Swift Package IndexBuild Information
Failed to build slipstream, reference 2.0.0 (8c2151), with Swift 6.3 for Wasm on 16 Apr 2026 19:57:02 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ClutchEngineering/slipstream.git
Reference: 2.0.0
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/ClutchEngineering/slipstream
* tag 2.0.0 -> FETCH_HEAD
HEAD is now at 8c21519 Add multi-threaded rendering support and upgrade to Swift 6.1 (#209)
Cloned https://github.com/ClutchEngineering/slipstream.git
Revision (git rev-parse @):
8c215192675d339ce26cf78a1eb9999d3cf47941
SUCCESS checkout https://github.com/ClutchEngineering/slipstream.git at 2.0.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/ClutchEngineering/slipstream.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
Fetching https://github.com/apple/swift-markdown.git
[1/7235] Fetching swift-markdown
Fetched https://github.com/apple/swift-markdown.git from cache (0.56s)
Fetching https://github.com/swiftlang/swift-cmark.git
[1/18374] Fetching swift-cmark
Fetched https://github.com/swiftlang/swift-cmark.git from cache (1.14s)
Fetching https://github.com/scinfu/SwiftSoup.git
Fetching https://github.com/swiftlang/swift-docc-plugin
[1/2277] Fetching swift-docc-plugin
[229/8206] Fetching swift-docc-plugin, swiftsoup
Fetched https://github.com/swiftlang/swift-docc-plugin from cache (2.67s)
Fetched https://github.com/scinfu/SwiftSoup.git from cache (2.67s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.4.6 (3.72s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3672] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (1.22s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.08s)
Computing version for https://github.com/scinfu/SwiftSoup.git
Computed https://github.com/scinfu/SwiftSoup.git at 2.13.4 (2.02s)
Creating working copy for https://github.com/scinfu/SwiftSoup.git
Working copy of https://github.com/scinfu/SwiftSoup.git resolved at 2.13.4
Creating working copy for https://github.com/apple/swift-markdown.git
Working copy of https://github.com/apple/swift-markdown.git resolved at main (55d66d9)
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
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.4.6
Creating working copy for https://github.com/swiftlang/swift-cmark.git
Working copy of https://github.com/swiftlang/swift-cmark.git resolved at gfm (924936d)
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/42] Write sources
[6/42] Compiling cmark-gfm-extensions tagfilter.c
[7/42] Compiling cmark-gfm-extensions tasklist.c
[8/42] Compiling cmark-gfm-extensions table.c
[9/42] Compiling cmark-gfm-extensions strikethrough.c
[10/42] Compiling cmark-gfm-extensions ext_scanners.c
[11/42] Compiling cmark-gfm-extensions core-extensions.c
[12/42] Compiling cmark-gfm xml.c
[13/42] Write swift-version-24593BA9C3E375BF.txt
[14/42] Compiling CAtomic CAtomic.c
[15/42] Compiling cmark-gfm-extensions autolink.c
[16/42] Compiling cmark-gfm syntax_extension.c
[17/42] Compiling cmark-gfm references.c
[17/42] Compiling cmark-gfm render.c
[19/42] Compiling cmark-gfm registry.c
[20/42] Compiling cmark-gfm plugin.c
[21/42] Compiling cmark-gfm plaintext.c
[22/47] Compiling cmark-gfm man.c
[23/47] Compiling cmark-gfm map.c
[24/48] Compiling cmark-gfm node.c
[25/48] Compiling cmark-gfm linked_list.c
[26/86] Compiling cmark-gfm latex.c
[27/101] Compiling cmark-gfm iterator.c
[28/101] Compiling cmark-gfm houdini_html_e.c
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[34/101] Compiling cmark-gfm inlines.c
[35/101] Compiling cmark-gfm cmark.c
[36/101] Compiling cmark-gfm buffer.c
[37/101] Compiling cmark-gfm commonmark.c
[38/101] Compiling cmark-gfm arena.c
[39/101] Compiling cmark-gfm blocks.c
[40/101] Compiling cmark-gfm utf8.c
[41/101] Compiling cmark-gfm scanners.c
[43/164] Compiling TypeIntrospection TypeIntrospection.swift
[44/164] Compiling TypeIntrospection Properties.swift
[45/164] Emitting module TypeIntrospection
[46/164] Compiling TypeIntrospection PropertyIntrospection.swift
[47/164] Compiling TypeIntrospection PropertyIntrospection-Access.swift
[49/165] Compiling Markdown BasicBlockContainer.swift
[50/165] Compiling Markdown BasicInlineContainer.swift
[51/165] Compiling Markdown BlockContainer.swift
[52/165] Compiling Markdown BlockMarkup.swift
[53/165] Compiling Markdown InlineContainer.swift
[54/165] Compiling Markdown InlineMarkup.swift
[55/165] Compiling Markdown ListItemContainer.swift
[56/165] Compiling Markdown AtomicCounter.swift
[57/165] Compiling Markdown Link.swift
[58/165] Compiling Markdown Strikethrough.swift
[59/165] Compiling Markdown Strong.swift
[60/165] Compiling Markdown CustomInline.swift
[61/165] Compiling Markdown InlineCode.swift
[62/165] Compiling Markdown InlineHTML.swift
[63/165] Compiling Markdown LineBreak.swift
[64/165] Compiling Markdown SoftBreak.swift
[65/165] Compiling Markdown SymbolLink.swift
[66/173] Emitting module Markdown
[67/173] Compiling Markdown BlockDirectiveParser.swift
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
[68/173] Compiling Markdown CommonMarkConverter.swift
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
[69/173] Compiling Markdown LazySplitLines.swift
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
[70/173] Compiling Markdown ParseOptions.swift
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
[71/173] Compiling Markdown RangeAdjuster.swift
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
[72/173] Compiling Markdown RangerTracker.swift
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
[73/173] Compiling Markdown MarkupRewriter.swift
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:9: error: cannot find 'pthread_mutex_init' in scope
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: cannot find 'pthread_mutex_init' in scope
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:82:36: error: 'nil' requires a contextual type
80 |
81 | init() {
82 | pthread_mutex_init(&mutex, nil)
| `- error: 'nil' requires a contextual type
83 | }
84 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:86:9: error: cannot find 'pthread_mutex_destroy' in scope
84 |
85 | deinit {
86 | pthread_mutex_destroy(&mutex)
| `- error: cannot find 'pthread_mutex_destroy' in scope
87 | }
88 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:90:9: error: cannot find 'pthread_mutex_lock' in scope
88 |
89 | func lock() {
90 | pthread_mutex_lock(&mutex)
| `- error: cannot find 'pthread_mutex_lock' in scope
91 | }
92 |
/host/spi-builder-workspace/.build/checkouts/SwiftSoup/Sources/Mutex.swift:94:9: error: cannot find 'pthread_mutex_unlock' in scope
92 |
93 | func unlock() {
94 | pthread_mutex_unlock(&mutex)
| `- error: cannot find 'pthread_mutex_unlock' in scope
95 | }
96 | #endif
[75/180] Compiling Markdown ChildIndexPath.swift
[76/180] Compiling Markdown DirectiveArgument.swift
[77/180] Compiling Markdown Document.swift
[78/180] Compiling Markdown LiteralMarkup.swift
[79/180] Compiling Markdown Markup.swift
[80/180] Compiling Markdown MarkupChildren.swift
[81/180] Compiling Markdown MarkupData.swift
[82/180] Compiling Markdown PlainTextConvertibleMarkup.swift
[83/180] Compiling Markdown RawMarkup.swift
[84/180] Compiling Markdown BlockDirective.swift
[85/180] Compiling Markdown BlockQuote.swift
[86/180] Compiling Markdown CustomBlock.swift
[87/180] Compiling Markdown DoxygenAbstract.swift
[88/180] Compiling Markdown DoxygenDiscussion.swift
[89/180] Compiling Markdown DoxygenNote.swift
[90/180] Compiling Markdown DoxygenParameter.swift
[91/180] Compiling Markdown DoxygenReturns.swift
[92/180] Compiling Markdown ListItem.swift
[93/180] Compiling Markdown HTMLBlock.swift
[94/180] Compiling Markdown Heading.swift
[95/180] Compiling Markdown ThematicBreak.swift
[96/180] Compiling Markdown Table.swift
[97/180] Compiling Markdown TableBody.swift
[98/180] Compiling Markdown Text.swift
[99/180] Compiling Markdown Aside.swift
[100/180] Compiling Markdown TableCell.swift
[101/180] Compiling Markdown TableCellContainer.swift
[102/180] Compiling Markdown TableHead.swift
[103/180] Compiling Markdown TableRow.swift
[104/180] Compiling Markdown Replacement.swift
[105/180] Compiling Markdown SourceLocation.swift
[106/180] Compiling Markdown Emphasis.swift
[107/180] Compiling Markdown Image.swift
[108/180] Compiling Markdown InlineAttributes.swift
[125/180] Emitting module SwiftSoup
[126/180] Compiling Markdown CharacterExtensions.swift
[127/180] Compiling Markdown CollectionExtensions.swift
[128/180] Compiling Markdown StringExtensions.swift
[129/180] Compiling Markdown MarkupVisitor.swift
[130/180] Compiling Markdown MarkupWalker.swift
[131/180] Compiling Markdown HTMLFormatter.swift
[132/180] Compiling Markdown MarkupFormatter.swift
[133/180] Compiling Markdown MarkupTreeDumper.swift
[143/180] Compiling Markdown OrderedList.swift
[144/180] Compiling Markdown UnorderedList.swift
[145/180] Compiling Markdown Paragraph.swift
[146/180] Compiling Markdown CodeBlock.swift
[153/181] Compiling SwiftSoup TreeBuilder.swift
[154/181] Compiling SwiftSoup UTF8Arrays.swift
[155/181] Compiling SwiftSoup UnicodeScalar.swift
[156/181] Compiling SwiftSoup Validate.swift
[157/181] Compiling SwiftSoup Whitelist.swift
[158/181] Compiling SwiftSoup XmlDeclaration.swift
[159/181] Compiling SwiftSoup XmlTreeBuilder.swift
BUILD FAILURE 6.3 wasm