csv-dialect-swift – Build Information

Build Information

Failed to build csv-dialect-swift, reference main (89c6c1), with Swift 6.4 for Wasm on 20 Sep 2026 10:49:22 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/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/chrispomeroyhale/csv-dialect-swift.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/chrispomeroyhale/csv-dialect-swift
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 89c6c11 GH-7: Optionally specify import data encoding.
Cloned https://github.com/chrispomeroyhale/csv-dialect-swift.git
Revision (git rev-parse @):
89c6c1195da0aa86f201b4dc3bf5011cd7dd6adc
SUCCESS checkout https://github.com/chrispomeroyhale/csv-dialect-swift.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/chrispomeroyhale/csv-dialect-swift.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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
Building for debugging...
[Planning deferred tasks]
[27 / 35] DialectalCSV
[32 / 35] DialectalCSV
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/InputHandler.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile InputHandler.swift
/host/spi-builder-workspace/Sources/InputHandler.swift:157:37: [1;31merror: [1;39m'seek(toOffset:)' is unavailable in Swift[0;0m
[0;36m155 |[0;0m         if #available(iOS 13, macOS 10.15, *) {
[0;36m156 |[0;0m             do {
[0;36m157 |[0;0m                 try self.fileHandle.[4;39mseek[0;0m(toOffset: startOffset)
    [0;36m|[0;0m                                     `- [1;31merror: [1;39m'seek(toOffset:)' is unavailable in Swift[0;0m
[0;36m158 |[0;0m             } catch {
[0;36m159 |[0;0m                 return false
Foundation.FileHandle.seek:3:15: [1;39mnote: [1;39m'seek(toOffset:)' was introduced in Swift 5.0[0;0m
[0;36m1 |[0;0m class FileHandle {
[0;36m2 |[0;0m @available(swift 5.0)
[0;36m3 |[0;0m   public func seek(toOffset offset: UInt64) throws}
  [0;36m|[0;0m               `- [1;39mnote: [1;39m'seek(toOffset:)' was introduced in Swift 5.0[0;0m
[0;36m4 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/Aliases.swift /host/spi-builder-workspace/Sources/Dialect.swift /host/spi-builder-workspace/Sources/Document.swift /host/spi-builder-workspace/Sources/ExportParser.swift /host/spi-builder-workspace/Sources/ImportParser.swift -primary-file /host/spi-builder-workspace/Sources/InputHandler.swift /host/spi-builder-workspace/Sources/InputIterator.swift /host/spi-builder-workspace/Sources/OutputHandler.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/Objects-normal/wasm32/InputHandler.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/Objects-normal/wasm32/InputHandler.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/Objects-normal/wasm32/InputHandler.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/Objects-normal/wasm32/InputHandler.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 4.2 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -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 -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/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name DialectalCSV -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/Objects-normal/wasm32/DialectalCSV_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/csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/Objects-normal/wasm32/InputHandler.o -index-unit-output-path /csv-dialect-swift.build/Debug-webassembly-wasm32/DialectalCSV-t.build/Objects-normal/wasm32/InputHandler.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm