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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 RomanNumerals, reference main (bea00e), with Swift 6.0 for Linux on 28 Nov 2024 02:41:24 UTC.

Swift 6 data race errors: 2

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" 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 -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: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/danielctull/RomanNumerals.git
Reference: main
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/danielctull/RomanNumerals
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at bea00ee Add Swift 5.3 to the list of versions to test against
Cloned https://github.com/danielctull/RomanNumerals.git
Revision (git rev-parse @):
bea00ee11e3d15926894512ec7915a1e01205f6d
SUCCESS checkout https://github.com/danielctull/RomanNumerals.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/danielctull/RomanNumerals.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/host -w "$PWD" 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 -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-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/apple/swift-argument-parser
[1/12395] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser from cache (0.68s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 0.5.0 (0.45s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 0.5.0
Building for debugging...
[0/11] Write sources
[4/11] Write swift-version-24593BA9C3E375BF.txt
[6/16] Compiling ArgumentParserToolInfo ToolInfo.swift
[7/16] Emitting module ArgumentParserToolInfo
[8/16] Compiling RomanNumerals Symbol.swift
[9/16] Compiling RomanNumerals RomanNumeral.swift
/host/spi-builder-workspace/Sources/RomanNumerals/RomanNumeral.swift:119:23: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
  1 |
  2 | public struct RomanNumeral: Equatable {
    |               `- note: consider making struct 'RomanNumeral' conform to the 'Sendable' protocol
  3 |     public let symbols: [Symbol]
  4 | }
    :
117 | extension RomanNumeral: AdditiveArithmetic {
118 |
119 |     public static let zero = RomanNumeral(symbols: [])
    |                       |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'zero' 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
120 |
121 |     public static func += (lhs: inout RomanNumeral, rhs: RomanNumeral) {
[10/16] Emitting module RomanNumerals
/host/spi-builder-workspace/Sources/RomanNumerals/RomanNumeral.swift:119:23: warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
  1 |
  2 | public struct RomanNumeral: Equatable {
    |               `- note: consider making struct 'RomanNumeral' conform to the 'Sendable' protocol
  3 |     public let symbols: [Symbol]
  4 | }
    :
117 | extension RomanNumeral: AdditiveArithmetic {
118 |
119 |     public static let zero = RomanNumeral(symbols: [])
    |                       |- warning: static property 'zero' is not concurrency-safe because non-'Sendable' type 'RomanNumeral' may have shared mutable state; this is an error in the Swift 6 language mode
    |                       |- note: annotate 'zero' 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
120 |
121 |     public static func += (lhs: inout RomanNumeral, rhs: RomanNumeral) {
[12/18] Wrapping AST for ArgumentParserToolInfo for debugging
[13/18] Wrapping AST for RomanNumerals for debugging
[15/52] Emitting module ArgumentParser
[16/56] Compiling ArgumentParser ArgumentHelp.swift
[17/56] Compiling ArgumentParser CompletionKind.swift
[18/56] Compiling ArgumentParser Errors.swift
[19/56] Compiling ArgumentParser Flag.swift
[20/56] Compiling ArgumentParser NameSpecification.swift
[21/56] Compiling ArgumentParser Option.swift
[22/56] Compiling ArgumentParser OptionGroup.swift
[23/56] Compiling ArgumentParser CommandConfiguration.swift
[24/56] Compiling ArgumentParser EnumerableFlag.swift
[25/56] Compiling ArgumentParser ExpressibleByArgument.swift
[26/56] Compiling ArgumentParser BashCompletionsGenerator.swift
[27/56] Compiling ArgumentParser CompletionsGenerator.swift
[28/56] Compiling ArgumentParser FishCompletionsGenerator.swift
[29/56] Compiling ArgumentParser ZshCompletionsGenerator.swift
[30/56] Compiling ArgumentParser Argument.swift
[31/56] Compiling ArgumentParser CollectionExtensions.swift
[32/56] Compiling ArgumentParser SequenceExtensions.swift
[33/56] Compiling ArgumentParser StringExtensions.swift
[34/56] Compiling ArgumentParser Tree.swift
[35/56] Compiling ArgumentParser ParsedValues.swift
[36/56] Compiling ArgumentParser ParserError.swift
[37/56] Compiling ArgumentParser SplitArguments.swift
[38/56] Compiling ArgumentParser DumpHelpGenerator.swift
[39/56] Compiling ArgumentParser ParsableArguments.swift
[40/56] Compiling ArgumentParser ParsableArgumentsValidation.swift
[41/56] Compiling ArgumentParser ParsableCommand.swift
[42/56] Compiling ArgumentParser ArgumentDecoder.swift
[43/56] Compiling ArgumentParser ArgumentDefinition.swift
[44/56] Compiling ArgumentParser HelpCommand.swift
[45/56] Compiling ArgumentParser HelpGenerator.swift
[46/56] Compiling ArgumentParser MessageInfo.swift
[47/56] Compiling ArgumentParser UsageGenerator.swift
[48/56] Compiling ArgumentParser ArgumentSet.swift
[49/56] Compiling ArgumentParser CommandParser.swift
[50/56] Compiling ArgumentParser InputOrigin.swift
[51/56] Compiling ArgumentParser Name.swift
[52/56] Compiling ArgumentParser Parsed.swift
[53/57] Wrapping AST for ArgumentParser for debugging
[55/59] Emitting module RomanNumeralsTool
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:7:16: warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | struct Roman: ParsableCommand {
 6 |
 7 |     static let configuration = CommandConfiguration(
   |                `- warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
 8 |         abstract: "Roman numerals utility.",
 9 |         subcommands: [To.self, From.self])
/host/spi-builder-workspace/.build/checkouts/swift-argument-parser/Sources/ArgumentParser/Parsable Types/CommandConfiguration.swift:13:15: note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
 11 |
 12 | /// The configuration for a command.
 13 | public struct CommandConfiguration {
    |               `- note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
 14 |   /// The name of the command to use on the command line.
 15 |   ///
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
 1 |
 2 | import ArgumentParser
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
 3 | import RomanNumerals
 4 |
 5 | struct Roman: ParsableCommand {
 6 |
 7 |     static let configuration = CommandConfiguration(
   |                |- note: annotate 'configuration' 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
 8 |         abstract: "Roman numerals utility.",
 9 |         subcommands: [To.self, From.self])
[56/59] Compiling RomanNumeralsTool main.swift
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:7:16: warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
 5 | struct Roman: ParsableCommand {
 6 |
 7 |     static let configuration = CommandConfiguration(
   |                `- warning: static property 'configuration' is not concurrency-safe because non-'Sendable' type 'CommandConfiguration' may have shared mutable state; this is an error in the Swift 6 language mode
 8 |         abstract: "Roman numerals utility.",
 9 |         subcommands: [To.self, From.self])
/host/spi-builder-workspace/.build/checkouts/swift-argument-parser/Sources/ArgumentParser/Parsable Types/CommandConfiguration.swift:13:15: note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
 11 |
 12 | /// The configuration for a command.
 13 | public struct CommandConfiguration {
    |               `- note: struct 'CommandConfiguration' does not conform to the 'Sendable' protocol
 14 |   /// The name of the command to use on the command line.
 15 |   ///
/host/spi-builder-workspace/Sources/RomanNumeralsTool/main.swift:2:1: warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
 1 |
 2 | import ArgumentParser
   | `- warning: add '@preconcurrency' to suppress 'Sendable'-related warnings from module 'ArgumentParser'
 3 | import RomanNumerals
 4 |
 5 | struct Roman: ParsableCommand {
 6 |
 7 |     static let configuration = CommandConfiguration(
   |                |- note: annotate 'configuration' 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
 8 |         abstract: "Roman numerals utility.",
 9 |         subcommands: [To.self, From.self])
[57/60] Wrapping AST for RomanNumeralsTool for debugging
[58/60] Write Objects.LinkFileList
[59/60] Linking roman
Build complete! (15.93s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-argument-parser",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.0.1",
            "upper_bound" : "1.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-argument-parser"
    }
  ],
  "manifest_display_name" : "RomanNumerals",
  "name" : "RomanNumerals",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "RomanNumerals",
      "targets" : [
        "RomanNumerals"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "roman",
      "targets" : [
        "RomanNumeralsTool"
      ],
      "type" : {
        "executable" : null
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RomanNumeralsTool",
      "module_type" : "SwiftTarget",
      "name" : "RomanNumeralsTool",
      "path" : "Sources/RomanNumeralsTool",
      "product_dependencies" : [
        "ArgumentParser"
      ],
      "product_memberships" : [
        "roman"
      ],
      "sources" : [
        "main.swift"
      ],
      "target_dependencies" : [
        "RomanNumerals"
      ],
      "type" : "executable"
    },
    {
      "c99name" : "RomanNumeralsTests",
      "module_type" : "SwiftTarget",
      "name" : "RomanNumeralsTests",
      "path" : "Tests/RomanNumeralsTests",
      "sources" : [
        "RomanNumeralTests.swift"
      ],
      "target_dependencies" : [
        "RomanNumerals"
      ],
      "type" : "test"
    },
    {
      "c99name" : "RomanNumerals",
      "module_type" : "SwiftTarget",
      "name" : "RomanNumerals",
      "path" : "Sources/RomanNumerals",
      "product_memberships" : [
        "RomanNumerals",
        "roman"
      ],
      "sources" : [
        "RomanNumeral.swift",
        "Symbol.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.