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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 ascii, reference main (2ba27c), with Swift 6.0 for Linux on 15 Mar 2025 21:43:31 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.60.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/swiftconsole/ascii.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/swiftconsole/ascii
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 2ba27cf ci: update the license header template
Cloned https://github.com/swiftconsole/ascii.git
Revision (git rev-parse @):
2ba27cf34851352353b8963480eb5cf24d64bd25
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swiftconsole/ascii.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/swiftconsole/ascii.git
https://github.com/swiftconsole/ascii.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ascii",
  "name" : "ascii",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ASCII",
      "targets" : [
        "ASCII"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ASCIITests",
      "module_type" : "SwiftTarget",
      "name" : "ASCIITests",
      "path" : "Tests/ASCIITests",
      "sources" : [
        "ASCII+ComparableTests.swift",
        "ASCIITests.swift",
        "Helpers.swift"
      ],
      "target_dependencies" : [
        "ASCII"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ASCII",
      "module_type" : "SwiftTarget",
      "name" : "ASCII",
      "path" : "Sources/ASCII",
      "product_memberships" : [
        "ASCII"
      ],
      "sources" : [
        "ASCII+Convenience.swift",
        "ASCII+Initializers.swift",
        "ASCII.swift",
        "Comparable/ASCII+Comparable+Int.swift",
        "Comparable/ASCII+Comparable+UInt8.swift",
        "Comparable/ASCII+Comparable.swift",
        "Representations/ASCII+Binary.swift",
        "Representations/ASCII+ControlDescription.swift",
        "Representations/ASCII+Decimal.swift",
        "Representations/ASCII+Escaped.swift",
        "Representations/ASCII+Hexadecimal.swift",
        "Representations/ASCII+HtmlEntity.swift",
        "Representations/ASCII+Int.swift",
        "Representations/ASCII+Octal.swift",
        "Representations/ASCII+Unicode.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$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 2>&1
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date 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
[3/17] Emitting module ASCII
[4/18] Compiling ASCII ASCII+Int.swift
[5/18] Compiling ASCII ASCII+Octal.swift
[6/18] Compiling ASCII ASCII+Hexadecimal.swift
[7/18] Compiling ASCII ASCII+HtmlEntity.swift
[8/18] Compiling ASCII ASCII+Convenience.swift
[9/18] Compiling ASCII ASCII+Initializers.swift
[10/18] Compiling ASCII ASCII+Comparable+UInt8.swift
[11/18] Compiling ASCII ASCII+Comparable.swift
[12/18] Compiling ASCII ASCII.swift
[13/18] Compiling ASCII ASCII+Comparable+Int.swift
[14/18] Compiling ASCII ASCII+Decimal.swift
[15/18] Compiling ASCII ASCII+Escaped.swift
[16/18] Compiling ASCII ASCII+Unicode.swift
[17/18] Compiling ASCII ASCII+Binary.swift
[18/18] Compiling ASCII ASCII+ControlDescription.swift
Build complete! (6.51s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "ascii",
  "name" : "ascii",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "ASCII",
      "targets" : [
        "ASCII"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "ASCIITests",
      "module_type" : "SwiftTarget",
      "name" : "ASCIITests",
      "path" : "Tests/ASCIITests",
      "sources" : [
        "ASCII+ComparableTests.swift",
        "ASCIITests.swift",
        "Helpers.swift"
      ],
      "target_dependencies" : [
        "ASCII"
      ],
      "type" : "test"
    },
    {
      "c99name" : "ASCII",
      "module_type" : "SwiftTarget",
      "name" : "ASCII",
      "path" : "Sources/ASCII",
      "product_memberships" : [
        "ASCII"
      ],
      "sources" : [
        "ASCII+Convenience.swift",
        "ASCII+Initializers.swift",
        "ASCII.swift",
        "Comparable/ASCII+Comparable+Int.swift",
        "Comparable/ASCII+Comparable+UInt8.swift",
        "Comparable/ASCII+Comparable.swift",
        "Representations/ASCII+Binary.swift",
        "Representations/ASCII+ControlDescription.swift",
        "Representations/ASCII+Decimal.swift",
        "Representations/ASCII+Escaped.swift",
        "Representations/ASCII+Hexadecimal.swift",
        "Representations/ASCII+HtmlEntity.swift",
        "Representations/ASCII+Int.swift",
        "Representations/ASCII+Octal.swift",
        "Representations/ASCII+Unicode.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.0"
}
basic-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:081dcf4fb829aea9d08447f4790431afbdfbcc335bfeed728ca69c6f181ae2aa
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Done.