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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 Flexer, reference main (b8fb79), with Swift 6.0 for Linux on 6 May 2025 02:07:14 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ChimeHQ/Flexer.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/ChimeHQ/Flexer
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at b8fb79e Add .swift-format file and run it on TokenProtocol
Cloned https://github.com/ChimeHQ/Flexer.git
Revision (git rev-parse @):
b8fb79efe3ea65cbb2f7e864042ebce47fada488
SUCCESS checkout https://github.com/ChimeHQ/Flexer.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/ChimeHQ/Flexer.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" registry.gitlab.com/finestructure/spi-images:basic-6.0-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
8f84a9f2102e: Pulling fs layer
803e83960fa4: Pulling fs layer
731260fb6157: Pulling fs layer
340afc28ae42: Pulling fs layer
072280c597da: Pulling fs layer
6a08fe791bab: Pulling fs layer
8f84a9f2102e: Waiting
731260fb6157: Waiting
803e83960fa4: Waiting
340afc28ae42: Waiting
072280c597da: Waiting
6a08fe791bab: Waiting
8f84a9f2102e: Verifying Checksum
8f84a9f2102e: Download complete
8f84a9f2102e: Pull complete
803e83960fa4: Download complete
340afc28ae42: Download complete
072280c597da: Verifying Checksum
072280c597da: Download complete
6a08fe791bab: Verifying Checksum
6a08fe791bab: Download complete
731260fb6157: Verifying Checksum
731260fb6157: Download complete
803e83960fa4: Pull complete
731260fb6157: Pull complete
340afc28ae42: Pull complete
072280c597da: Pull complete
6a08fe791bab: Pull complete
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Downloaded newer image for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version-24593BA9C3E375BF.txt
[3/9] Compiling Flexer LookAheadIteratorProtocol.swift
[4/9] Compiling Flexer LookAheadSequenceReference.swift
[5/9] Compiling Flexer LookAheadSequence.swift
[6/9] Compiling Flexer CharacterSet+Character.swift
[7/9] Compiling Flexer TokenProtocol.swift
[8/9] Emitting module Flexer
[9/9] Compiling Flexer BasicTextCharacterLexer.swift
Build complete! (10.36s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Flexer",
  "name" : "Flexer",
  "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"
    }
  ],
  "products" : [
    {
      "name" : "Flexer",
      "targets" : [
        "Flexer"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "FlexerTests",
      "module_type" : "SwiftTarget",
      "name" : "FlexerTests",
      "path" : "Tests/FlexerTests",
      "sources" : [
        "BasicTextCharacterLexerTests.swift",
        "ExampleLexerTests.swift",
        "LookAheadSequenceReferenceTests.swift"
      ],
      "target_dependencies" : [
        "Flexer"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Flexer",
      "module_type" : "SwiftTarget",
      "name" : "Flexer",
      "path" : "Sources/Flexer",
      "product_memberships" : [
        "Flexer"
      ],
      "sources" : [
        "BasicTextCharacterLexer.swift",
        "CharacterSet+Character.swift",
        "LookAheadIteratorProtocol.swift",
        "LookAheadSequence.swift",
        "LookAheadSequenceReference.swift",
        "TokenProtocol.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:9029076bb687edc160a3d5201c89e92dd9fa7309f33f090c4234365c83366c31
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.