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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 Splash with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.29.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/JohnSundell/Splash.git
Reference: 0.16.0
Initialized empty Git repository in /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.git/
From https://github.com/JohnSundell/Splash
 * tag               0.16.0     -> FETCH_HEAD
HEAD is now at 7f4df43 Add support for Swift 5.5's concurrency features (#126)
Cloned https://github.com/JohnSundell/Splash.git
Revision (git rev-parse @):
7f4df436eb78fe64fe2c32c58006e9949fa28ad8
SUCCESS checkout https://github.com/JohnSundell/Splash.git at 0.16.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.10
Building package at path:  $workDir
https://github.com/JohnSundell/Splash.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64
Building for debugging...
[0/22] Write sources
[0/22] Write SplashTokenizer-entitlement.plist
[0/22] Write sources
[1/22] Write SplashHTMLGen-entitlement.plist
[1/22] Write SplashMarkdown-entitlement.plist
[1/22] Write SplashImageGen-entitlement.plist
[8/22] Write sources
[9/22] Write swift-version--423B1241ED78D482.txt
[11/46] Compiling Splash Sequence+Occurrences.swift
[12/46] Compiling Splash String+HTMLEntities.swift
[13/46] Compiling Splash String+IsNumber.swift
[14/46] Compiling Splash String+PrefixChecking.swift
[15/49] Compiling Splash Segment.swift
[16/49] Compiling Splash TokenType.swift
[17/49] Compiling Splash Tokenizer.swift
[18/49] Compiling Splash SwiftGrammar.swift
[19/49] Compiling Splash AttributedStringOutputFormat.swift
[20/49] Compiling Splash HTMLOutputFormat.swift
[21/49] Compiling Splash MarkdownDecorator.swift
[22/49] Compiling Splash OutputBuilder.swift
[23/49] Compiling Splash OutputFormat.swift
[24/49] Compiling Splash String+Removing.swift
[25/49] Compiling Splash Substring+HasSuffix.swift
[26/49] Compiling Splash Grammar.swift
[27/49] Compiling Splash SyntaxHighlighter.swift
[28/49] Compiling Splash SyntaxRule.swift
[29/49] Compiling Splash Color.swift
[30/49] Emitting module Splash
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: warning: initializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in Swift 6
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: note: The missing import of module 'AppKit' will be added implicitly
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
[31/49] Compiling Splash CharacterSet+Contains.swift
[32/49] Compiling Splash Equatable+AnyOf.swift
[33/49] Compiling Splash Int+IsOdd.swift
[34/49] Compiling Splash Sequence+AnyOf.swift
[35/49] Compiling Splash Font.swift
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: warning: initializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in Swift 6
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: note: The missing import of module 'AppKit' will be added implicitly
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
[36/49] Compiling Splash Theme+Defaults.swift
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: warning: initializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in Swift 6
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: note: The missing import of module 'AppKit' will be added implicitly
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
[37/49] Compiling Splash Theme.swift
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: warning: initializer 'init(white:alpha:)' cannot be used in a default argument value because 'AppKit' was not imported by this file; this is an error in Swift 6
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Splash/Theming/Theme.swift:27:42: note: The missing import of module 'AppKit' will be added implicitly
                backgroundColor: Color = Color(white: 0.12, alpha: 1)) {
                                         ^
[38/62] Compiling SplashTokenizer main.swift
[39/62] Emitting module SplashHTMLGen
[40/62] Compiling SplashHTMLGen main.swift
[40/62] Write Objects.LinkFileList
[42/62] Compiling SplashImageGen NSGraphicsContext+InitWithSize.swift
[43/62] Compiling SplashImageGen main.swift
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/main.swift:52:7: error: value of type 'CGImage' has no member 'write'
image.write(to: options.outputURL)
~~~~~ ^~~~~
[44/62] Emitting module SplashTokenizer
[45/62] Compiling SplashTokenizer TokenizerOutputFormat.swift
[45/62] Write Objects.LinkFileList
[47/62] Compiling SplashMarkdown main.swift
[48/62] Emitting module SplashMarkdown
[48/62] Write Objects.LinkFileList
error: emit-module command failed with exit code 1 (use -v to see invocation)
[50/62] Compiling SplashImageGen NSGraphicsContext+Fill.swift
[51/62] Compiling SplashImageGen CommandLine+Options.swift
[52/62] Emitting module SplashImageGen
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/main.swift:52:7: error: value of type 'CGImage' has no member 'write'
image.write(to: options.outputURL)
~~~~~ ^~~~~
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CGImage+WriteToURL.swift:11:11: error: cannot find type 'CGImage' in scope
extension CGImage {
          ^~~~~~~
[53/62] Compiling SplashImageGen CGImage+WriteToURL.swift
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CGImage+WriteToURL.swift:11:11: error: cannot find type 'CGImage' in scope
extension CGImage {
          ^~~~~~~
error: fatalError
[53/62] Linking SplashMarkdown
[53/62] Linking SplashHTMLGen
[53/62] Linking SplashTokenizer
[0/1] Planning build
Building for debugging...
[0/13] Write swift-version--423B1241ED78D482.txt
[1/13] Linking SplashTokenizer
[2/13] Linking SplashMarkdown
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/SplashTokenizer: replacing existing signature
[3/13] Applying SplashTokenizer
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/.build/arm64-apple-macosx/debug/SplashMarkdown: replacing existing signature
[4/13] Applying SplashMarkdown
error: emit-module command failed with exit code 1 (use -v to see invocation)
[6/13] Emitting module SplashImageGen
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/main.swift:52:7: error: value of type 'CGImage' has no member 'write'
image.write(to: options.outputURL)
~~~~~ ^~~~~
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CGImage+WriteToURL.swift:11:11: error: cannot find type 'CGImage' in scope
extension CGImage {
          ^~~~~~~
[7/13] Compiling SplashImageGen main.swift
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/main.swift:52:7: error: value of type 'CGImage' has no member 'write'
image.write(to: options.outputURL)
~~~~~ ^~~~~
[8/13] Compiling SplashImageGen CGImage+WriteToURL.swift
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/SplashImageGen/Extensions/CGImage+WriteToURL.swift:11:11: error: cannot find type 'CGImage' in scope
extension CGImage {
          ^~~~~~~
[8/13] Linking SplashHTMLGen
error: fatalError
[9/13] Applying SplashHTMLGen
BUILD FAILURE 5.10 macosSpm