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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 macOS (SPM) on 24 Apr 2025 20:46:32 UTC.

Swift 6 data race errors: 1

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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

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 /Users/admin/builder/spi-builder-workspace/.git/
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
Fetching https://github.com/kylef/Spectre.git
Fetching https://github.com/kylef/Commander.git
[11/1021] Fetching spectre
[165/2609] Fetching spectre, commander
Fetched https://github.com/kylef/Commander.git from cache (0.82s)
Computing version for https://github.com/kylef/Commander.git
Fetched https://github.com/kylef/Spectre.git from cache (0.83s)
Computed https://github.com/kylef/Commander.git at 0.9.0 (1.43s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.9.0 (2.95s)
Creating working copy for https://github.com/kylef/Spectre.git
Working copy of https://github.com/kylef/Spectre.git resolved at 0.9.0
Creating working copy for https://github.com/kylef/Commander.git
Working copy of https://github.com/kylef/Commander.git resolved at 0.9.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "hmap",
      "name": "hmap",
      "url": "https://github.com/milend/hmap.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/hmap",
      "dependencies": [
        {
          "identity": "commander",
          "name": "Commander",
          "url": "https://github.com/kylef/Commander.git",
          "version": "0.9.2",
          "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Commander",
          "dependencies": [
            {
              "identity": "spectre",
              "name": "Spectre",
              "url": "https://github.com/kylef/Spectre.git",
              "version": "0.10.1",
              "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/Spectre",
              "dependencies": [
              ]
            }
          ]
        }
      ]
    }
  ]
}
Fetching https://github.com/milend/hmap.git
[1/193] Fetching hmap
Fetched https://github.com/milend/hmap.git from cache (0.62s)
Fetching https://github.com/kylef/Commander.git from cache
Fetched https://github.com/kylef/Commander.git from cache (0.42s)
Computing version for https://github.com/kylef/Commander.git
Computed https://github.com/kylef/Commander.git at 0.9.2 (0.99s)
Fetching https://github.com/kylef/Spectre.git from cache
Fetched https://github.com/kylef/Spectre.git from cache (0.40s)
Computing version for https://github.com/kylef/Spectre.git
Computed https://github.com/kylef/Spectre.git at 0.10.1 (1.05s)
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
Creating working copy for https://github.com/milend/hmap.git
Working copy of https://github.com/milend/hmap.git resolved at 1.0.4 (080d03a)
Found 1 product dependencies
  - Commander
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/milend/hmap.git
https://github.com/milend/hmap.git
{
  "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" : "/Users/admin/builder/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 ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/10] Write sources
[0/10] Write hmap-entitlement.plist
[1/10] Write sources
[6/10] Write swift-version-2F0A5646E1D333AE.txt
[8/32] Compiling Commander ArgumentConvertible.swift
[9/32] Compiling Commander ArgumentDescription.swift
[10/32] Compiling Commander Group.swift
[11/32] Emitting module Commander
[12/32] Compiling Commander Error.swift
[13/32] Compiling Commander CommandType.swift
[14/32] Compiling Commander CommandRunner.swift
[15/32] Compiling Commander Command.swift
[16/32] Compiling Commander ArgumentParser.swift
[17/32] Compiling Commander Commands.swift
[18/32] Compiling HeaderMapCore ArrayExtensions.swift
[19/33] Compiling HeaderMapCore JSONHeaderMap.swift
[20/33] Compiling HeaderMapCore HeaderMapError.swift
[21/33] Compiling HeaderMapCore HeaderMapMaker.swift
[22/33] Compiling HeaderMapCore DictionaryExtensions.swift
[23/33] Compiling HeaderMapCore NumberExtensions.swift
[24/33] Compiling HeaderMapCore ByteBuffer.swift
[25/33] Compiling HeaderMapCore HeaderMap.swift
[26/33] Emitting module HeaderMapCore
[27/33] Compiling HeaderMapCore BinaryHeaderMap.swift
[28/33] Compiling HeaderMapCore StringExtensions.swift
[29/39] Compiling HeaderMapFrontend FileFormat.swift
[30/39] Emitting module HeaderMapFrontend
/Users/admin/builder/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 | }
/Users/admin/builder/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
[31/39] Compiling HeaderMapFrontend PrintCommands.swift
[32/39] Compiling HeaderMapFrontend FrontendErrors.swift
[33/39] Compiling HeaderMapFrontend Command.swift
[34/39] Compiling HeaderMapFrontend ConvertCommands.swift
/Users/admin/builder/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 | }
/Users/admin/builder/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
[35/45] Compiling hmap StringExtensions.swift
[36/45] Compiling hmap main.swift
[37/45] Compiling hmap ReturnCodes.swift
[38/45] Emitting module hmap
[39/45] Compiling hmap Print.swift
[40/45] Compiling hmap Convert.swift
[40/45] Write Objects.LinkFileList
[41/45] Linking hmap
[42/45] Applying hmap
[44/45] Emitting module HeaderMapTesting
[45/45] Compiling HeaderMapTesting TestingExtensions.swift
Build complete! (11.13s)
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" : "/Users/admin/builder/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"
}
Done.