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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 HighlightSwift, reference v1.1.0 (784ca3), with Swift 5.10 for macOS (SPM) on 25 Jun 2024 23:28:53 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.43.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/appstefan/HighlightSwift.git
Reference: v1.1.0
Initialized empty Git repository in /Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/appstefan/HighlightSwift
 * tag               v1.1.0     -> FETCH_HEAD
HEAD is now at 784ca3c update README
Cloned https://github.com/appstefan/HighlightSwift.git
Revision (git rev-parse @):
784ca3ccfc8a2cf724fbb2f06cb6ec3329424da3
SUCCESS checkout https://github.com/appstefan/HighlightSwift.git at v1.1.0
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "highlightswift",
      "name": "HighlightSwift",
      "url": "https://github.com/appstefan/HighlightSwift.git",
      "version": "unspecified",
      "path": "/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/HighlightSwift",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/appstefan/HighlightSwift.git from cache
Fetched https://github.com/appstefan/HighlightSwift.git from cache (0.24s)
Creating working copy for https://github.com/appstefan/HighlightSwift.git
Working copy of https://github.com/appstefan/HighlightSwift.git resolved at v1.1.0 (784ca3c)
warning: '.resolve-product-dependencies': dependency 'highlightswift' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/appstefan/HighlightSwift.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/4] Write sources
[0/4] Copying LICENSE.md
[0/4] Copying highlight.min.js
[3/4] Write swift-version-33747A42983211AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[5/22] Emitting module HighlightSwift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:6: error: unknown attribute 'Entry'
    @Entry var highlight: Highlight = Highlight()
     ^
[6/24] Compiling HighlightSwift HighlightTheme.swift
[7/24] Compiling HighlightSwift resource_bundle_accessor.swift
[8/24] Compiling HighlightSwift CodeText.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
[9/24] Compiling HighlightSwift CodeTextCardView.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
[10/24] Compiling HighlightSwift CodeTextColors.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
[11/24] Compiling HighlightSwift Highlight.swift
[12/24] Compiling HighlightSwift HighlightBackground.swift
[13/24] Compiling HighlightSwift HighlightCSS.swift
[14/24] Compiling HighlightSwift HighlightColors.swift
[15/24] Compiling HighlightSwift HighlightMode.swift
[16/24] Compiling HighlightSwift HighlightResult.swift
[17/24] Compiling HighlightSwift HLJS.swift
[18/24] Compiling HighlightSwift HLJSError.swift
[19/24] Compiling HighlightSwift HLJSResult.swift
[20/24] Compiling HighlightSwift HighlightEntry.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:6: error: unknown attribute 'Entry'
    @Entry var highlight: Highlight = Highlight()
     ^
[21/24] Compiling HighlightSwift HighlightLanguage.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:6: error: unknown attribute 'Entry'
    @Entry var highlight: Highlight = Highlight()
     ^
[22/24] Compiling HighlightSwift CodeTextModifiers.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
[23/24] Compiling HighlightSwift CodeTextStyle.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
[24/24] Compiling HighlightSwift CodeTextView.swift
/Users/builder/builds/TDmZkXJm/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/HighlightSwift/Highlight/HighlightEntry.swift:4:16: error: extensions must not contain stored properties
    @Entry var highlight: Highlight = Highlight()
               ^
error: fatalError
BUILD FAILURE 5.10 macosSpm