The Swift Package Index logo.Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build SwiftMarkup, reference 0.3.0 (bc71bd), with Swift 6.1 for Linux on 26 Apr 2025 09:31:55 UTC.

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 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftDocOrg/SwiftMarkup.git
Reference: 0.3.0
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/SwiftDocOrg/SwiftMarkup
 * tag               0.3.0      -> FETCH_HEAD
HEAD is now at bc71bde Bump version to 0.3.0
Cloned https://github.com/SwiftDocOrg/SwiftMarkup.git
Revision (git rev-parse @):
bc71bde93b5217833c8ed13d5cf1e0c60f1367a7
SUCCESS checkout https://github.com/SwiftDocOrg/SwiftMarkup.git at 0.3.0
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.1
Building package at path:  $PWD
https://github.com/SwiftDocOrg/SwiftMarkup.git
https://github.com/SwiftDocOrg/SwiftMarkup.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "commonmark",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "0.5.0",
            "upper_bound" : "0.6.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/SwiftDocOrg/CommonMark.git"
    }
  ],
  "manifest_display_name" : "SwiftMarkup",
  "name" : "SwiftMarkup",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "SwiftMarkup",
      "targets" : [
        "SwiftMarkup"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftMarkupTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftMarkupTests",
      "path" : "Tests/SwiftMarkupTests",
      "sources" : [
        "SwiftMarkupTests.swift"
      ],
      "target_dependencies" : [
        "SwiftMarkup"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftMarkup",
      "module_type" : "SwiftTarget",
      "name" : "SwiftMarkup",
      "path" : "Sources/SwiftMarkup",
      "product_dependencies" : [
        "CommonMark"
      ],
      "product_memberships" : [
        "SwiftMarkup"
      ],
      "sources" : [
        "Callout.swift",
        "DiscussionPart.swift",
        "Documentation.swift",
        "Parameter.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.3"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$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
Fetching https://github.com/SwiftDocOrg/CommonMark.git
[1/1175] Fetching commonmark
Fetched https://github.com/SwiftDocOrg/CommonMark.git from cache (0.20s)
Computing version for https://github.com/SwiftDocOrg/CommonMark.git
Computed https://github.com/SwiftDocOrg/CommonMark.git at 0.5.1 (0.66s)
Fetching https://github.com/SwiftDocOrg/swift-cmark.git
[1/12555] Fetching swift-cmark
Fetched https://github.com/SwiftDocOrg/swift-cmark.git from cache (0.53s)
Computing version for https://github.com/SwiftDocOrg/swift-cmark.git
Computed https://github.com/SwiftDocOrg/swift-cmark.git at 0.29.0+20210102.9c8096a (2.35s)
Creating working copy for https://github.com/SwiftDocOrg/CommonMark.git
Working copy of https://github.com/SwiftDocOrg/CommonMark.git resolved at 0.5.1
Creating working copy for https://github.com/SwiftDocOrg/swift-cmark.git
Working copy of https://github.com/SwiftDocOrg/swift-cmark.git resolved at 0.29.0+20210102.9c8096a
Building for debugging...
[0/22] Write sources
[1/22] Compiling cmark cmark.c
[2/22] Compiling cmark buffer.c
[3/22] Compiling cmark xml.c
[4/22] Compiling cmark render.c
[5/22] Compiling cmark blocks.c
[6/22] Compiling cmark references.c
[7/22] Compiling cmark node.c
[8/22] Compiling cmark iterator.c
[9/22] Compiling cmark man.c
[10/22] Compiling cmark latex.c
[11/22] Compiling cmark utf8.c
[12/22] Compiling cmark houdini_html_e.c
[13/22] Compiling cmark houdini_href_e.c
[14/22] Write sources
[15/22] Compiling cmark html.c
[16/22] Compiling cmark inlines.c
[17/22] Compiling cmark cmark_ctype.c
[17/22] Write swift-version-24593BA9C3E375BF.txt
[19/22] Compiling cmark houdini_html_u.c
[20/22] Compiling cmark commonmark.c
[21/22] Compiling cmark scanners.c
[23/47] Emitting module CommonMark
[24/50] Compiling CommonMark Strong.swift
/host/spi-builder-workspace/.build/checkouts/CommonMark/Sources/CommonMark/Nodes/Node.swift:218:13: error: cannot find 'free' in scope
216 |
217 |         defer {
218 |             free(cString)
    |             `- error: cannot find 'free' in scope
219 |         }
220 |
[25/50] Compiling CommonMark Text.swift
/host/spi-builder-workspace/.build/checkouts/CommonMark/Sources/CommonMark/Nodes/Node.swift:218:13: error: cannot find 'free' in scope
216 |
217 |         defer {
218 |             free(cString)
    |             `- error: cannot find 'free' in scope
219 |         }
220 |
[26/50] Compiling CommonMark Node.swift
/host/spi-builder-workspace/.build/checkouts/CommonMark/Sources/CommonMark/Nodes/Node.swift:218:13: error: cannot find 'free' in scope
216 |
217 |         defer {
218 |             free(cString)
    |             `- error: cannot find 'free' in scope
219 |         }
220 |
[27/50] Compiling CommonMark Link.swift
[28/50] Compiling CommonMark RawHTML.swift
[29/50] Compiling CommonMark SoftLineBreak.swift
[30/50] Compiling CommonMark BlockQuote.swift
[31/50] Compiling CommonMark CodeBlock.swift
[32/50] Compiling CommonMark HTMLBlock.swift
[33/50] Compiling CommonMark Heading.swift
[34/50] Compiling CommonMark LineBreak.swift
[35/50] Compiling CommonMark Linked.swift
[36/50] Compiling CommonMark Literal.swift
[37/50] Compiling CommonMark List.swift
[38/50] Compiling CommonMark Paragraph.swift
[39/50] Compiling CommonMark ThematicBreak.swift
[40/50] Compiling CommonMark Document.swift
[41/50] Compiling CommonMark Visitable.swift
[42/50] Compiling CommonMark Visitor.swift
[43/50] Compiling CommonMark Version.swift
[44/50] Compiling CommonMark Block.swift
[45/50] Compiling CommonMark Children.swift
[46/50] Compiling CommonMark Inline.swift
[47/50] Compiling CommonMark Code.swift
[48/50] Compiling CommonMark Emphasis.swift
[49/50] Compiling CommonMark HardLineBreak.swift
[50/50] Compiling CommonMark Image.swift
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 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
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version-24593BA9C3E375BF.txt
[2/26] Compiling CommonMark Link.swift
[3/26] Compiling CommonMark RawHTML.swift
[4/26] Compiling CommonMark SoftLineBreak.swift
[5/29] Compiling CommonMark Code.swift
[6/29] Compiling CommonMark Emphasis.swift
[7/29] Compiling CommonMark HardLineBreak.swift
[8/29] Compiling CommonMark Image.swift
[9/29] Compiling CommonMark Strong.swift
/host/spi-builder-workspace/.build/checkouts/CommonMark/Sources/CommonMark/Nodes/Node.swift:218:13: error: cannot find 'free' in scope
216 |
217 |         defer {
218 |             free(cString)
    |             `- error: cannot find 'free' in scope
219 |         }
220 |
[10/29] Compiling CommonMark Text.swift
/host/spi-builder-workspace/.build/checkouts/CommonMark/Sources/CommonMark/Nodes/Node.swift:218:13: error: cannot find 'free' in scope
216 |
217 |         defer {
218 |             free(cString)
    |             `- error: cannot find 'free' in scope
219 |         }
220 |
[11/29] Compiling CommonMark Node.swift
/host/spi-builder-workspace/.build/checkouts/CommonMark/Sources/CommonMark/Nodes/Node.swift:218:13: error: cannot find 'free' in scope
216 |
217 |         defer {
218 |             free(cString)
    |             `- error: cannot find 'free' in scope
219 |         }
220 |
[12/29] Compiling CommonMark BlockQuote.swift
[13/29] Compiling CommonMark CodeBlock.swift
[14/29] Compiling CommonMark HTMLBlock.swift
[15/29] Compiling CommonMark Heading.swift
[16/29] Emitting module CommonMark
[17/29] Compiling CommonMark Block.swift
[18/29] Compiling CommonMark Children.swift
[19/29] Compiling CommonMark Inline.swift
[20/29] Compiling CommonMark LineBreak.swift
[21/29] Compiling CommonMark Linked.swift
[22/29] Compiling CommonMark Literal.swift
[23/29] Compiling CommonMark List.swift
[24/29] Compiling CommonMark Paragraph.swift
[25/29] Compiling CommonMark ThematicBreak.swift
[26/29] Compiling CommonMark Document.swift
[27/29] Compiling CommonMark Visitable.swift
[28/29] Compiling CommonMark Visitor.swift
[29/29] Compiling CommonMark Version.swift
BUILD FAILURE 6.1 linux