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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 xmlwrangler, reference 6.2.0 (26d896), with Swift 6.1 for Linux on 29 Apr 2025 10:02:40 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sersoft-gmbh/xmlwrangler.git
Reference: 6.2.0
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/sersoft-gmbh/xmlwrangler
 * tag               6.2.0      -> FETCH_HEAD
HEAD is now at 26d8961 Fix build on older Swift versions
Cloned https://github.com/sersoft-gmbh/xmlwrangler.git
Revision (git rev-parse @):
26d896107a0cd1b8a523cc5c0425ad54aced31a7
SUCCESS checkout https://github.com/sersoft-gmbh/xmlwrangler.git at 6.2.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/sersoft-gmbh/xmlwrangler.git
https://github.com/sersoft-gmbh/xmlwrangler.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "xmlwrangler",
  "name" : "xmlwrangler",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "XMLWrangler",
      "targets" : [
        "XMLWrangler"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XMLWranglerTests",
      "module_type" : "SwiftTarget",
      "name" : "XMLWranglerTests",
      "path" : "Tests/XMLWranglerTests",
      "sources" : [
        "ErrorsTests.swift",
        "GitHubIssueTests.swift",
        "LookupErrorHelpers.swift",
        "ParsingTests.swift",
        "SerializationTests.swift",
        "XMLContentBuilderTests.swift",
        "XMLElement+AttributesTests.swift",
        "XMLElement+ContentTests.swift",
        "XMLElement+LookupTests.swift",
        "XMLElement+MutationTests.swift",
        "XMLElementContent+LookupTests.swift",
        "XMLElementContentElementTests.swift",
        "XMLElementProtocolsTests.swift",
        "XMLElementTests.swift"
      ],
      "target_dependencies" : [
        "XMLWrangler"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XMLWrangler",
      "module_type" : "SwiftTarget",
      "name" : "XMLWrangler",
      "path" : "Sources/XMLWrangler",
      "product_memberships" : [
        "XMLWrangler"
      ],
      "sources" : [
        "Helpers.swift",
        "LookupError.swift",
        "Parsing.swift",
        "Serialization.swift",
        "XMLContentBuilder.swift",
        "XMLElement+Attributes.swift",
        "XMLElement+Content.swift",
        "XMLElement+Lookup.swift",
        "XMLElement+Mutation.swift",
        "XMLElement.swift",
        "XMLElementContent+Lookup.swift",
        "XMLElementContent+Mutation.swift",
        "XMLElementContentElement+InternalHelpers.swift",
        "XMLElementProtocols.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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 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/swiftlang/swift-docc-plugin
[1/2049] Fetching swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (0.40s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.4.3 (3.09s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3376] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.44s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (1.21s)
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.4.3
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/4] Write sources
[3/4] Write swift-version-24593BA9C3E375BF.txt
[5/18] Compiling XMLWrangler XMLElementContent+Lookup.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[6/18] Compiling XMLWrangler XMLElementContent+Mutation.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[7/19] Compiling XMLWrangler XMLElementContentElement+InternalHelpers.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[8/19] Compiling XMLWrangler XMLElementProtocols.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[9/19] Compiling XMLWrangler XMLElement+Mutation.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[10/19] Compiling XMLWrangler XMLElement.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[11/19] Compiling XMLWrangler XMLElement+Content.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[12/19] Compiling XMLWrangler XMLElement+Lookup.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[13/19] Compiling XMLWrangler Parsing.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[14/19] Compiling XMLWrangler Serialization.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[15/19] Compiling XMLWrangler Helpers.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[16/19] Compiling XMLWrangler LookupError.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[17/19] Compiling XMLWrangler XMLContentBuilder.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[18/19] Compiling XMLWrangler XMLElement+Attributes.swift
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
[19/19] Emitting module XMLWrangler
<unknown>:0: warning: upcoming feature 'GlobalConcurrency' is already enabled as of Swift version 6
Build complete! (29.89s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-plugin",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.0.0",
            "upper_bound" : "2.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-plugin"
    }
  ],
  "manifest_display_name" : "xmlwrangler",
  "name" : "xmlwrangler",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    },
    {
      "name" : "ios",
      "version" : "13.0"
    },
    {
      "name" : "tvos",
      "version" : "13.0"
    },
    {
      "name" : "watchos",
      "version" : "6.0"
    },
    {
      "name" : "maccatalyst",
      "version" : "13.0"
    },
    {
      "name" : "visionos",
      "version" : "1.0"
    }
  ],
  "products" : [
    {
      "name" : "XMLWrangler",
      "targets" : [
        "XMLWrangler"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "XMLWranglerTests",
      "module_type" : "SwiftTarget",
      "name" : "XMLWranglerTests",
      "path" : "Tests/XMLWranglerTests",
      "sources" : [
        "ErrorsTests.swift",
        "GitHubIssueTests.swift",
        "LookupErrorHelpers.swift",
        "ParsingTests.swift",
        "SerializationTests.swift",
        "XMLContentBuilderTests.swift",
        "XMLElement+AttributesTests.swift",
        "XMLElement+ContentTests.swift",
        "XMLElement+LookupTests.swift",
        "XMLElement+MutationTests.swift",
        "XMLElementContent+LookupTests.swift",
        "XMLElementContentElementTests.swift",
        "XMLElementProtocolsTests.swift",
        "XMLElementTests.swift"
      ],
      "target_dependencies" : [
        "XMLWrangler"
      ],
      "type" : "test"
    },
    {
      "c99name" : "XMLWrangler",
      "module_type" : "SwiftTarget",
      "name" : "XMLWrangler",
      "path" : "Sources/XMLWrangler",
      "product_memberships" : [
        "XMLWrangler"
      ],
      "sources" : [
        "Helpers.swift",
        "LookupError.swift",
        "Parsing.swift",
        "Serialization.swift",
        "XMLContentBuilder.swift",
        "XMLElement+Attributes.swift",
        "XMLElement+Content.swift",
        "XMLElement+Lookup.swift",
        "XMLElement+Mutation.swift",
        "XMLElement.swift",
        "XMLElementContent+Lookup.swift",
        "XMLElementContent+Mutation.swift",
        "XMLElementContentElement+InternalHelpers.swift",
        "XMLElementProtocols.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
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.