DL4S – Build Information – Swift Package Index

Build Information

Failed to build DL4S, reference 0.4.1 (1f90f8), with Swift 6.4 for Wasm on 19 Sep 2026 12:38:03 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/palle-k/DL4S.git
Reference: 0.4.1
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/palle-k/DL4S
 * tag               0.4.1      -> FETCH_HEAD
HEAD is now at 1f90f87 docs update
Cloned https://github.com/palle-k/DL4S.git
Revision (git rev-parse @):
1f90f8790bc23c2cfcd4c94f27cf6ef011d78cba
SUCCESS checkout https://github.com/palle-k/DL4S.git at 0.4.1
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/palle-k/DL4S.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886769-0":/host -w "$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]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line:     cd /host

/host/spi-builder-workspace/Sources/DL4S/Engine/CPU/Numeric/CPUFloat.swift:31:10: [1;33mwarning: [1;39mCompiling DL4S without any accelerator library[0;0m
 [0;36m29 |[0;0m import Accelerate
 [0;36m30 |[0;0m #else
 [0;36m31 |[0;0m #warning([4;39m"Compiling DL4S without any accelerator library"[0;0m)
    [0;36m|[0;0m          `- [1;33mwarning: [1;39mCompiling DL4S without any accelerator library[0;0m
 [0;36m32 |[0;0m #warning("DL4S can be accelerated with Intel MKL, IPP and TBB. See README.md")
 [0;36m33 |[0;0m #endif
/host/spi-builder-workspace/Sources/DL4S/Engine/CPU/Numeric/CPUFloat.swift:32:10: [1;33mwarning: [1;39mDL4S can be accelerated with Intel MKL, IPP and TBB. See README.md[0;0m
 [0;36m30 |[0;0m #else
 [0;36m31 |[0;0m #warning("Compiling DL4S without any accelerator library")
 [0;36m32 |[0;0m #warning([4;39m"DL4S can be accelerated with Intel MKL, IPP and TBB. See README.md"[0;0m)
    [0;36m|[0;0m          `- [1;33mwarning: [1;39mDL4S can be accelerated with Intel MKL, IPP and TBB. See README.md[0;0m
 [0;36m33 |[0;0m #endif
 [0;36m34 |[0;0m #if os(Linux)
/host/spi-builder-workspace/Sources/DL4S/NN/Layer/Sequential.swift:91:2: [1;33mwarning: [1;39m'@_functionBuilder' has been renamed to '@resultBuilder'[0;0m
 [0;36m89 |[0;0m
 [0;36m90 |[0;0m /// A layer builder can be used to create sequences of layers
 [0;36m91 |[0;0m @_functionBuilder
    [0;36m|[0;0m  `- [1;33mwarning: [1;39m'@_functionBuilder' has been renamed to '@resultBuilder'[0;0m
 [0;36m92 |[0;0m public enum LayerBuilder {}
 [0;36m93 |[0;0m
/host/spi-builder-workspace/Sources/DL4S/Assertions.swift:29:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'FileHandle' to imported protocol 'TextOutputStream'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
[0;36m27 |[0;0m
[0;36m28 |[0;0m
[0;36m29 |[0;0m extension FileHandle: TextOutputStream {
   [0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'FileHandle' to imported protocol 'TextOutputStream'; this will not behave correctly if the owners of 'Foundation' introduce this conformance in the future[0;0m
   [0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
[0;36m30 |[0;0m     public func write(_ string: String) {
[0;36m31 |[0;0m         self.write(string.data(using: .utf8)!)
/host/spi-builder-workspace/Sources/DL4S/Engine/CPU/CPU.swift:44:31: [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
 [0;36m42 |[0;0m     }
 [0;36m43 |[0;0m     private static var allocations: [UnsafeMutableRawBufferPointer: [String]] = [:]
 [0;36m44 |[0;0m     private static let sema = [4;39mDispatchSemaphore[0;0m(value: 1)
    [0;36m|[0;0m                               `- [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
 [0;36m45 |[0;0m
 [0;36m46 |[0;0m     @inline(__always)
/host/spi-builder-workspace/Sources/DL4S/Memory Management/Allocator.swift:28:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'UnsafeMutableRawBufferPointer' to imported protocols 'Hashable', 'Equatable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
 [0;36m26 |[0;0m import Foundation
 [0;36m27 |[0;0m
 [0;36m28 |[0;0m extension UnsafeMutableRawBufferPointer: Hashable {
    [0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'UnsafeMutableRawBufferPointer' to imported protocols 'Hashable', 'Equatable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
    [0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
 [0;36m29 |[0;0m     public static func == (lhs: UnsafeMutableRawBufferPointer, rhs: UnsafeMutableRawBufferPointer) -> Bool {
 [0;36m30 |[0;0m         return lhs.baseAddress == rhs.baseAddress && lhs.count == rhs.count
/host/spi-builder-workspace/Sources/DL4S/Memory Management/Allocator.swift:91:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'UnsafeMutableBufferPointer' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
 [0;36m89 |[0;0m }
 [0;36m90 |[0;0m
 [0;36m91 |[0;0m extension UnsafeMutableBufferPointer: Equatable {
    [0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'UnsafeMutableBufferPointer' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
    [0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
 [0;36m92 |[0;0m     public static func == (lhs: UnsafeMutableBufferPointer<Element>, rhs: UnsafeMutableBufferPointer<Element>) -> Bool {
 [0;36m93 |[0;0m         return lhs.baseAddress == rhs.baseAddress && lhs.count == rhs.count
/host/spi-builder-workspace/Sources/DL4S/Numerics/Int32.swift:29:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'Int32' to imported protocol 'ExpressibleByFloatLiteral'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
 [0;36m27 |[0;0m
 [0;36m28 |[0;0m
 [0;36m29 |[0;0m extension Int32: NumericType {
    [0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'Int32' to imported protocol 'ExpressibleByFloatLiteral'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
    [0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
 [0;36m30 |[0;0m     public func format(maxDecimals: Int) -> String {
 [0;36m31 |[0;0m         return "\(self)"
/host/spi-builder-workspace/Sources/DL4S/Util.swift:93:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'Slice' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
 [0;36m91 |[0;0m }
 [0;36m92 |[0;0m
 [0;36m93 |[0;0m extension Slice: Equatable where Element: Hashable {
    [0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'Slice' to imported protocol 'Equatable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
    [0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
 [0;36m94 |[0;0m     public static func == (lhs: Slice<Base>, rhs: Slice<Base>) -> Bool {
 [0;36m95 |[0;0m         return lhs.count == rhs.count && !zip(lhs, rhs).map(==).contains(false)
/host/spi-builder-workspace/Sources/DL4S/Util.swift:99:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'Slice' to imported protocol 'Hashable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
 [0;36m97 |[0;0m }
 [0;36m98 |[0;0m
 [0;36m99 |[0;0m extension Slice: Hashable where Element: Hashable {
    [0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'Slice' to imported protocol 'Hashable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
    [0;36m|[0;0m `- [1;39mnote: [1;39madd '@retroactive' to silence this warning[0;0m
[0;36m100 |[0;0m     public func hash(into hasher: inout Hasher) {
[0;36m101 |[0;0m         for element in self {
/host/spi-builder-workspace/Sources/DL4S/Util.swift:122:11: [1;31merror: [1;39mcannot find type 'DispatchSemaphore' in scope[0;0m
[0;36m120 |[0;0m
[0;36m121 |[0;0m
[0;36m122 |[0;0m extension [4;39mDispatchSemaphore[0;0m {
    [0;36m|[0;0m           `- [1;31merror: [1;39mcannot find type 'DispatchSemaphore' in scope[0;0m
[0;36m123 |[0;0m     func execute<Result>(_ block: () throws -> Result) rethrows -> Result {
[0;36m124 |[0;0m         self.wait()
/host/spi-builder-workspace/Sources/DL4S/Util.swift:133:24: [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m131 |[0;0m
[0;36m132 |[0;0m public class Queue<Element> {
[0;36m133 |[0;0m     private let sema = [4;39mDispatchSemaphore[0;0m(value: 0)
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m134 |[0;0m     private let maxLenSema: DispatchSemaphore?
[0;36m135 |[0;0m     private let lock = DispatchSemaphore(value: 1)
/host/spi-builder-workspace/Sources/DL4S/Util.swift:134:29: [1;31merror: [1;39mcannot find type 'DispatchSemaphore' in scope[0;0m
[0;36m132 |[0;0m public class Queue<Element> {
[0;36m133 |[0;0m     private let sema = DispatchSemaphore(value: 0)
[0;36m134 |[0;0m     private let maxLenSema: [4;39mDispatchSemaphore[0;0m?
    [0;36m|[0;0m                             `- [1;31merror: [1;39mcannot find type 'DispatchSemaphore' in scope[0;0m
[0;36m135 |[0;0m     private let lock = DispatchSemaphore(value: 1)
[0;36m136 |[0;0m
/host/spi-builder-workspace/Sources/DL4S/Util.swift:135:24: [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m133 |[0;0m     private let sema = DispatchSemaphore(value: 0)
[0;36m134 |[0;0m     private let maxLenSema: DispatchSemaphore?
[0;36m135 |[0;0m     private let lock = [4;39mDispatchSemaphore[0;0m(value: 1)
    [0;36m|[0;0m                        `- [1;31merror: [1;39mcannot find 'DispatchSemaphore' in scope[0;0m
[0;36m136 |[0;0m
[0;36m137 |[0;0m     public private(set) var isStopped: Bool = false
/host/spi-builder-workspace/Sources/DL4S/Util.swift:251:37: [1;33mwarning: [1;39mgeneric parameter 'Element' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m248 |[0;0m
[0;36m249 |[0;0m
[0;36m250 |[0;0m public struct Progress<Element>: Sequence {
    [0;36m|[0;0m                        `- [1;39mnote: [1;39m'Element' previously declared here[0;0m
[0;36m251 |[0;0m     private struct ProgressIterator<Element>: IteratorProtocol {
    [0;36m|[0;0m                                     `- [1;33mwarning: [1;39mgeneric parameter 'Element' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode[0;0m
[0;36m252 |[0;0m         var baseIterator: AnyIterator<Element>
[0;36m253 |[0;0m         let totalUnitCount: Int
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/DL4S/Assertions.swift /host/spi-builder-workspace/Sources/DL4S/Engine/Buffer.swift /host/spi-builder-workspace/Sources/DL4S/Engine/CPU/CPU.swift /host/spi-builder-workspace/Sources/DL4S/Engine/CPU/CPUEngine.swift /host/spi-builder-workspace/Sources/DL4S/Engine/CPU/Numeric/CPUDouble.swift /host/spi-builder-workspace/Sources/DL4S/Engine/CPU/Numeric/CPUFloat.swift /host/spi-builder-workspace/Sources/DL4S/Engine/CPU/Numeric/CPUGeneric.swift /host/spi-builder-workspace/Sources/DL4S/Engine/CPU/Numeric/CPUInt32.swift /host/spi-builder-workspace/Sources/DL4S/Engine/CPU/Numeric/CPUNumeric.swift /host/spi-builder-workspace/Sources/DL4S/Engine/Engine.swift /host/spi-builder-workspace/Sources/DL4S/Engine/GPU/GPU.swift /host/spi-builder-workspace/Sources/DL4S/Memory\ Management/Allocator.swift /host/spi-builder-workspace/Sources/DL4S/Memory\ Management/MemoryOps.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Activation.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/BasicRNN.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/BatchNorm.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/BidirectionalRNN.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Convolution.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Dense.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Dropout.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Embedding.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/GRU.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/LSTM.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Layer.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/LayerNorm.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Pooling.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/RNN.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Residual.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/Sequential.swift /host/spi-builder-workspace/Sources/DL4S/NN/Layer/ShapeLayer.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/AlexNet.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/ResNet.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/MultiHeadAttention.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/PointwiseFeedForward.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/PositionalEncoding.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/ScaledDotProductAttention.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/Transformer.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/TransformerDecoder.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/TransformerDecoderBlock.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/TransformerEncoder.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/TransformerEncoderBlock.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/Transformer/TransformerUtil.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/VGG/VGG.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/VGG/VGG11.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/VGG/VGG13.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/VGG/VGG16.swift /host/spi-builder-workspace/Sources/DL4S/NN/Models/VGG/VGG19.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/Adadelta.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/Adagrad.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/Adam.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/LearningRate.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/Momentum.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/Optim.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/RMSProp.swift /host/spi-builder-workspace/Sources/DL4S/NN/Optimizer/SGD.swift /host/spi-builder-workspace/Sources/DL4S/Numerics/Double.swift /host/spi-builder-workspace/Sources/DL4S/Numerics/Float.swift /host/spi-builder-workspace/Sources/DL4S/Numerics/Int32.swift /host/spi-builder-workspace/Sources/DL4S/Numerics/NumericType.swift /host/spi-builder-workspace/Sources/DL4S/Random.swift /host/spi-builder-workspace/Sources/DL4S/SummaryWriter.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Context.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Graph.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Binary.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Conv.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Loss.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Matrix.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Reduce.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Scatter.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Shape.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Stack.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Subscript.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/Unary.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Operators/UtilOps.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/Tensor.swift /host/spi-builder-workspace/Sources/DL4S/Tensor/TensorExt.swift /host/spi-builder-workspace/Sources/DL4S/Util.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/Sources/MKL/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/Sources/MKL/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-webassembly-wasm32/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name DL4S -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/Objects-normal/wasm32/DL4S_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/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/Objects-normal/wasm32/Modules/DL4S.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/Objects-normal/wasm32/Modules/DL4S.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/Objects-normal/wasm32/DL4S-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/Objects-normal/wasm32/DL4S-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/Objects-normal/wasm32/DL4S-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/DL4S.build/Debug-webassembly-wasm32/DL4S-t.build/Objects-normal/wasm32/Modules/DL4S.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm