SwiftIO – Build Information – Swift Package Index

Build Information

Failed to build SwiftIO, reference 0.1.0 (92d5cc), with Swift 6.4 for Wasm on 21 Sep 2026 13:45:40 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/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/madmachineio/SwiftIO.git
Reference: 0.1.0
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/madmachineio/SwiftIO
 * tag               0.1.0      -> FETCH_HEAD
HEAD is now at 92d5ccc Update action logic
Cloned https://github.com/madmachineio/SwiftIO.git
Revision (git rev-parse @):
92d5cccfdc19cef8e0e7dbb01237d5457d5b209f
SUCCESS checkout https://github.com/madmachineio/SwiftIO.git at 0.1.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/madmachineio/SwiftIO.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-1":/host -w "$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
Building for debugging...
[Pre-planning 1 / 125]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/SwiftIO/Errno.swift:460:63: [1;31merror: [1;39mcannot find 'EPFNOSUPPORT' in scope[0;0m
[0;36m458 |[0;0m   /// The corresponding C error is `EPFNOSUPPORT`.
[0;36m459 |[0;0m   @_alwaysEmitIntoClient
[0;36m460 |[0;0m   public static var protocolFamilyNotSupported: Errno { Errno([4;39mEPFNOSUPPORT[0;0m) }
    [0;36m|[0;0m                                                               `- [1;31merror: [1;39mcannot find 'EPFNOSUPPORT' in scope[0;0m
[0;36m461 |[0;0m
[0;36m462 |[0;0m   /// The address family isn't supported by the protocol family.
/host/spi-builder-workspace/Sources/SwiftIO/Errno.swift:608:47: [1;31merror: [1;39mcannot find 'EHOSTDOWN' in scope[0;0m
[0;36m606 |[0;0m   /// The corresponding C error is `EHOSTDOWN`.
[0;36m607 |[0;0m   @_alwaysEmitIntoClient
[0;36m608 |[0;0m   public static var hostIsDown: Errno { Errno([4;39mEHOSTDOWN[0;0m) }
    [0;36m|[0;0m                                               `- [1;31merror: [1;39mcannot find 'EHOSTDOWN' in scope[0;0m
[0;36m609 |[0;0m
[0;36m610 |[0;0m   /// No route to host.
/host/spi-builder-workspace/Sources/SwiftIO/Errno.swift:709:43: [1;31merror: [1;39mcannot find 'ENODATA' in scope[0;0m
[0;36m707 |[0;0m   /// The corresponding C error is `ENODATA`.
[0;36m708 |[0;0m   @_alwaysEmitIntoClient
[0;36m709 |[0;0m   public static var noData: Errno { Errno([4;39mENODATA[0;0m) }
    [0;36m|[0;0m                                           `- [1;31merror: [1;39mcannot find 'ENODATA' in scope[0;0m
[0;36m710 |[0;0m
[0;36m711 |[0;0m   /// Reserved.
/host/spi-builder-workspace/Sources/SwiftIO/Errno.swift:725:54: [1;31merror: [1;39mcannot find 'ENOSR' in scope[0;0m
[0;36m723 |[0;0m   /// The corresponding C error is `ENOSR`.
[0;36m724 |[0;0m   @_alwaysEmitIntoClient
[0;36m725 |[0;0m   public static var noStreamResources: Errno { Errno([4;39mENOSR[0;0m) }
    [0;36m|[0;0m                                                      `- [1;31merror: [1;39mcannot find 'ENOSR' in scope[0;0m
[0;36m726 |[0;0m
[0;36m727 |[0;0m   /// Reserved.
/host/spi-builder-workspace/Sources/SwiftIO/Errno.swift:733:46: [1;31merror: [1;39mcannot find 'ENOSTR' in scope[0;0m
[0;36m731 |[0;0m   /// The corresponding C error is `ENOSTR`.
[0;36m732 |[0;0m   @_alwaysEmitIntoClient
[0;36m733 |[0;0m   public static var notStream: Errno { Errno([4;39mENOSTR[0;0m) }
    [0;36m|[0;0m                                              `- [1;31merror: [1;39mcannot find 'ENOSTR' in scope[0;0m
[0;36m734 |[0;0m
[0;36m735 |[0;0m   /// Protocol error.
/host/spi-builder-workspace/Sources/SwiftIO/Errno.swift:751:44: [1;31merror: [1;39mcannot find 'ETIME' in scope[0;0m
[0;36m749 |[0;0m   /// The corresponding C error is `ETIME`.
[0;36m750 |[0;0m   @_alwaysEmitIntoClient
[0;36m751 |[0;0m   public static var timeout: Errno { Errno([4;39mETIME[0;0m) }
    [0;36m|[0;0m                                            `- [1;31merror: [1;39mcannot find 'ETIME' in scope[0;0m
[0;36m752 |[0;0m
[0;36m753 |[0;0m   /// Operation not supported on socket.
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/SwiftIO/AnalogIn.swift /host/spi-builder-workspace/Sources/SwiftIO/BoardId.swift /host/spi-builder-workspace/Sources/SwiftIO/Counter.swift /host/spi-builder-workspace/Sources/SwiftIO/DigitalIn.swift /host/spi-builder-workspace/Sources/SwiftIO/DigitalInOut.swift /host/spi-builder-workspace/Sources/SwiftIO/DigitalOut.swift /host/spi-builder-workspace/Sources/SwiftIO/Errno.swift /host/spi-builder-workspace/Sources/SwiftIO/Ethernet.swift /host/spi-builder-workspace/Sources/SwiftIO/FileDescriptor.swift /host/spi-builder-workspace/Sources/SwiftIO/I2C.swift /host/spi-builder-workspace/Sources/SwiftIO/I2S.swift /host/spi-builder-workspace/Sources/SwiftIO/KernelTiming.swift /host/spi-builder-workspace/Sources/SwiftIO/PWMOut.swift /host/spi-builder-workspace/Sources/SwiftIO/SPI.swift /host/spi-builder-workspace/Sources/SwiftIO/Thread.swift /host/spi-builder-workspace/Sources/SwiftIO/Timer.swift /host/spi-builder-workspace/Sources/SwiftIO/UART.swift /host/spi-builder-workspace/Sources/SwiftIO/Utils.swift -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 5 -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 -fmodule-map-file\=/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeneratedModuleMaps-webassembly-wasm32/CSwiftIO.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/Sources/CSwiftIO/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SwiftIO -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/Objects-normal/wasm32/SwiftIO_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 -emit-module-doc-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/Objects-normal/wasm32/Modules/SwiftIO.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/Objects-normal/wasm32/Modules/SwiftIO.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/Objects-normal/wasm32/SwiftIO-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/Objects-normal/wasm32/SwiftIO-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/Objects-normal/wasm32/SwiftIO-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftIO.build/Debug-webassembly-wasm32/SwiftIO-t.build/Objects-normal/wasm32/Modules/SwiftIO.swiftmodule
[34 / 42] SwiftIO
error: Build failed
BUILD FAILURE 6.4 wasm