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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 DockProgress, reference main (639ca6), with Swift 6.0 for macOS (SPM) on 30 Nov 2024 20:11:15 UTC.

Swift 6 data race errors: 2

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -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

Build Log

========================================
RunAll
========================================
Builder version: 4.58.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/sindresorhus/DockProgress.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/sindresorhus/DockProgress
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 639ca66 Fix version in readme
Cloned https://github.com/sindresorhus/DockProgress.git
Revision (git rev-parse @):
639ca66f19dda6f8bf73470f186447abb1a5a2a2
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/sindresorhus/DockProgress.git at main
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "dockprogress",
      "name": "DockProgress",
      "url": "https://github.com/sindresorhus/DockProgress.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/DockProgress",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/sindresorhus/DockProgress.git
[1/720] Fetching dockprogress
Fetched https://github.com/sindresorhus/DockProgress.git from cache (1.21s)
Creating working copy for https://github.com/sindresorhus/DockProgress.git
Working copy of https://github.com/sindresorhus/DockProgress.git resolved at main (639ca66)
warning: '.resolve-product-dependencies': dependency 'dockprogress' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/sindresorhus/DockProgress.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DockProgress",
  "name" : "DockProgress",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "DockProgress",
      "targets" : [
        "DockProgress"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DockProgress",
      "module_type" : "SwiftTarget",
      "name" : "DockProgress",
      "path" : "Sources/DockProgress",
      "product_memberships" : [
        "DockProgress"
      ],
      "sources" : [
        "DockProgress.swift",
        "Utilities.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.1.0.app xcrun swift build --arch arm64 -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
Building for debugging...
[0/2] Write sources
[1/2] Write swift-version--7754E27361AE5C74.txt
[3/5] Emitting module DockProgress
/Users/admin/builder/spi-builder-workspace/Sources/DockProgress/Utilities.swift:157:13: warning: static property 'helveticaNeueBold' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
155 |
156 | extension NSFont {
157 | 	static let helveticaNeueBold = NSFont(name: "HelveticaNeue-Bold", size: 0)
    |             |- warning: static property 'helveticaNeueBold' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'helveticaNeueBold' 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
158 | }
159 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
/Users/admin/builder/spi-builder-workspace/Sources/DockProgress/DockProgress.swift:24:5: warning: sending 'displayLinkObserver' risks causing data races; this is an error in the Swift 6 language mode
 22 | 				displayedProgress = progress
 23 | 				elapsedTimeSinceLastRefresh = 0
 24 | 				displayLinkObserver.stop()
    |     |- warning: sending 'displayLinkObserver' risks causing data races; this is an error in the Swift 6 language mode
    |     `- note: task-isolated 'displayLinkObserver' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
 25 | 			} else {
 26 | 				displayedProgress = Easing.linearInterpolation(
[4/5] Compiling DockProgress DockProgress.swift
/Users/admin/builder/spi-builder-workspace/Sources/DockProgress/Utilities.swift:157:13: warning: static property 'helveticaNeueBold' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
155 |
156 | extension NSFont {
157 | 	static let helveticaNeueBold = NSFont(name: "HelveticaNeue-Bold", size: 0)
    |             |- warning: static property 'helveticaNeueBold' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'helveticaNeueBold' 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
158 | }
159 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
/Users/admin/builder/spi-builder-workspace/Sources/DockProgress/DockProgress.swift:24:5: warning: sending 'displayLinkObserver' risks causing data races; this is an error in the Swift 6 language mode
 22 | 				displayedProgress = progress
 23 | 				elapsedTimeSinceLastRefresh = 0
 24 | 				displayLinkObserver.stop()
    |     |- warning: sending 'displayLinkObserver' risks causing data races; this is an error in the Swift 6 language mode
    |     `- note: task-isolated 'displayLinkObserver' is captured by a main actor-isolated closure. main actor-isolated uses in closure may race against later nonisolated uses
 25 | 			} else {
 26 | 				displayedProgress = Easing.linearInterpolation(
[5/5] Compiling DockProgress Utilities.swift
/Users/admin/builder/spi-builder-workspace/Sources/DockProgress/Utilities.swift:157:13: warning: static property 'helveticaNeueBold' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
155 |
156 | extension NSFont {
157 | 	static let helveticaNeueBold = NSFont(name: "HelveticaNeue-Bold", size: 0)
    |             |- warning: static property 'helveticaNeueBold' is not concurrency-safe because non-'Sendable' type 'NSFont?' may have shared mutable state; this is an error in the Swift 6 language mode
    |             |- note: annotate 'helveticaNeueBold' 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
158 | }
159 |
Swift.Optional:1:21: note: generic enum 'Optional' does not conform to the 'Sendable' protocol
1 | @frozen public enum Optional<Wrapped> : ~Copyable where Wrapped : ~Copyable {
  |                     `- note: generic enum 'Optional' does not conform to the 'Sendable' protocol
2 |     case none
3 |     case some(Wrapped)
Build complete! (8.15s)
Build complete.
{
  "dependencies" : [
  ],
  "manifest_display_name" : "DockProgress",
  "name" : "DockProgress",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "10.15"
    }
  ],
  "products" : [
    {
      "name" : "DockProgress",
      "targets" : [
        "DockProgress"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "DockProgress",
      "module_type" : "SwiftTarget",
      "name" : "DockProgress",
      "path" : "Sources/DockProgress",
      "product_memberships" : [
        "DockProgress"
      ],
      "sources" : [
        "DockProgress.swift",
        "Utilities.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "5.9"
}
✅  Doc result (pending) reported
========================================
GenerateDocs
========================================
Generating docs at path:  $PWD/.docs/sindresorhus/dockprogress/main
Repository:               sindresorhus/DockProgress
Swift version used:       6.0
Target:                   DockProgress
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/swift-docc-render-artifact/.git/
From https://github.com/swiftlang/swift-docc-render-artifact
 * branch            88815688627177b9716a01ca41da19397bd30e47 -> FETCH_HEAD
HEAD is now at 8881568 Update the artifact
Extracting symbol information for 'DockProgress'...
Finished extracting symbol information for 'DockProgress'. (4.52s)
Building documentation for 'DockProgress'...
Finished building documentation for 'DockProgress' (0.09s)
Generated documentation archive at:
  /Users/admin/builder/spi-builder-workspace/.docs/sindresorhus/dockprogress/main
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/2038] Fetching swift-docc-plugin
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (1.25s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.4.3 (2.34s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3188] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.25s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.56s)
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.4.3
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Building for debugging...
[0/8] Write sources
[2/8] Write snippet-extract-tool-entitlement.plist
[3/8] Write sources
[4/8] Write swift-version--7754E27361AE5C74.txt
[6/53] Emitting module SymbolKit
[7/57] Compiling Snippets Snippet.swift
[8/57] Emitting module Snippets
[9/57] Compiling Snippets SnippetParser.swift
[10/57] Compiling SymbolKit SourceRange.swift
[11/57] Compiling SymbolKit Metadata.swift
[12/57] Compiling SymbolKit Module.swift
[13/57] Compiling SymbolKit OperatingSystem.swift
[14/57] Compiling SymbolKit Platform.swift
[15/57] Compiling SymbolKit Names.swift
[16/57] Compiling SymbolKit SPI.swift
[17/57] Compiling SymbolKit Snippet.swift
[18/57] Compiling SymbolKit Extension.swift
[19/57] Compiling SymbolKit GenericConstraint.swift
[20/57] Compiling SymbolKit GenericParameter.swift
[21/57] Compiling SymbolKit Generics.swift
[22/57] Compiling SymbolKit Namespace.swift
[23/57] Compiling SymbolKit DeclarationFragments.swift
[24/57] Compiling SymbolKit Fragment.swift
[25/57] Compiling SymbolKit FragmentKind.swift
[26/57] Compiling SymbolKit FunctionParameter.swift
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[29/57] Compiling SymbolKit KindIdentifier.swift
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[36/57] Compiling SymbolKit Swift.swift
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[47/57] Compiling SymbolKit Symbol.swift
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[51/57] Compiling SymbolKit UnifiedSymbol+Encodable.swift
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[53/57] Compiling SymbolKit UnifiedSymbolGraph+Encodable.swift
[54/57] Compiling SymbolKit UnifiedSymbolGraph.swift
[55/61] Compiling snippet_extract URL+Status.swift
[56/61] Compiling snippet_extract SymbolGraph+Snippet.swift
[57/61] Emitting module snippet_extract
[58/61] Compiling snippet_extract SnippetBuildCommand.swift
[58/61] Write Objects.LinkFileList
[59/61] Linking snippet-extract-tool
[60/61] Applying snippet-extract-tool
Build of product 'snippet-extract' complete! (4.56s)
Building for debugging...
[0/1] Write swift-version--7754E27361AE5C74.txt
[2/4] Emitting module DockProgress
[3/4] Compiling DockProgress DockProgress.swift
[4/4] Compiling DockProgress Utilities.swift
Build of target: 'DockProgress' complete! (0.71s)
      80
2	/Users/admin/builder/spi-builder-workspace/.docs/sindresorhus/dockprogress/main
✅  Doc result (uploading) reported
========================================
SyncDocs
========================================
Doc archive source directory: $PWD/.docs/sindresorhus/dockprogress/main
File count: 80
Doc size:   2.0MB
Preparing doc bundle ...
Uploading prod-sindresorhus-dockprogress-main-45340e40.zip to s3://spi-docs-inbox/prod-sindresorhus-dockprogress-main-45340e40.zip
Copying... [19%]
Copying... [37%]
Copying... [56%]
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Done.