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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 swift-html-to-pdf, reference main (804176), with Swift 5.9 for macOS (SPM) on 9 Sep 2024 23:54:28 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 4.52.0
Interrupt handler set up.
========================================
Checkout
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Clone URL: https://github.com/coenttb/swift-html-to-pdf.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/coenttb/swift-html-to-pdf
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 8041767 Update README.md
Cloned https://github.com/coenttb/swift-html-to-pdf.git
Revision (git rev-parse @):
80417671ab977cc58e964f57f80e48c0d3534e7d
SUCCESS checkout https://github.com/coenttb/swift-html-to-pdf.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             5.9
Building package at path:  $PWD
https://github.com/coenttb/swift-html-to-pdf.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-15.2.0.app xcrun swift build --arch arm64
Building for debugging...
error: emit-module command failed with exit code 1 (use -v to see invocation)
[1/6] Compiling HtmlToPdf HtmlToPdf-AsyncStream.swift
[2/6] Compiling HtmlToPdf UIPrintPageRenderer.swift
[3/6] Emitting module HtmlToPdf
/Users/admin/builder/spi-builder-workspace/Sources/HtmlToPdf/NSPrintOperation.swift:89:36: error: call to main actor-isolated initializer 'init(frame:)' in a synchronous nonisolated context
        using webView: WKWebView = WKWebView(frame: .zero)
                                   ^
WebKit.WKWebView:205:24: note: calls to initializer 'init(frame:)' from outside of its actor context are implicitly asynchronous
    public convenience init(frame frameRect: NSRect)
                       ^
[4/6] Compiling HtmlToPdf HtmlToPdf.swift
[5/6] Compiling HtmlToPdf WebViewPool.swift
[6/6] Compiling HtmlToPdf NSPrintOperation.swift
/Users/admin/builder/spi-builder-workspace/Sources/HtmlToPdf/NSPrintOperation.swift:89:36: error: call to main actor-isolated initializer 'init(frame:)' in a synchronous nonisolated context
        using webView: WKWebView = WKWebView(frame: .zero)
                                   ^
WebKit.WKWebView:205:24: note: calls to initializer 'init(frame:)' from outside of its actor context are implicitly asynchronous
    public convenience init(frame frameRect: NSRect)
                       ^
error: fatalError
warning: 'spi-builder-workspace': found 1 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/admin/builder/spi-builder-workspace/Tests/HtmlToPdfTests/HtmlToPdf.xctestplan
BUILD FAILURE 5.9 macosSpm