Swiftdansi – Build Information – Swift Package Index

Build Information

Failed to build Swiftdansi, reference main (44daf7), with Swift 6.4 for Wasm on 28 Sep 2026 07:01:10 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/steipete/Swiftdansi.git
Reference: main
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/steipete/Swiftdansi
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 44daf7a chore: open 0.3.2 unreleased
Cloned https://github.com/steipete/Swiftdansi.git
Revision (git rev-parse @):
44daf7a25bc1996a635afb037b1b8139443a034a
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/steipete/Swiftdansi.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/steipete/Swiftdansi.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest swift build --swift-sdk swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:4328fdb43c680d205c1d6761b1e3267aa38277eefdda9ddfb17b6a0f1a77857a
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/apple/swift-markdown
Fetching https://github.com/ainame/swift-displaywidth
[1/266] Fetching swift-displaywidth
[267/8015] Fetching swift-displaywidth, swift-markdown
[6079/26963] Fetching swift-displaywidth, swift-markdown, swift-argument-parser
Fetched https://github.com/ainame/swift-displaywidth (0.67s)
[15329/26697] Fetching swift-markdown, swift-argument-parser
Fetched https://github.com/apple/swift-markdown (0.67s)
[7959/18948] Fetching swift-argument-parser
Fetched https://github.com/apple/swift-argument-parser (0.82s)
Computing version for https://github.com/ainame/swift-displaywidth
Computed https://github.com/ainame/swift-displaywidth at 0.2.0 (0.97s)
Computing version for https://github.com/apple/swift-markdown
Computed https://github.com/apple/swift-markdown at 0.9.0 (1.08s)
Fetching https://github.com/swiftlang/swift-cmark.git
[1/18602] Fetching swift-cmark
Fetched https://github.com/swiftlang/swift-cmark.git (1.06s)
Computing version for https://github.com/swiftlang/swift-cmark.git
Computed https://github.com/swiftlang/swift-cmark.git at 0.9.0 (2.15s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.19s)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/apple/swift-markdown
Working copy of https://github.com/apple/swift-markdown resolved at 0.9.0
Creating working copy for https://github.com/ainame/swift-displaywidth
Working copy of https://github.com/ainame/swift-displaywidth resolved at 0.2.0
Creating working copy for https://github.com/swiftlang/swift-cmark.git
Working copy of https://github.com/swiftlang/swift-cmark.git resolved at 0.9.0
Building for debugging...
[Computing dependencies]
[Constructing description]
[Pre-planning 1 / 364]
[Planning deferred tasks]
[22 / 138] SwiftdansiCLI
[66 / 138] cmark-gfm-extensions
[78 / 138] cmark-gfm
[87 / 138] cmark-gfm
[95 / 148] Markdown
[97 / 157] Markdown
[98 / 157] Markdown
[106 / 157] Markdown
[106 / 157] DisplayWidth
[110 / 157] Markdown-product
[111 / 157] Markdown-product
[113 / 157] DisplayWidth
[113 / 157]
[117 / 160] DisplayWidth
[119 / 160] ArgumentParserToolInfo
[125 / 161] Markdown
[129 / 170] ArgumentParser
[130 / 171] ArgumentParserToolInfo
[139 / 171] ArgumentParser
[140 / 171] ArgumentParser-product
[141 / 171] ArgumentParser-product
[142 / 171] ArgumentParser-product
[143 / 172] ArgumentParser
[145 / 172] ArgumentParser
[148 / 173] DisplayWidth
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/Swiftdansi/Options.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Options.swift
[162 / 183] Swiftdansi
/host/spi-builder-workspace/Sources/Swiftdansi/Options.swift:97:24: [1;31merror: [1;39mcannot find 'winsize' in scope[0;0m
 [0;36m95 |[0;0m
 [0;36m96 |[0;0m func detectedTerminalWidth(fileDescriptor: Int32 = STDOUT_FILENO) -> Int? {
 [0;36m97 |[0;0m     var terminalSize = [4;39mwinsize[0;0m()
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find 'winsize' in scope[0;0m
 [0;36m98 |[0;0m     #if canImport(Darwin)
 [0;36m99 |[0;0m     let result = ioctl(fileDescriptor, TIOCGWINSZ, &terminalSize)
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/DerivedSources/resource_bundle_accessor.swift /host/spi-builder-workspace/Sources/Swiftdansi/ANSI.swift -primary-file /host/spi-builder-workspace/Sources/Swiftdansi/Hyperlink.swift -primary-file /host/spi-builder-workspace/Sources/Swiftdansi/Options.swift /host/spi-builder-workspace/Sources/Swiftdansi/Parser.swift /host/spi-builder-workspace/Sources/Swiftdansi/RenderOptions.swift /host/spi-builder-workspace/Sources/Swiftdansi/Renderer.swift /host/spi-builder-workspace/Sources/Swiftdansi/Styler.swift /host/spi-builder-workspace/Sources/Swiftdansi/Theme.swift /host/spi-builder-workspace/Sources/Swiftdansi/Wrap.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Hyperlink.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Hyperlink.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Hyperlink.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Hyperlink.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Options.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Options.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Options.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Options.dia -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/WASI.sdk -I /host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32 -module-cache-path /host/spi-builder-workspace/.build/out/ModuleCache.noindex -color-diagnostics -Xcc -fcolor-diagnostics -enable-testing -g -debug-info-format\=dwarf -dwarf-version\=4 -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_AVAILABLE -D Xcode -serialize-debugging-options -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -validate-clang-modules-once -clang-build-session-file /host/spi-builder-workspace/.build/out/ModuleCache.noindex/Session.modulevalidation -Xcc -working-directory -Xcc /host -resource-dir /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static -use-static-resource-dir -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -resource-dir -Xcc /root/.swiftpm/swift-sdks/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm.artifactbundle/swift-6.4.x-DEVELOPMENT-SNAPSHOT-2026-09-04-a_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/clang -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/swift-cmark/src/include/module.modulemap -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/swift-cmark/extensions/include/module.modulemap -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/swift-markdown/Sources/CAtomic/include/module.modulemap -Xcc -D_LIBCPP_HARDENING_MODE\=_LIBCPP_HARDENING_MODE_DEBUG -Xcc -fmodules-prune-interval\=86400 -Xcc -fmodules-prune-after\=345600 -Xcc -I/host/spi-builder-workspace/.build/checkouts/swift-cmark/src/include -Xcc -I/host/spi-builder-workspace/.build/checkouts/swift-cmark/extensions/include -Xcc -I/host/spi-builder-workspace/.build/checkouts/swift-markdown/Sources/CAtomic/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Swiftdansi -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Swiftdansi_const_extract_protocols.json -in-process-plugin-server-path /usr/lib/swift/host/libSwiftInProcPluginServer.so -plugin-path /usr/lib/swift/host/plugins -plugin-path /usr/local/lib/swift/host/plugins -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Hyperlink.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Options.o -index-unit-output-path /Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Hyperlink.o -index-unit-output-path /Swiftdansi.build/Debug-webassembly-wasm32/Swiftdansi-t.build/Objects-normal/wasm32/Options.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm