Build Information
Failed to build SKWebAPI, reference 4.1.3 (b5b303), with Swift 6.4 for Wasm on 17 Sep 2026 01:37:14 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/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>&1Build Log
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/pvzig/SKWebAPI.git
Reference: 4.1.3
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/pvzig/SKWebAPI
* tag 4.1.3 -> FETCH_HEAD
HEAD is now at b5b303c Merge pull request #13 from NoRespect/slackFormatEscaping
Cloned https://github.com/pvzig/SKWebAPI.git
Revision (git rev-parse @):
b5b303c7e5cdecd587499061a81128ef4d7ed3f1
SUCCESS checkout https://github.com/pvzig/SKWebAPI.git at 4.1.3
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Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/pvzig/SKWebAPI.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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
Fetching https://github.com/SlackKit/SKCore
[1/288] Fetching skcore
Fetched https://github.com/SlackKit/SKCore (0.44s)
Computing version for https://github.com/SlackKit/SKCore
Computed https://github.com/SlackKit/SKCore at 4.1.3 (0.63s)
Creating working copy for https://github.com/SlackKit/SKCore
Working copy of https://github.com/SlackKit/SKCore resolved at 4.1.3
Building for debugging...
[Pre-planning 1 / 96]
[10 / 37]
[32 / 47] SKCore
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
[39 / 52] SKWebAPI
/host/spi-builder-workspace/Sources/NetworkInterface.swift:33:27: [1;31merror: [1;39m'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers[0;0m
[0;36m31 |[0;0m
[0;36m32 |[0;0m private let apiUrl = "https://slack.com/api/"
[0;36m33 |[0;0m private let session = [4;39mURLSession[0;0m(configuration: .default)
[0;36m|[0;0m `- [1;31merror: [1;39m'URLSession' (aka 'AnyObject') cannot be constructed because it has no accessible initializers[0;0m
[0;36m34 |[0;0m
[0;36m35 |[0;0m internal init() {}
/host/spi-builder-workspace/Sources/NetworkInterface.swift:133:66: [1;31merror: [1;39m'URLResponse' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m131 |[0;0m }
[0;36m132 |[0;0m
[0;36m133 |[0;0m internal static func handleResponse(_ data: Data?, response: [4;39mURLResponse[0;0m?, publicError: Error?) throws -> [String: Any] {
[0;36m|[0;0m `- [1;31merror: [1;39m'URLResponse' is unavailable: This type has moved to the FoundationNetworking module. Import that module to use it.[0;0m
[0;36m134 |[0;0m guard let data = data, let response = response as? HTTPURLResponse else {
[0;36m135 |[0;0m throw SlackError.clientNetworkError
Foundation.URLResponse:2:18: [1;39mnote: [1;39m'URLResponse' has been explicitly marked unavailable here[0;0m
[0;36m1 |[0;0m @available(*, unavailable, message: "This type has moved to the FoundationNetworking module. Import that module to use it.")
[0;36m2 |[0;0m public typealias URLResponse = AnyObject
[0;36m|[0;0m `- [1;39mnote: [1;39m'URLResponse' has been explicitly marked unavailable here[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/Endpoint.swift /host/spi-builder-workspace/Sources/NetworkInterface.swift /host/spi-builder-workspace/Sources/WebAPI.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 -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/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name SKWebAPI -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/Objects-normal/wasm32/SKWebAPI_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/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/Objects-normal/wasm32/Modules/SKWebAPI.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/Objects-normal/wasm32/Modules/SKWebAPI.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/Objects-normal/wasm32/SKWebAPI-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/Objects-normal/wasm32/SKWebAPI-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/Objects-normal/wasm32/SKWebAPI-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SKWebAPI.build/Debug-webassembly-wasm32/SKWebAPI-t.build/Objects-normal/wasm32/Modules/SKWebAPI.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm