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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 cmark, reference 2.1.0 (e97450), with Swift 6.1 for Linux on 26 Apr 2025 09:30:00 UTC.

Swift 6 data race errors: 0

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/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/brokenhandsio/cmark-gfm.git
Reference: 2.1.0
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/brokenhandsio/cmark-gfm
 * tag               2.1.0      -> FETCH_HEAD
HEAD is now at e97450a Revert out changes to blocks.c and manually control cmark extensions where we should be doing it
Cloned https://github.com/brokenhandsio/cmark-gfm.git
Revision (git rev-parse @):
e97450a77a40f12b4f88f95891621c3b5d8669de
SUCCESS checkout https://github.com/brokenhandsio/cmark-gfm.git at 2.1.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/brokenhandsio/cmark-gfm.git
https://github.com/brokenhandsio/cmark-gfm.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
  ],
  "manifest_display_name" : "cmark",
  "name" : "cmark",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "cmark",
      "targets" : [
        "cmark"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "cmark",
      "module_type" : "ClangTarget",
      "name" : "cmark",
      "path" : "Sources/cmark",
      "product_memberships" : [
        "cmark"
      ],
      "sources" : [
        "arena.c",
        "autolink.c",
        "blocks.c",
        "buffer.c",
        "cmark.c",
        "cmark_ctype.c",
        "commonmark.c",
        "core-extensions.c",
        "ext_scanners.c",
        "footnotes.c",
        "houdini_href_e.c",
        "houdini_html_e.c",
        "houdini_html_u.c",
        "html.c",
        "inlines.c",
        "iterator.c",
        "latex.c",
        "linked_list.c",
        "man.c",
        "map.c",
        "node.c",
        "plaintext.c",
        "plugin.c",
        "references.c",
        "registry.c",
        "render.c",
        "scanners.c",
        "strikethrough.c",
        "syntax_extension.c",
        "table.c",
        "tagfilter.c",
        "tasklist.c",
        "utf8.c",
        "xml.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Building for debugging...
[0/34] Compiling cmark cmark_ctype.c
[1/34] Compiling cmark core-extensions.c
[2/34] Compiling cmark buffer.c
[3/34] Compiling cmark map.c
[4/34] Compiling cmark xml.c
[5/34] Compiling cmark tagfilter.c
[6/34] Compiling cmark tasklist.c
[7/34] Compiling cmark node.c
[8/34] Compiling cmark syntax_extension.c
[9/34] Compiling cmark strikethrough.c
[10/34] Compiling cmark registry.c
[11/34] Compiling cmark table.c
[12/34] Compiling cmark render.c
[13/34] Compiling cmark references.c
[14/34] Compiling cmark plugin.c
[15/34] Compiling cmark linked_list.c
[16/34] Compiling cmark plaintext.c
[16/34] Compiling cmark man.c
[18/34] Compiling cmark latex.c
[19/34] Compiling cmark utf8.c
[20/34] Compiling cmark iterator.c
[21/34] Compiling cmark houdini_html_e.c
[21/34] Compiling cmark houdini_href_e.c
[23/34] Compiling cmark html.c
[24/34] Compiling cmark footnotes.c
[25/34] Compiling cmark ext_scanners.c
[26/34] Compiling cmark cmark.c
[27/34] Compiling cmark houdini_html_u.c
[28/34] Compiling cmark inlines.c
[29/34] Compiling cmark commonmark.c
[30/34] Compiling cmark autolink.c
[31/34] Compiling cmark arena.c
[32/34] Compiling cmark blocks.c
[33/34] Compiling cmark scanners.c
Build complete! (0.54s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "cmark",
  "name" : "cmark",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "cmark",
      "targets" : [
        "cmark"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "cmark",
      "module_type" : "ClangTarget",
      "name" : "cmark",
      "path" : "Sources/cmark",
      "product_memberships" : [
        "cmark"
      ],
      "sources" : [
        "arena.c",
        "autolink.c",
        "blocks.c",
        "buffer.c",
        "cmark.c",
        "cmark_ctype.c",
        "commonmark.c",
        "core-extensions.c",
        "ext_scanners.c",
        "footnotes.c",
        "houdini_href_e.c",
        "houdini_html_e.c",
        "houdini_html_u.c",
        "html.c",
        "inlines.c",
        "iterator.c",
        "latex.c",
        "linked_list.c",
        "man.c",
        "map.c",
        "node.c",
        "plaintext.c",
        "plugin.c",
        "references.c",
        "registry.c",
        "render.c",
        "scanners.c",
        "strikethrough.c",
        "syntax_extension.c",
        "table.c",
        "tagfilter.c",
        "tasklist.c",
        "utf8.c",
        "xml.c"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.1"
}
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.