slash – Build Information – Swift Package Index

Build Information

Failed to build slash, reference master (01e55c), with Swift 6.4 for Wasm on 16 Sep 2026 10:19:20 UTC.

Build Command

bash -c docker run --pull=always --rm -v "checkouts-54344847-2":/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/slash-hq/slash.git
Reference: master
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/slash-hq/slash
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 01e55ce Add support for message reactions.
Cloned https://github.com/slash-hq/slash.git
Revision (git rev-parse @):
01e55ce89b9015c98bae32ba1371ef7a48a3c0f0
SUCCESS checkout https://github.com/slash-hq/slash.git at master
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/slash-hq/slash.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-2":/host -w "$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]
[25 / 28] slash-product
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/main.swift:37:1: [1;31merror: [1;39mcannot find 'signal' in scope[0;0m
[0;36m35 |[0;0m let application = try Application(usingDevice: device, authenticatedBy: token)
[0;36m36 |[0;0m
[0;36m37 |[0;0m [4;39msignal[0;0m(SIGWINCH) { _ in
   [0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'signal' in scope[0;0m
[0;36m38 |[0;0m     application.notifyTerminalSizeHasChanged()
[0;36m39 |[0;0m }
/host/spi-builder-workspace/Sources/main.swift:37:8: [1;31merror: [1;39mcannot find 'SIGWINCH' in scope[0;0m
[0;36m35 |[0;0m let application = try Application(usingDevice: device, authenticatedBy: token)
[0;36m36 |[0;0m
[0;36m37 |[0;0m signal([4;39mSIGWINCH[0;0m) { _ in
   [0;36m|[0;0m        `- [1;31merror: [1;39mcannot find 'SIGWINCH' in scope[0;0m
[0;36m38 |[0;0m     application.notifyTerminalSizeHasChanged()
[0;36m39 |[0;0m }
/host/spi-builder-workspace/Sources/Server.swift:189:9: [1;33mwarning: [1;39m'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'HttpIncomingDataPorcessor' to 'Hashable' by implementing 'hash(into:)' instead[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m187 |[0;0m     }
[0;36m188 |[0;0m
[0;36m189 |[0;0m     var hashValue: Int { return Int(self.socket) }
    [0;36m|[0;0m         `- [1;33mwarning: [1;39m'Hashable.hashValue' is deprecated as a protocol requirement; conform type 'HttpIncomingDataPorcessor' to 'Hashable' by implementing 'hash(into:)' instead[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m190 |[0;0m
[0;36m191 |[0;0m     func process(_ chunk: ArraySlice<UInt8>) throws {
/host/spi-builder-workspace/Sources/Server.swift:399:11: [1;31merror: [1;39mcannot find type 'Process' in scope[0;0m
[0;36m397 |[0;0m }
[0;36m398 |[0;0m
[0;36m399 |[0;0m extension [4;39mProcess[0;0m {
    [0;36m|[0;0m           `- [1;31merror: [1;39mcannot find type 'Process' in scope[0;0m
[0;36m400 |[0;0m
[0;36m401 |[0;0m     static var pid: Int {
/host/spi-builder-workspace/Sources/Server.swift:601:51: [1;31merror: [1;39mcannot find 'kevent' in scope[0;0m
[0;36m599 |[0;0m class KernelQueue {
[0;36m600 |[0;0m
[0;36m601 |[0;0m     private var events = Array<kevent>(repeating: [4;39mkevent[0;0m(), count: 256)
    [0;36m|[0;0m                                                   `- [1;31merror: [1;39mcannot find 'kevent' in scope[0;0m
[0;36m602 |[0;0m     private var changes = Array<kevent>()
[0;36m603 |[0;0m
/host/spi-builder-workspace/Sources/Server.swift:601:32: [1;31merror: [1;39mcannot find type 'kevent' in scope[0;0m
[0;36m599 |[0;0m class KernelQueue {
[0;36m600 |[0;0m
[0;36m601 |[0;0m     private var events = Array<[4;39mkevent[0;0m>(repeating: kevent(), count: 256)
    [0;36m|[0;0m                                `- [1;31merror: [1;39mcannot find type 'kevent' in scope[0;0m
[0;36m602 |[0;0m     private var changes = Array<kevent>()
[0;36m603 |[0;0m
/host/spi-builder-workspace/Sources/Server.swift:602:33: [1;31merror: [1;39mcannot find type 'kevent' in scope[0;0m
[0;36m600 |[0;0m
[0;36m601 |[0;0m     private var events = Array<kevent>(repeating: kevent(), count: 256)
[0;36m602 |[0;0m     private var changes = Array<[4;39mkevent[0;0m>()
    [0;36m|[0;0m                                 `- [1;31merror: [1;39mcannot find type 'kevent' in scope[0;0m
[0;36m603 |[0;0m
[0;36m604 |[0;0m     private let queue: Int32
/host/spi-builder-workspace/Sources/Server.swift:644:76: [1;31merror: [1;39mcannot find type 'kevent' in scope[0;0m
[0;36m642 |[0;0m     }
[0;36m643 |[0;0m
[0;36m644 |[0;0m     private func event(_ ident: UInt, _ filter: Int16, _ flags: UInt16) -> [4;39mkevent[0;0m {
    [0;36m|[0;0m                                                                            `- [1;31merror: [1;39mcannot find type 'kevent' in scope[0;0m
[0;36m645 |[0;0m         return kevent(ident: ident, filter: filter, flags: flags, fflags: 0, data: 0, udata: nil)
[0;36m646 |[0;0m     }
/host/spi-builder-workspace/Sources/TerminalDevice.swift:39:35: [1;31merror: [1;39mcannot find 'termios' in scope[0;0m
 [0;36m37 |[0;0m     }
 [0;36m38 |[0;0m
 [0;36m39 |[0;0m     private var originalTermios = [4;39mtermios[0;0m()
    [0;36m|[0;0m                                   `- [1;31merror: [1;39mcannot find 'termios' in scope[0;0m
 [0;36m40 |[0;0m
 [0;36m41 |[0;0m     init() throws {
/host/spi-builder-workspace/Sources/URLSession.swift:9:1: [1;31merror: [1;39mnon-nominal type 'URLSession' (aka 'AnyObject') cannot be extended[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/nominal-types\NominalTypes]8;;\]
 [0;36m7 |[0;0m import Foundation
 [0;36m8 |[0;0m
 [0;36m9 |[0;0m extension [4;39mURLSession[0;0m {
   [0;36m|[0;0m `- [1;31merror: [1;39mnon-nominal type 'URLSession' (aka 'AnyObject') cannot be extended[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/nominal-types\NominalTypes]8;;\]
[0;36m10 |[0;0m
[0;36m11 |[0;0m     /// Synchonized version of dataTask(with URLRequest)
/host/spi-builder-workspace/Sources/WebSocketClient.swift:37:25: [1;31merror: [1;39mcannot find type 'TLSSocket' in scope[0;0m
 [0;36m35 |[0;0m
 [0;36m36 |[0;0m     private let mask: [UInt8]
 [0;36m37 |[0;0m     private let socket: [4;39mTLSSocket[0;0m
    [0;36m|[0;0m                         `- [1;31merror: [1;39mcannot find type 'TLSSocket' in scope[0;0m
 [0;36m38 |[0;0m
 [0;36m39 |[0;0m     private var inputBuffer = [UInt8]()
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[#NominalTypes]: <https://docs.swift.org/compiler/documentation/diagnostics/nominal-types>
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Application.swift /host/spi-builder-workspace/Sources/ChannelsListView.swift /host/spi-builder-workspace/Sources/CrashReporter.swift /host/spi-builder-workspace/Sources/MessagesListView.swift /host/spi-builder-workspace/Sources/R.swift /host/spi-builder-workspace/Sources/Server.swift /host/spi-builder-workspace/Sources/SlackAdapter.swift /host/spi-builder-workspace/Sources/SlackChannel.swift /host/spi-builder-workspace/Sources/SlackContext.swift /host/spi-builder-workspace/Sources/SlackEmojiDecoder.swift /host/spi-builder-workspace/Sources/SlackEvent.swift /host/spi-builder-workspace/Sources/SlackGroup.swift /host/spi-builder-workspace/Sources/SlackIM.swift /host/spi-builder-workspace/Sources/SlackMessage.swift /host/spi-builder-workspace/Sources/SlackMessageReaction.swift /host/spi-builder-workspace/Sources/SlackOAuth2.swift /host/spi-builder-workspace/Sources/SlackRealTimeClient.swift /host/spi-builder-workspace/Sources/SlackTeam.swift /host/spi-builder-workspace/Sources/SlackUser.swift /host/spi-builder-workspace/Sources/SlackWebClient.swift /host/spi-builder-workspace/Sources/Socket.swift /host/spi-builder-workspace/Sources/TLSSocket.swift /host/spi-builder-workspace/Sources/TerminalCanvas.swift /host/spi-builder-workspace/Sources/TerminalDevice.swift /host/spi-builder-workspace/Sources/TextLayout.swift /host/spi-builder-workspace/Sources/URLSession.swift /host/spi-builder-workspace/Sources/UserInputView.swift /host/spi-builder-workspace/Sources/Utils.swift /host/spi-builder-workspace/Sources/WebSocketClient.swift /host/spi-builder-workspace/Sources/main.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 4.2 -Onone -D SWIFT_PACKAGE -D DEBUG -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/slash.build/Debug-webassembly-wasm32/slash-p.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/slash.build/Debug-webassembly-wasm32/slash-p.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/slash.build/Debug-webassembly-wasm32/slash-p.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name slash -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/slash.build/Debug-webassembly-wasm32/slash-p.build/Objects-normal/wasm32/slash_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/slash.build/Debug-webassembly-wasm32/slash-p.build/Objects-normal/wasm32/Modules/slash.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/slash.build/Debug-webassembly-wasm32/slash-p.build/Objects-normal/wasm32/Modules/slash.swiftsourceinfo -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/slash.build/Debug-webassembly-wasm32/slash-p.build/Objects-normal/wasm32/slash-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/slash.build/Debug-webassembly-wasm32/slash-p.build/Objects-normal/wasm32/slash-primary-emit-module.d -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/slash.build/Debug-webassembly-wasm32/slash-p.build/Objects-normal/wasm32/Modules/slash.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm