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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

Failed to build CommonMark, reference main (6fc9d0), with Swift 6.0 for Linux on 28 Nov 2024 01:38:59 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/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 -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: 4.58.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/SwiftDocOrg/CommonMark.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/SwiftDocOrg/CommonMark
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6fc9d04 Update to Swift 5.4 and @resultBuilder (#25)
Cloned https://github.com/SwiftDocOrg/CommonMark.git
Revision (git rev-parse @):
6fc9d04ff53628d5edd66c110e9f724c01146791
SUCCESS checkout https://github.com/SwiftDocOrg/CommonMark.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.0
Building package at path:  $PWD
https://github.com/SwiftDocOrg/CommonMark.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$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 -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-6.0-latest: Pulling from finestructure/spi-images
Digest: sha256:47d26c99ca4f1ac0a332c85fd5b13ff4390e72115219984a57a68fe9d1063a05
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.0-latest
Fetching https://github.com/SwiftDocOrg/swift-cmark.git
[1/12555] Fetching swift-cmark
Fetched https://github.com/SwiftDocOrg/swift-cmark.git from cache (0.62s)
Computing version for https://github.com/SwiftDocOrg/swift-cmark.git
Computed https://github.com/SwiftDocOrg/swift-cmark.git at 0.29.0+20210102.9c8096a (2.10s)
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...
[0/21] Compiling cmark cmark_ctype.c
[1/21] Compiling cmark houdini_html_e.c
[2/21] Compiling cmark houdini_href_e.c
[3/21] Compiling cmark buffer.c
[4/21] Compiling cmark commonmark.c
[5/21] Compiling cmark xml.c
[6/21] Compiling cmark blocks.c
[7/21] Compiling cmark render.c
[8/21] Compiling cmark references.c
[9/21] Compiling cmark man.c
[10/21] Compiling cmark node.c
[11/21] Compiling cmark iterator.c
[12/21] Compiling cmark latex.c
[13/21] Write sources
[14/21] Compiling cmark html.c
[15/21] Compiling cmark utf8.c
[16/21] Compiling cmark inlines.c
[17/21] Compiling cmark cmark.c
[18/21] Write swift-version-24593BA9C3E375BF.txt
[19/21] Compiling cmark houdini_html_u.c
[20/21] Compiling cmark scanners.c
[22/50] Emitting module CommonMark
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Document.swift:23:27: warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 4 | public final class Document: Node {
 5 |     /// Options for parsing CommonMark text.
 6 |     public struct ParsingOptions: OptionSet {
   |                   `- note: consider making struct 'ParsingOptions' conform to the 'Sendable' protocol
 7 |         public var rawValue: Int32
 8 |
   :
21 |          - Three consecutive full stops (...) become an ellipsis (…)
22 |          */
23 |         public static let smart = Self(rawValue: CMARK_OPT_SMART)
   |                           |- warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
   |                           |- note: annotate 'smart' with '@MainActor' if property should only be accessed from the main actor
   |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     }
25 |
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:162:27: warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
160 |          - Important: This option has an effect only when rendering HTML.
161 |          */
162 |         public static let unsafe = Self(rawValue: CMARK_OPT_UNSAFE)
    |                           |- warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'unsafe' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
163 |
164 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:169:27: warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
167 |          - Important: This option has no effect when rendering XML.
168 |          */
169 |         public static let noBreaks = Self(rawValue: CMARK_OPT_NOBREAKS)
    |                           |- warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'noBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
170 |
171 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:176:27: warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
174 |          - Important: This option has no effect when rendering XML.
175 |          */
176 |         public static let hardBreaks = Self(rawValue: CMARK_OPT_HARDBREAKS)
    |                           |- warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hardBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:184:27: warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
182 |          - Important: This option has an effect only when rendering HTML or XML.
183 |          */
184 |         public static let includeSourcePosition = Self(rawValue: CMARK_OPT_SOURCEPOS)
    |                           |- warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'includeSourcePosition' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
185 |     }
186 |
/host/spi-builder-workspace/Sources/CommonMark/Supporting Types/Visitor.swift:12:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | public enum VisitorContinueKind {
    |             `- note: consider making enum 'VisitorContinueKind' conform to the 'Sendable' protocol
  2 |     /// The visitor should visit the descendents of the current node.
  3 |     case visitChildren
    :
 10 |
 11 |     /// The default is `.visitChildren`
 12 |     static let `default`: Self = .visitChildren
    |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 13 |
 14 |     mutating func override(with other: Self) {
[23/54] Compiling CommonMark List.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Document.swift:23:27: warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 4 | public final class Document: Node {
 5 |     /// Options for parsing CommonMark text.
 6 |     public struct ParsingOptions: OptionSet {
   |                   `- note: consider making struct 'ParsingOptions' conform to the 'Sendable' protocol
 7 |         public var rawValue: Int32
 8 |
   :
21 |          - Three consecutive full stops (...) become an ellipsis (…)
22 |          */
23 |         public static let smart = Self(rawValue: CMARK_OPT_SMART)
   |                           |- warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
   |                           |- note: annotate 'smart' with '@MainActor' if property should only be accessed from the main actor
   |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     }
25 |
[24/54] Compiling CommonMark Paragraph.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Document.swift:23:27: warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 4 | public final class Document: Node {
 5 |     /// Options for parsing CommonMark text.
 6 |     public struct ParsingOptions: OptionSet {
   |                   `- note: consider making struct 'ParsingOptions' conform to the 'Sendable' protocol
 7 |         public var rawValue: Int32
 8 |
   :
21 |          - Three consecutive full stops (...) become an ellipsis (…)
22 |          */
23 |         public static let smart = Self(rawValue: CMARK_OPT_SMART)
   |                           |- warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
   |                           |- note: annotate 'smart' with '@MainActor' if property should only be accessed from the main actor
   |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     }
25 |
[25/54] Compiling CommonMark ThematicBreak.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Document.swift:23:27: warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 4 | public final class Document: Node {
 5 |     /// Options for parsing CommonMark text.
 6 |     public struct ParsingOptions: OptionSet {
   |                   `- note: consider making struct 'ParsingOptions' conform to the 'Sendable' protocol
 7 |         public var rawValue: Int32
 8 |
   :
21 |          - Three consecutive full stops (...) become an ellipsis (…)
22 |          */
23 |         public static let smart = Self(rawValue: CMARK_OPT_SMART)
   |                           |- warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
   |                           |- note: annotate 'smart' with '@MainActor' if property should only be accessed from the main actor
   |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     }
25 |
[26/54] Compiling CommonMark Document.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Document.swift:23:27: warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
 4 | public final class Document: Node {
 5 |     /// Options for parsing CommonMark text.
 6 |     public struct ParsingOptions: OptionSet {
   |                   `- note: consider making struct 'ParsingOptions' conform to the 'Sendable' protocol
 7 |         public var rawValue: Int32
 8 |
   :
21 |          - Three consecutive full stops (...) become an ellipsis (…)
22 |          */
23 |         public static let smart = Self(rawValue: CMARK_OPT_SMART)
   |                           |- warning: static property 'smart' is not concurrency-safe because non-'Sendable' type 'Document.ParsingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
   |                           |- note: annotate 'smart' with '@MainActor' if property should only be accessed from the main actor
   |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
24 |     }
25 |
[27/54] Compiling CommonMark Text.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:162:27: warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
160 |          - Important: This option has an effect only when rendering HTML.
161 |          */
162 |         public static let unsafe = Self(rawValue: CMARK_OPT_UNSAFE)
    |                           |- warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'unsafe' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
163 |
164 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:169:27: warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
167 |          - Important: This option has no effect when rendering XML.
168 |          */
169 |         public static let noBreaks = Self(rawValue: CMARK_OPT_NOBREAKS)
    |                           |- warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'noBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
170 |
171 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:176:27: warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
174 |          - Important: This option has no effect when rendering XML.
175 |          */
176 |         public static let hardBreaks = Self(rawValue: CMARK_OPT_HARDBREAKS)
    |                           |- warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hardBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:184:27: warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
182 |          - Important: This option has an effect only when rendering HTML or XML.
183 |          */
184 |         public static let includeSourcePosition = Self(rawValue: CMARK_OPT_SOURCEPOS)
    |                           |- warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'includeSourcePosition' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
185 |     }
186 |
/host/spi-builder-workspace/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 |
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:285:50: warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
283 |         // Unlink the children from the document node to prevent dangling pointers to the parent.
284 |         let documentChildren = document.removeChildren()
285 |         guard let block = documentChildren.first as? Self,
    |                                                  `- warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
286 |             documentChildren.count == 1
287 |         else {
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:306:52: warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
304 |         // Unlink the children from the root node to prevent dangling pointers to the parent.
305 |         let paragraphChildren = paragraph.removeChildren()
306 |         guard let inline = paragraphChildren.first as? Self,
    |                                                    `- warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
307 |             paragraphChildren.count == 1
308 |         else {
[28/54] Compiling CommonMark Node.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:162:27: warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
160 |          - Important: This option has an effect only when rendering HTML.
161 |          */
162 |         public static let unsafe = Self(rawValue: CMARK_OPT_UNSAFE)
    |                           |- warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'unsafe' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
163 |
164 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:169:27: warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
167 |          - Important: This option has no effect when rendering XML.
168 |          */
169 |         public static let noBreaks = Self(rawValue: CMARK_OPT_NOBREAKS)
    |                           |- warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'noBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
170 |
171 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:176:27: warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
174 |          - Important: This option has no effect when rendering XML.
175 |          */
176 |         public static let hardBreaks = Self(rawValue: CMARK_OPT_HARDBREAKS)
    |                           |- warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hardBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:184:27: warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
182 |          - Important: This option has an effect only when rendering HTML or XML.
183 |          */
184 |         public static let includeSourcePosition = Self(rawValue: CMARK_OPT_SOURCEPOS)
    |                           |- warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'includeSourcePosition' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
185 |     }
186 |
/host/spi-builder-workspace/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 |
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:285:50: warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
283 |         // Unlink the children from the document node to prevent dangling pointers to the parent.
284 |         let documentChildren = document.removeChildren()
285 |         guard let block = documentChildren.first as? Self,
    |                                                  `- warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
286 |             documentChildren.count == 1
287 |         else {
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:306:52: warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
304 |         // Unlink the children from the root node to prevent dangling pointers to the parent.
305 |         let paragraphChildren = paragraph.removeChildren()
306 |         guard let inline = paragraphChildren.first as? Self,
    |                                                    `- warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
307 |             paragraphChildren.count == 1
308 |         else {
[29/54] Compiling CommonMark ContainerOfBlocksBuilder.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:162:27: warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
160 |          - Important: This option has an effect only when rendering HTML.
161 |          */
162 |         public static let unsafe = Self(rawValue: CMARK_OPT_UNSAFE)
    |                           |- warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'unsafe' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
163 |
164 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:169:27: warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
167 |          - Important: This option has no effect when rendering XML.
168 |          */
169 |         public static let noBreaks = Self(rawValue: CMARK_OPT_NOBREAKS)
    |                           |- warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'noBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
170 |
171 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:176:27: warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
174 |          - Important: This option has no effect when rendering XML.
175 |          */
176 |         public static let hardBreaks = Self(rawValue: CMARK_OPT_HARDBREAKS)
    |                           |- warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hardBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:184:27: warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
182 |          - Important: This option has an effect only when rendering HTML or XML.
183 |          */
184 |         public static let includeSourcePosition = Self(rawValue: CMARK_OPT_SOURCEPOS)
    |                           |- warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'includeSourcePosition' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
185 |     }
186 |
/host/spi-builder-workspace/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 |
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:285:50: warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
283 |         // Unlink the children from the document node to prevent dangling pointers to the parent.
284 |         let documentChildren = document.removeChildren()
285 |         guard let block = documentChildren.first as? Self,
    |                                                  `- warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
286 |             documentChildren.count == 1
287 |         else {
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:306:52: warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
304 |         // Unlink the children from the root node to prevent dangling pointers to the parent.
305 |         let paragraphChildren = paragraph.removeChildren()
306 |         guard let inline = paragraphChildren.first as? Self,
    |                                                    `- warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
307 |             paragraphChildren.count == 1
308 |         else {
[30/54] Compiling CommonMark ContainerOfInlineElementsBuilder.swift
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:162:27: warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
160 |          - Important: This option has an effect only when rendering HTML.
161 |          */
162 |         public static let unsafe = Self(rawValue: CMARK_OPT_UNSAFE)
    |                           |- warning: static property 'unsafe' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'unsafe' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
163 |
164 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:169:27: warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
167 |          - Important: This option has no effect when rendering XML.
168 |          */
169 |         public static let noBreaks = Self(rawValue: CMARK_OPT_NOBREAKS)
    |                           |- warning: static property 'noBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'noBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
170 |
171 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:176:27: warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
174 |          - Important: This option has no effect when rendering XML.
175 |          */
176 |         public static let hardBreaks = Self(rawValue: CMARK_OPT_HARDBREAKS)
    |                           |- warning: static property 'hardBreaks' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'hardBreaks' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
177 |
178 |         /**
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:184:27: warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
134 |
135 |     /// Options for rendering a CommonMark document.
136 |     public struct RenderingOptions: OptionSet {
    |                   `- note: consider making struct 'RenderingOptions' conform to the 'Sendable' protocol
137 |         public var rawValue: Int32
138 |
    :
182 |          - Important: This option has an effect only when rendering HTML or XML.
183 |          */
184 |         public static let includeSourcePosition = Self(rawValue: CMARK_OPT_SOURCEPOS)
    |                           |- warning: static property 'includeSourcePosition' is not concurrency-safe because non-'Sendable' type 'Node.RenderingOptions' may have shared mutable state; this is an error in the Swift 6 language mode
    |                           |- note: annotate 'includeSourcePosition' with '@MainActor' if property should only be accessed from the main actor
    |                           `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
185 |     }
186 |
/host/spi-builder-workspace/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 |
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:285:50: warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
283 |         // Unlink the children from the document node to prevent dangling pointers to the parent.
284 |         let documentChildren = document.removeChildren()
285 |         guard let block = documentChildren.first as? Self,
    |                                                  `- warning: cast from '(any Node & Block)?' to unrelated type 'Self' always fails
286 |             documentChildren.count == 1
287 |         else {
/host/spi-builder-workspace/Sources/CommonMark/Nodes/Node.swift:306:52: warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
304 |         // Unlink the children from the root node to prevent dangling pointers to the parent.
305 |         let paragraphChildren = paragraph.removeChildren()
306 |         guard let inline = paragraphChildren.first as? Self,
    |                                                    `- warning: cast from '(any Node & Inline)?' to unrelated type 'Self' always fails
307 |             paragraphChildren.count == 1
308 |         else {
[31/54] Compiling CommonMark ListBuilder.swift
[32/54] Compiling CommonMark Block.swift
[33/54] Compiling CommonMark Children.swift
[34/54] Compiling CommonMark Fragment.swift
[35/54] Compiling CommonMark Inline.swift
[36/54] Compiling CommonMark LineBreak.swift
[37/54] Compiling CommonMark Linked.swift
[38/54] Compiling CommonMark Literal.swift
[39/54] Compiling CommonMark Code.swift
[40/54] Compiling CommonMark Emphasis.swift
[41/54] Compiling CommonMark HardLineBreak.swift
[42/54] Compiling CommonMark Image.swift
[43/54] Compiling CommonMark BlockQuote.swift
[44/54] Compiling CommonMark CodeBlock.swift
[45/54] Compiling CommonMark HTMLBlock.swift
[46/54] Compiling CommonMark Heading.swift
[47/54] Compiling CommonMark Section.swift
/host/spi-builder-workspace/Sources/CommonMark/Supporting Types/Visitor.swift:12:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | public enum VisitorContinueKind {
    |             `- note: consider making enum 'VisitorContinueKind' conform to the 'Sendable' protocol
  2 |     /// The visitor should visit the descendents of the current node.
  3 |     case visitChildren
    :
 10 |
 11 |     /// The default is `.visitChildren`
 12 |     static let `default`: Self = .visitChildren
    |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 13 |
 14 |     mutating func override(with other: Self) {
[48/54] Compiling CommonMark Visitable.swift
/host/spi-builder-workspace/Sources/CommonMark/Supporting Types/Visitor.swift:12:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | public enum VisitorContinueKind {
    |             `- note: consider making enum 'VisitorContinueKind' conform to the 'Sendable' protocol
  2 |     /// The visitor should visit the descendents of the current node.
  3 |     case visitChildren
    :
 10 |
 11 |     /// The default is `.visitChildren`
 12 |     static let `default`: Self = .visitChildren
    |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 13 |
 14 |     mutating func override(with other: Self) {
[49/54] Compiling CommonMark Visitor.swift
/host/spi-builder-workspace/Sources/CommonMark/Supporting Types/Visitor.swift:12:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | public enum VisitorContinueKind {
    |             `- note: consider making enum 'VisitorContinueKind' conform to the 'Sendable' protocol
  2 |     /// The visitor should visit the descendents of the current node.
  3 |     case visitChildren
    :
 10 |
 11 |     /// The default is `.visitChildren`
 12 |     static let `default`: Self = .visitChildren
    |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 13 |
 14 |     mutating func override(with other: Self) {
[50/54] Compiling CommonMark Version.swift
/host/spi-builder-workspace/Sources/CommonMark/Supporting Types/Visitor.swift:12:16: warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
  1 | public enum VisitorContinueKind {
    |             `- note: consider making enum 'VisitorContinueKind' conform to the 'Sendable' protocol
  2 |     /// The visitor should visit the descendents of the current node.
  3 |     case visitChildren
    :
 10 |
 11 |     /// The default is `.visitChildren`
 12 |     static let `default`: Self = .visitChildren
    |                |- warning: static property 'default' is not concurrency-safe because non-'Sendable' type 'VisitorContinueKind' may have shared mutable state; this is an error in the Swift 6 language mode
    |                |- note: annotate 'default' with '@MainActor' if property should only be accessed from the main actor
    |                `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 13 |
 14 |     mutating func override(with other: Self) {
[51/54] Compiling CommonMark Link.swift
[52/54] Compiling CommonMark RawHTML.swift
[53/54] Compiling CommonMark SoftLineBreak.swift
[54/54] Compiling CommonMark Strong.swift
BUILD FAILURE 6.0 linux