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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 Markdownosaur, reference main (25c327), with Swift 6.0 for macOS (SPM) on 14 Sep 2024 04:57:13 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Release.Candidate.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete

Build Log

========================================
RunAll
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Builder version: 4.53.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/christianselig/Markdownosaur.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/christianselig/Markdownosaur
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 25c3271 Merge pull request #1 from betzerra/feat/package-and-example-project
Cloned https://github.com/christianselig/Markdownosaur.git
Revision (git rev-parse @):
25c32718674f47dded5d3be5d8d9a40e5ce8058c
SUCCESS checkout https://github.com/christianselig/Markdownosaur.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.0
Building package at path:  $PWD
https://github.com/christianselig/Markdownosaur.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.0.0-Release.Candidate.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete
Building for debugging...
[0/38] Write swift-version-117DEE11B69C53C9.txt
[1/38] Compiling cmark-gfm cmark_ctype.c
[2/38] Compiling cmark-gfm cmark.c
[3/38] Compiling cmark-gfm houdini_href_e.c
[4/38] Compiling cmark-gfm footnotes.c
[5/38] Compiling cmark-gfm houdini_html_e.c
[5/38] Compiling cmark-gfm houdini_html_u.c
[7/38] Compiling cmark-gfm buffer.c
[8/38] Compiling cmark-gfm commonmark.c
[9/38] Compiling cmark-gfm xml.c
[10/38] Compiling cmark-gfm syntax_extension.c
[11/38] Compiling cmark-gfm-extensions tasklist.c
[12/38] Compiling cmark-gfm utf8.c
[13/38] Compiling cmark-gfm blocks.c
[14/38] Compiling cmark-gfm-extensions core-extensions.c
[15/38] Compiling cmark-gfm-extensions strikethrough.c
[16/38] Compiling cmark-gfm-extensions ext_scanners.c
[17/38] Compiling cmark-gfm-extensions table.c
[18/38] Compiling cmark-gfm render.c
[19/38] Compiling cmark-gfm registry.c
[20/38] Compiling cmark-gfm plugin.c
[21/38] Compiling cmark-gfm references.c
[22/38] Compiling cmark-gfm plaintext.c
[23/38] Compiling cmark-gfm map.c
[24/38] Compiling cmark-gfm node.c
[25/38] Compiling cmark-gfm-extensions tagfilter.c
[25/38] Write sources
[28/38] Compiling cmark-gfm linked_list.c
[29/38] Compiling cmark-gfm man.c
[30/38] Compiling cmark-gfm iterator.c
[31/38] Compiling cmark-gfm latex.c
[32/38] Compiling CAtomic CAtomic.c
[33/38] Compiling cmark-gfm arena.c
[34/38] Compiling cmark-gfm html.c
[35/38] Compiling cmark-gfm inlines.c
[36/38] Compiling cmark-gfm scanners.c
[37/38] Compiling cmark-gfm-extensions autolink.c
[39/96] Emitting module Markdown
[40/102] Compiling Markdown TableBody.swift
[41/102] Compiling Markdown TableCell.swift
[42/102] Compiling Markdown TableCellContainer.swift
[43/102] Compiling Markdown TableHead.swift
[44/102] Compiling Markdown TableRow.swift
[45/102] Compiling Markdown Replacement.swift
[46/102] Compiling Markdown UnorderedList.swift
[47/102] Compiling Markdown Paragraph.swift
[48/102] Compiling Markdown CodeBlock.swift
[49/102] Compiling Markdown HTMLBlock.swift
[50/102] Compiling Markdown Heading.swift
[51/102] Compiling Markdown ThematicBreak.swift
[52/102] Compiling Markdown Table.swift
[53/102] Compiling Markdown CustomInline.swift
[54/102] Compiling Markdown InlineCode.swift
[55/102] Compiling Markdown InlineHTML.swift
[56/102] Compiling Markdown LineBreak.swift
[57/102] Compiling Markdown SoftBreak.swift
[58/102] Compiling Markdown SymbolLink.swift
[59/102] Compiling Markdown CollectionExtensions.swift
[60/102] Compiling Markdown StringExtensions.swift
[61/102] Compiling Markdown MarkupVisitor.swift
[62/102] Compiling Markdown MarkupWalker.swift
[63/102] Compiling Markdown MarkupFormatter.swift
[64/102] Compiling Markdown MarkupTreeDumper.swift
[65/102] Compiling Markdown SourceLocation.swift
[66/102] Compiling Markdown Emphasis.swift
[67/102] Compiling Markdown Image.swift
[68/102] Compiling Markdown Link.swift
[69/102] Compiling Markdown Strikethrough.swift
[70/102] Compiling Markdown Strong.swift
[71/102] Compiling Markdown ChildIndexPath.swift
[72/102] Compiling Markdown DirectiveArgument.swift
[73/102] Compiling Markdown Document.swift
[74/102] Compiling Markdown LiteralMarkup.swift
[75/102] Compiling Markdown Markup.swift
[76/102] Compiling Markdown MarkupChildren.swift
[77/102] Compiling Markdown MarkupData.swift
[78/102] Compiling Markdown PlainTextConvertibleMarkup.swift
[79/102] Compiling Markdown RawMarkup.swift
[80/102] Compiling Markdown BlockDirective.swift
[81/102] Compiling Markdown BlockQuote.swift
[82/102] Compiling Markdown CustomBlock.swift
[83/102] Compiling Markdown ListItem.swift
[84/102] Compiling Markdown OrderedList.swift
[85/102] Compiling Markdown BlockMarkup.swift
[86/102] Compiling Markdown InlineContainer.swift
[87/102] Compiling Markdown InlineMarkup.swift
[88/102] Compiling Markdown ListItemContainer.swift
[89/102] Compiling Markdown AtomicCounter.swift
[90/102] Compiling Markdown CharacterExtensions.swift
[91/102] Compiling Markdown RangeAdjuster.swift
[92/102] Compiling Markdown RangerTracker.swift
[93/102] Compiling Markdown MarkupRewriter.swift
[94/102] Compiling Markdown BasicBlockContainer.swift
[95/102] Compiling Markdown BasicInlineContainer.swift
[96/102] Compiling Markdown BlockContainer.swift
[97/102] Compiling Markdown Text.swift
[98/102] Compiling Markdown Aside.swift
[99/102] Compiling Markdown BlockDirectiveParser.swift
[100/102] Compiling Markdown CommonMarkConverter.swift
[101/102] Compiling Markdown LazySplitLines.swift
[102/102] Compiling Markdown ParseOptions.swift
error: emit-module command failed with exit code 1 (use -v to see invocation)
[103/104] Emitting module Markdownosaur
/Users/admin/builder/spi-builder-workspace/Sources/Markdownosaur/Markdownosaur.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 | import Markdown
 10 |
[104/104] Compiling Markdownosaur Markdownosaur.swift
/Users/admin/builder/spi-builder-workspace/Sources/Markdownosaur/Markdownosaur.swift:8:8: error: no such module 'UIKit'
  6 | //
  7 |
  8 | import UIKit
    |        `- error: no such module 'UIKit'
  9 | import Markdown
 10 |
Fetching https://github.com/apple/swift-markdown.git
[1/6150] Fetching swift-markdown
Fetched https://github.com/apple/swift-markdown.git from cache (1.50s)
Fetching https://github.com/apple/swift-cmark.git
[1/17849] Fetching swift-cmark
Fetched https://github.com/apple/swift-cmark.git from cache (1.77s)
Creating working copy for https://github.com/apple/swift-cmark.git
Working copy of https://github.com/apple/swift-cmark.git resolved at gfm (792c1c3)
Creating working copy for https://github.com/apple/swift-markdown.git
Working copy of https://github.com/apple/swift-markdown.git resolved at main (97df6e2)
BUILD FAILURE 6.0 macosSpm