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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 StringTemplate with Swift 6.0 (beta) for Linux.

Swift 6 data race errors: 2

Build Command

bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.40.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/square/StringTemplate.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/square/StringTemplate
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at dcf4043 Bump version: 2.2.0
Cloned https://github.com/square/StringTemplate.git
Revision (git rev-parse @):
dcf40439eeca1e03913779f242d98dc6b498b666
SUCCESS checkout https://github.com/square/StringTemplate.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $workDir
https://github.com/square/StringTemplate.git
Running build ...
bash -c docker run --rm -v "checkouts-4606859-0":/host -w "$workDir" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete 2>&1
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/6] Compiling StringTemplate String+Template.swift
/host/spi-builder-workspace/Sources/String+Template.swift:66:31: warning: static property 'allowPartial' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
 44 |          Options for how to apply the template
 45 |          */
 46 |         public struct Options: OptionSet {
    |                       `- note: consider making struct 'Options' conform to the 'Sendable' protocol
 47 |             public let rawValue: Int
 48 |
    :
 64 |              ```
 65 |              */
 66 |             public static let allowPartial = Options(rawValue: 1)
    |                               |- warning: static property 'allowPartial' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'allowPartial' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 67 |
 68 |             /**
/host/spi-builder-workspace/Sources/String+Template.swift:78:31: warning: static property 'allowOverflow' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
 44 |          Options for how to apply the template
 45 |          */
 46 |         public struct Options: OptionSet {
    |                       `- note: consider making struct 'Options' conform to the 'Sendable' protocol
 47 |             public let rawValue: Int
 48 |
    :
 76 |              ```
 77 |              */
 78 |             public static let allowOverflow = Options(rawValue: 2)
    |                               |- warning: static property 'allowOverflow' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'allowOverflow' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         }
 80 |
[4/6] Emitting module StringTemplate
/host/spi-builder-workspace/Sources/String+Template.swift:66:31: warning: static property 'allowPartial' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
 44 |          Options for how to apply the template
 45 |          */
 46 |         public struct Options: OptionSet {
    |                       `- note: consider making struct 'Options' conform to the 'Sendable' protocol
 47 |             public let rawValue: Int
 48 |
    :
 64 |              ```
 65 |              */
 66 |             public static let allowPartial = Options(rawValue: 1)
    |                               |- warning: static property 'allowPartial' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'allowPartial' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 67 |
 68 |             /**
/host/spi-builder-workspace/Sources/String+Template.swift:78:31: warning: static property 'allowOverflow' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
 44 |          Options for how to apply the template
 45 |          */
 46 |         public struct Options: OptionSet {
    |                       `- note: consider making struct 'Options' conform to the 'Sendable' protocol
 47 |             public let rawValue: Int
 48 |
    :
 76 |              ```
 77 |              */
 78 |             public static let allowOverflow = Options(rawValue: 2)
    |                               |- warning: static property 'allowOverflow' is not concurrency-safe because non-'Sendable' type 'String.Template.Options' may have shared mutable state; this is an error in the Swift 6 language mode
    |                               |- note: annotate 'allowOverflow' with '@MainActor' if property should only be accessed from the main actor
    |                               `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 79 |         }
 80 |
[5/6] Compiling StringTemplate CharacterSet+Character.swift
[6/6] Compiling StringTemplate String+CharacterSet.swift
Build complete! (8.16s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "StringTemplate",
  "name" : "StringTemplate",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "ios",
      "version" : "11.0"
    },
    {
      "name" : "macos",
      "version" : "10.13"
    },
    {
      "name" : "tvos",
      "version" : "11.0"
    },
    {
      "name" : "watchos",
      "version" : "4.0"
    }
  ],
  "products" : [
    {
      "name" : "StringTemplate",
      "targets" : [
        "StringTemplate"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "StringTemplateTests",
      "module_type" : "SwiftTarget",
      "name" : "StringTemplateTests",
      "path" : "Tests",
      "sources" : [
        "StringTemplateTests.swift"
      ],
      "target_dependencies" : [
        "StringTemplate"
      ],
      "type" : "test"
    },
    {
      "c99name" : "StringTemplate",
      "module_type" : "SwiftTarget",
      "name" : "StringTemplate",
      "path" : "Sources",
      "product_memberships" : [
        "StringTemplate"
      ],
      "sources" : [
        "CharacterSet+Character.swift",
        "String+CharacterSet.swift",
        "String+Template.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.0"
}
Done.
This is a staging environment. For live and up-to-date package information, visit swiftpackageindex.com.