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Build Information

Successful build of Sigil, reference 1.1.0 (1d0ced), with Swift 6.1 for Wasm on 8 Mar 2026 12:50:24 UTC.

Swift 6 data race errors: 2

Build Command

bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/loopwerk/Sigil.git
Reference: 1.1.0
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/loopwerk/Sigil
 * tag               1.1.0      -> FETCH_HEAD
HEAD is now at 1d0ced2 feat: cssMapping is now optional - when nil, no syntax highlight classes or even the spans are applied
Cloned https://github.com/loopwerk/Sigil.git
Revision (git rev-parse @):
1d0ced21bcb2746716dc3c1a707240257f1b974c
SUCCESS checkout https://github.com/loopwerk/Sigil.git at 1.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/loopwerk/Sigil.git
https://github.com/loopwerk/Sigil.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-docc-symbolkit",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-symbolkit"
    }
  ],
  "manifest_display_name" : "Sigil",
  "name" : "Sigil",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Sigil",
      "targets" : [
        "Sigil"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SigilTests",
      "module_type" : "SwiftTarget",
      "name" : "SigilTests",
      "path" : "Tests/SigilTests",
      "resources" : [
        {
          "path" : "/host/spi-builder-workspace/Tests/SigilTests/Fixtures",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "SigilTests.swift"
      ],
      "target_dependencies" : [
        "Sigil"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Sigil",
      "module_type" : "SwiftTarget",
      "name" : "Sigil",
      "path" : "Sources/Sigil",
      "product_dependencies" : [
        "SymbolKit"
      ],
      "product_memberships" : [
        "Sigil"
      ],
      "sources" : [
        "Sigil.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:58b971189c4d3c564696bb40c86e07506670ed096ab7351a005c7c449525017a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3668] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.59s)
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at main (4c4ff01)
Building for debugging...
[0/3] Write sources
[2/3] Write swift-version-24593BA9C3E375BF.txt
[4/53] Compiling SymbolKit SourceOrigin.swift
[5/53] Compiling SymbolKit GenericConstraints.swift
[6/53] Compiling SymbolKit Swift.swift
[7/53] Compiling SymbolKit SemanticVersion.swift
[8/53] Compiling SymbolKit AccessControl.swift
[9/53] Compiling SymbolKit AlternateDeclarations.swift
[10/53] Compiling SymbolKit Availability.swift
[11/59] Emitting module SymbolKit
[12/59] Compiling SymbolKit Metadata.swift
[13/59] Compiling SymbolKit Module.swift
[14/59] Compiling SymbolKit OperatingSystem.swift
[15/59] Compiling SymbolKit Platform.swift
[16/59] Compiling SymbolKit ReferenceLocation.swift
[17/59] Compiling SymbolKit Relationship.swift
[18/59] Compiling SymbolKit RelationshipKind.swift
[19/59] Compiling SymbolKit Mixin+Equals.swift
[20/59] Compiling SymbolKit Mixin+Hash.swift
[21/59] Compiling SymbolKit Mixin.swift
[22/59] Compiling SymbolKit AnyScalar.swift
[23/59] Compiling SymbolKit LineList.swift
[24/59] Compiling SymbolKit Position.swift
[25/59] Compiling SymbolKit SourceRange.swift
[26/59] Compiling SymbolKit OverloadData.swift
[27/59] Compiling SymbolKit PlistDetails.swift
[28/59] Compiling SymbolKit SPI.swift
[29/59] Compiling SymbolKit Snippet.swift
[30/59] Compiling SymbolKit Extension.swift
[31/59] Compiling SymbolKit GenericConstraint.swift
[32/59] Compiling SymbolKit GenericParameter.swift
[33/59] Compiling SymbolKit Generics.swift
[34/59] Compiling SymbolKit Namespace.swift
[35/59] Compiling SymbolKit Symbol.swift
[36/59] Compiling SymbolKit SymbolKind.swift
[37/59] Compiling SymbolKit ValueConstraints.swift
[38/59] Compiling SymbolKit SymbolGraph+Overloads.swift
[39/59] Compiling SymbolKit SymbolGraph.swift
[40/59] Compiling SymbolKit AvailabilityItem.swift
[41/59] Compiling SymbolKit Domain.swift
[42/59] Compiling SymbolKit DeclarationFragments+Simplify.swift
[43/59] Compiling SymbolKit DeclarationFragments.swift
[44/59] Compiling SymbolKit Fragment.swift
[45/59] Compiling SymbolKit FragmentKind.swift
[46/59] Compiling SymbolKit FunctionParameter.swift
[47/59] Compiling SymbolKit FunctionSignature.swift
[48/59] Compiling SymbolKit HTTP.swift
[49/59] Compiling SymbolKit Identifier.swift
[50/59] Compiling SymbolKit KindIdentifier.swift
[51/59] Compiling SymbolKit Location.swift
[52/59] Compiling SymbolKit Mutability.swift
[53/59] Compiling SymbolKit Names.swift
[54/59] Compiling SymbolKit GraphCollector.swift
[55/59] Compiling SymbolKit UnifiedSymbol+Encodable.swift
[56/59] Compiling SymbolKit UnifiedSymbol.swift
[57/59] Compiling SymbolKit UnifiedSymbolGraph+Encodable.swift
[58/59] Compiling SymbolKit UnifiedSymbolGraph+Overloads.swift
[59/59] Compiling SymbolKit UnifiedSymbolGraph.swift
[61/62] Compiling Sigil Sigil.swift
/host/spi-builder-workspace/Sources/Sigil/Sigil.swift:31:21: warning: static property 'prism' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
  4 | ///
  5 | /// Use `nil` for any property to render that token as plain text without a wrapper `<span>`.
  6 | public struct CSSMapping {
    |               `- note: consider making struct 'CSSMapping' conform to the 'Sendable' protocol
  7 |   public var keyword: String?
  8 |   public var attribute: String?
    :
 29 |
 30 |   /// [Prism](https://prismjs.com)-compatible CSS classes.
 31 |   public static let prism = CSSMapping(
    |                     |- warning: static property 'prism' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: add '@MainActor' to make static property 'prism' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     keyword: "token keyword",
 33 |     attribute: "token attribute atrule",
/host/spi-builder-workspace/Sources/Sigil/Sigil.swift:40:21: warning: static property 'highlightJS' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
  4 | ///
  5 | /// Use `nil` for any property to render that token as plain text without a wrapper `<span>`.
  6 | public struct CSSMapping {
    |               `- note: consider making struct 'CSSMapping' conform to the 'Sendable' protocol
  7 |   public var keyword: String?
  8 |   public var attribute: String?
    :
 38 |
 39 |   /// [highlight.js](https://highlightjs.org)-compatible CSS classes.
 40 |   public static let highlightJS = CSSMapping(
    |                     |- warning: static property 'highlightJS' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: add '@MainActor' to make static property 'highlightJS' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |     keyword: "hljs-keyword",
 42 |     attribute: "hljs-meta",
[62/62] Emitting module Sigil
/host/spi-builder-workspace/Sources/Sigil/Sigil.swift:31:21: warning: static property 'prism' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
  4 | ///
  5 | /// Use `nil` for any property to render that token as plain text without a wrapper `<span>`.
  6 | public struct CSSMapping {
    |               `- note: consider making struct 'CSSMapping' conform to the 'Sendable' protocol
  7 |   public var keyword: String?
  8 |   public var attribute: String?
    :
 29 |
 30 |   /// [Prism](https://prismjs.com)-compatible CSS classes.
 31 |   public static let prism = CSSMapping(
    |                     |- warning: static property 'prism' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: add '@MainActor' to make static property 'prism' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 32 |     keyword: "token keyword",
 33 |     attribute: "token attribute atrule",
/host/spi-builder-workspace/Sources/Sigil/Sigil.swift:40:21: warning: static property 'highlightJS' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
  4 | ///
  5 | /// Use `nil` for any property to render that token as plain text without a wrapper `<span>`.
  6 | public struct CSSMapping {
    |               `- note: consider making struct 'CSSMapping' conform to the 'Sendable' protocol
  7 |   public var keyword: String?
  8 |   public var attribute: String?
    :
 38 |
 39 |   /// [highlight.js](https://highlightjs.org)-compatible CSS classes.
 40 |   public static let highlightJS = CSSMapping(
    |                     |- warning: static property 'highlightJS' is not concurrency-safe because non-'Sendable' type 'CSSMapping' may have shared mutable state; this is an error in the Swift 6 language mode
    |                     |- note: add '@MainActor' to make static property 'highlightJS' part of global actor 'MainActor'
    |                     `- note: disable concurrency-safety checks if accesses are protected by an external synchronization mechanism
 41 |     keyword: "hljs-keyword",
 42 |     attribute: "hljs-meta",
Build complete! (24.61s)
Build complete.
{
  "dependencies" : [
    {
      "identity" : "swift-docc-symbolkit",
      "requirement" : {
        "branch" : [
          "main"
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/swiftlang/swift-docc-symbolkit"
    }
  ],
  "manifest_display_name" : "Sigil",
  "name" : "Sigil",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Sigil",
      "targets" : [
        "Sigil"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SigilTests",
      "module_type" : "SwiftTarget",
      "name" : "SigilTests",
      "path" : "Tests/SigilTests",
      "resources" : [
        {
          "path" : "/host/spi-builder-workspace/Tests/SigilTests/Fixtures",
          "rule" : {
            "copy" : {
            }
          }
        }
      ],
      "sources" : [
        "SigilTests.swift"
      ],
      "target_dependencies" : [
        "Sigil"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Sigil",
      "module_type" : "SwiftTarget",
      "name" : "Sigil",
      "path" : "Sources/Sigil",
      "product_dependencies" : [
        "SymbolKit"
      ],
      "product_memberships" : [
        "Sigil"
      ],
      "sources" : [
        "Sigil.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.5"
}
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:58b971189c4d3c564696bb40c86e07506670ed096ab7351a005c7c449525017a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
Done.