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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 Regex, reference master (6ceb24), with Swift 6.1 for Linux on 25 Apr 2025 08:07:18 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/davidskrundz/regex.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/davidskrundz/regex
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 6ceb24d Corrected spelling
Cloned https://github.com/davidskrundz/regex.git
Revision (git rev-parse @):
6ceb24d26dd1c8e4c0fc239ec779c13938c672f6
SUCCESS checkout https://github.com/davidskrundz/regex.git at master
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/davidskrundz/regex.git
https://github.com/davidskrundz/regex.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "1.2.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/DavidSkrundz/Collections.git"
    }
  ],
  "manifest_display_name" : "Regex",
  "name" : "Regex",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Regex",
      "targets" : [
        "Regex"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "sRegex",
      "targets" : [
        "Regex"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    },
    {
      "name" : "dRegex",
      "targets" : [
        "Regex"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RegexTests",
      "module_type" : "SwiftTarget",
      "name" : "RegexTests",
      "path" : "Tests/RegexTests",
      "sources" : [
        "CompilerTests.swift",
        "LexerTests.swift",
        "OptimizerTests.swift",
        "ParserTests.swift",
        "RegexTests.swift"
      ],
      "target_dependencies" : [
        "Regex"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Regex",
      "module_type" : "SwiftTarget",
      "name" : "Regex",
      "path" : "Sources/Regex",
      "product_dependencies" : [
        "Generator"
      ],
      "product_memberships" : [
        "Regex",
        "sRegex",
        "dRegex"
      ],
      "sources" : [
        "Automaton.swift",
        "Compiler/Compiler.swift",
        "Lexer/Lexer.swift",
        "Lexer/Token.swift",
        "Optimizer/Optimizer.swift",
        "Parser/Parser.swift",
        "Parser/Symbol.swift",
        "Regex.swift",
        "RegexError.swift",
        "RegexMatch.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-1":/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/DavidSkrundz/Collections.git
[1/203] Fetching collections
Fetched https://github.com/DavidSkrundz/Collections.git from cache (0.21s)
Computing version for https://github.com/DavidSkrundz/Collections.git
Computed https://github.com/DavidSkrundz/Collections.git at 1.1.2 (0.70s)
Creating working copy for https://github.com/DavidSkrundz/Collections.git
Working copy of https://github.com/DavidSkrundz/Collections.git resolved at 1.1.2
Building for debugging...
[0/9] Write sources
[2/9] Write swift-version-24593BA9C3E375BF.txt
[4/18] Compiling Generator Generator+Sequence.swift
[5/19] Compiling Generator Generator+Previous.swift
[6/19] Compiling Generator Generator+Peek.swift
[7/19] Compiling Generator Generator+Move.swift
[8/19] Compiling Generator Generator.swift
[9/19] Emitting module Generator
[10/19] Compiling Generator Generator+String.swift
[11/19] Compiling Generator Generator+Iterator.swift
[12/19] Compiling Generator Character.swift
[13/19] Compiling Generator Collection+Generator.swift
[14/20] Wrapping AST for Generator for debugging
[16/30] Compiling Regex Regex.swift
[17/31] Compiling Regex RegexError.swift
[18/31] Compiling Regex Symbol.swift
[19/31] Compiling Regex Optimizer.swift
[20/31] Compiling Regex Parser.swift
[21/31] Compiling Regex Lexer.swift
[22/31] Compiling Regex Token.swift
[23/31] Compiling Regex RegexMatch.swift
[24/31] Compiling Regex Automaton.swift
[25/31] Compiling Regex Compiler.swift
[26/31] Emitting module Regex
[27/32] Wrapping AST for Regex for debugging
[28/32] Write Objects.LinkFileList
[30/32] Archiving libsRegex.a
[31/32] Linking libdRegex.so
Build complete! (7.61s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "collections",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "1.1.0",
            "upper_bound" : "1.2.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/DavidSkrundz/Collections.git"
    }
  ],
  "manifest_display_name" : "Regex",
  "name" : "Regex",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Regex",
      "targets" : [
        "Regex"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    },
    {
      "name" : "sRegex",
      "targets" : [
        "Regex"
      ],
      "type" : {
        "library" : [
          "static"
        ]
      }
    },
    {
      "name" : "dRegex",
      "targets" : [
        "Regex"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "RegexTests",
      "module_type" : "SwiftTarget",
      "name" : "RegexTests",
      "path" : "Tests/RegexTests",
      "sources" : [
        "CompilerTests.swift",
        "LexerTests.swift",
        "OptimizerTests.swift",
        "ParserTests.swift",
        "RegexTests.swift"
      ],
      "target_dependencies" : [
        "Regex"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Regex",
      "module_type" : "SwiftTarget",
      "name" : "Regex",
      "path" : "Sources/Regex",
      "product_dependencies" : [
        "Generator"
      ],
      "product_memberships" : [
        "Regex",
        "sRegex",
        "dRegex"
      ],
      "sources" : [
        "Automaton.swift",
        "Compiler/Compiler.swift",
        "Lexer/Lexer.swift",
        "Lexer/Token.swift",
        "Optimizer/Optimizer.swift",
        "Parser/Parser.swift",
        "Parser/Symbol.swift",
        "Regex.swift",
        "RegexError.swift",
        "RegexMatch.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.