMapFileFormat: String {
   |             `- note: consider making enum 'HeaderMapFileFormat' conform to the 'Sendable' protocol
24 |   /** Binary format as defined by Clang */
25 |   case hmap
[38/44] Compiling Commander CommandType.swift
[39/44] Compiling Commander Commands.swift
[40/45] Wrapping AST for Commander for debugging
[41/45] Wrapping AST for HeaderMapFrontend for debugging
[43/51] Compiling hmap Print.swift
[44/51] Emitting module hmap
[45/51] Compiling hmap StringExtensions.swift
[46/51] Compiling hmap Convert.swift
[47/51] Compiling hmap main.swift
[48/51] Compiling hmap ReturnCodes.swift
[49/52] Wrapping AST for hmap for debugging
[50/52] Write Objects.LinkFileList
[51/52] Linking hmap
Build complete! (42.88s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "commander",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.8.0",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/kylef/Commander.git"
    }
  ],
  "manifest_display_name" : "hmap",
  "name" : "hmap",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "hmap",
      "targets" : [
        "hmap"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "swift_languages_versions" : [
    "5"
  ],
  "targets" : [
    {
      "c99name" : "hmap",
      "module_type" : "SwiftTarget",
      "name" : "hmap",
      "path" : "Sources/hmap",
      "product_dependencies" : [
        "Commander"
      ],
      "product_memberships" : [
        "hmap"
      ],
      "sources" : [
        "Convert.swift",
        "Print.swift",
        "ReturnCodes.swift",
        "StringExtensions.swift",
        "main.swift"
      ],
      "target_dependencies" : [
        "HeaderMapCore",
        "HeaderMapFrontend"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "HeaderMapTesting",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapTesting",
      "path" : "Sources/HeaderMapTesting",
      "sources" : [
        "TestingExtensions.swift"
      ],
      "type" : "library"
    },
    {
      "c99name" : "HeaderMapFrontendTests",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapFrontendTests",
      "path" : "Tests/HeaderMapFrontendTests",
      "sources" : [
        "CommandTests.swift",
        "CommandTestsData.swift"
      ],
      "target_dependencies" : [
        "HeaderMapTesting",
        "HeaderMapFrontend"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HeaderMapFrontend",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapFrontend",
      "path" : "Sources/HeaderMapFrontend",
      "product_memberships" : [
        "hmap"
      ],
      "sources" : [
        "Command.swift",
        "ConvertCommands.swift",
        "FileFormat.swift",
        "FrontendErrors.swift",
        "PrintCommands.swift"
      ],
      "target_dependencies" : [
        "HeaderMapCore"
      ],
      "type" : "library"
    },
    {
      "c99name" : "HeaderMapCoreTests",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapCoreTests",
      "path" : "Tests/HeaderMapCoreTests",
      "sources" : [
        "HeaderMapTests.swift",
        "HeaderMapTestsData.swift"
      ],
      "target_dependencies" : [
        "HeaderMapTesting",
        "HeaderMapCore"
      ],
      "type" : "test"
    },
    {
      "c99name" : "HeaderMapCore",
      "module_type" : "SwiftTarget",
      "name" : "HeaderMapCore",
      "path" : "Sources/HeaderMapCore",
      "product_memberships" : [
        "hmap"
      ],
      "sources" : [
        "BinaryHeaderMap.swift",
        "ByteBuffer.swift",
        "HeaderMap.swift",
        "HeaderMapError.swift",
        "HeaderMapMaker.swift",
        "JSONHeaderMap.swift",
        "extensions/ArrayExtensions.swift",
        "extensions/DictionaryExtensions.swift",
        "extensions/NumberExtensions.swift",
        "extensions/StringExtensions.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.1"
}
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
Done.