Build Information
Failed to build FutureResult, reference main (04e845), with Swift 6.4 for Wasm on 20 Sep 2026 11:51:50 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/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
========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/tapsandswipes/FutureResult.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/tapsandswipes/FutureResult
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 04e8452 Update dependency
Cloned https://github.com/tapsandswipes/FutureResult.git
Revision (git rev-parse @):
04e8452df265ee7b0c89707d1b2e12a91d212b1a
SUCCESS checkout https://github.com/tapsandswipes/FutureResult.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/tapsandswipes/FutureResult.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344847-0":/host -w "$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/tapsandswipes/Chainable.git
[1/51] Fetching chainable
Fetched https://github.com/tapsandswipes/Chainable.git (0.44s)
Computing version for https://github.com/tapsandswipes/Chainable.git
Computed https://github.com/tapsandswipes/Chainable.git at 1.0.0 (0.63s)
Creating working copy for https://github.com/tapsandswipes/Chainable.git
Working copy of https://github.com/tapsandswipes/Chainable.git resolved at 1.0.0
Building for debugging...
[Pre-planning 1 / 212]
[40 / 71] FunctionComposition
[58 / 79] ResultExtras
/host/spi-builder-workspace/Sources/ResultExtras/Result+Chainable.swift:4:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'Result' to imported protocol 'Chainable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
[0;36m2 |[0;0m import Chainable
[0;36m3 |[0;0m
[0;36m4 |[0;0m extension Result: Chainable {}
[0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'Result' to imported protocol 'Chainable'; 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;36m5 |[0;0m
[0;36m6 |[0;0m public
[59 / 79] ResultExtras
/host/spi-builder-workspace/Sources/ResultExtras/Result+Chainable.swift:4:1: [1;33mwarning: [1;39mextension declares a conformance of imported type 'Result' to imported protocol 'Chainable'; this will not behave correctly if the owners of 'Swift' introduce this conformance in the future[0;0m
[0;36m2 |[0;0m import Chainable
[0;36m3 |[0;0m
[0;36m4 |[0;0m extension Result: Chainable {}
[0;36m|[0;0m |- [1;33mwarning: [1;39mextension declares a conformance of imported type 'Result' to imported protocol 'Chainable'; 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;36m5 |[0;0m
[0;36m6 |[0;0m public
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/FutureResult/Atomic.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile Atomic.swift
[73 / 92] ResultExtras
/host/spi-builder-workspace/Sources/FutureResult/Atomic.swift:4:25: [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m2 |[0;0m
[0;36m3 |[0;0m final class Atomic<A> {
[0;36m4 |[0;0m private let queue = [4;39mDispatchQueue[0;0m(label: "Atomic serial queue")
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchQueue' in scope[0;0m
[0;36m5 |[0;0m private var _value: A
[0;36m6 |[0;0m init(_ value: A) {
/host/spi-builder-workspace/Sources/FutureResult/FutureResult+Async.swift:9:65: [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<R, E>) -> ()' to type '(Result<R, E>) -> Void' risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m7 |[0;0m extension FutureResult {
[0;36m8 |[0;0m func run() async throws -> R {
[0;36m9 |[0;0m try await withCheckedThrowingContinuation { self.run($0.resume) }
[0;36m|[0;0m |- [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<R, E>) -> ()' to type '(Result<R, E>) -> Void' risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39mconverting a function typed value with a sending parameter to one without risks allowing actor-isolated values to escape their isolation domain as an argument to an invocation of value[0;0m
[0;36m10 |[0;0m }
[0;36m11 |[0;0m }
/host/spi-builder-workspace/Sources/FutureResult/FutureResult+Async.swift:17:69: [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<(), E>) -> ()' to type '(Result<(), E>) -> Void' risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m15 |[0;0m extension FutureResult where R == Void {
[0;36m16 |[0;0m func run() async throws {
[0;36m17 |[0;0m _ = try await withCheckedThrowingContinuation { self.run($0.resume(with:)) }
[0;36m|[0;0m |- [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<(), E>) -> ()' to type '(Result<(), E>) -> Void' risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39mconverting a function typed value with a sending parameter to one without risks allowing actor-isolated values to escape their isolation domain as an argument to an invocation of value[0;0m
[0;36m18 |[0;0m }
[0;36m19 |[0;0m }
/host/spi-builder-workspace/Sources/FutureResult/FutureResult+Async.swift:25:53: [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<R, Never>) -> ()' to type '(Result<R, Never>) -> Void' risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m23 |[0;0m extension FutureResult where E == Never {
[0;36m24 |[0;0m func run() async -> R {
[0;36m25 |[0;0m await withCheckedContinuation { self.run($0.resume) }
[0;36m|[0;0m |- [1;33mwarning: [1;39mconverting a value of type '(__shared sending Result<R, Never>) -> ()' to type '(Result<R, Never>) -> Void' risks causing data races; this is an error in the Swift 6 language mode[0;0m
[0;36m|[0;0m `- [1;39mnote: [1;39mconverting a function typed value with a sending parameter to one without risks allowing actor-isolated values to escape their isolation domain as an argument to an invocation of value[0;0m
[0;36m26 |[0;0m }
[0;36m27 |[0;0m }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c -primary-file /host/spi-builder-workspace/Sources/FutureResult/Atomic.swift -primary-file /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Async.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Chainable.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Composition.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Debug.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Functor.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Initializers.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Monoid.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Scheduling.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Transforms.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Utils.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/Atomic.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/Atomic.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/Atomic.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/Atomic.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Async.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Async.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Async.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Async.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 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 -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/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name FutureResult -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult_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/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/Atomic.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Async.o -index-unit-output-path /FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/Atomic.o -index-unit-output-path /FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Async.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Composition.swift failed with a nonzero exit code. Command line: cd /host
builtin-SwiftPerFileCompile FutureResult+Composition.swift
/host/spi-builder-workspace/Sources/FutureResult/FutureResult+Composition.swift:14:29: [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m12 |[0;0m FutureResult<[Result<U, UE>], E> { cb in
[0;36m13 |[0;0m let results: Atomic<[Result<U, UE>]> = Atomic([])
[0;36m14 |[0;0m let group = [4;39mDispatchGroup[0;0m()
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m15 |[0;0m r.forEach {
[0;36m16 |[0;0m group.enter()
/host/spi-builder-workspace/Sources/FutureResult/FutureResult+Composition.swift:48:21: [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m46 |[0;0m var f2r: Result<B, E>!
[0;36m47 |[0;0m
[0;36m48 |[0;0m let group = [4;39mDispatchGroup[0;0m()
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m49 |[0;0m
[0;36m50 |[0;0m group.enter(); f1.run { f1r = $0; group.leave() }
/host/spi-builder-workspace/Sources/FutureResult/FutureResult+Composition.swift:70:21: [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m68 |[0;0m var f3r: Result<C, E>!
[0;36m69 |[0;0m
[0;36m70 |[0;0m let group = [4;39mDispatchGroup[0;0m()
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m71 |[0;0m
[0;36m72 |[0;0m group.enter(); f1.run { f1r = $0; group.leave() }
/host/spi-builder-workspace/Sources/FutureResult/FutureResult+Composition.swift:95:21: [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m93 |[0;0m var f4r: Result<D, E>!
[0;36m94 |[0;0m
[0;36m95 |[0;0m let group = [4;39mDispatchGroup[0;0m()
[0;36m|[0;0m `- [1;31merror: [1;39mcannot find 'DispatchGroup' in scope[0;0m
[0;36m96 |[0;0m
[0;36m97 |[0;0m group.enter(); f1.run { f1r = $0; group.leave() }
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/FutureResult/Atomic.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Async.swift -primary-file /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Chainable.swift -primary-file /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Composition.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Debug.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Functor.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Initializers.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Monoid.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Scheduling.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Transforms.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult+Utils.swift /host/spi-builder-workspace/Sources/FutureResult/FutureResult.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Chainable.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Chainable.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Chainable.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Chainable.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Composition.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Composition.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Composition.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Composition.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 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 -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/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name FutureResult -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult_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/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Chainable.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Composition.o -index-unit-output-path /FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Chainable.o -index-unit-output-path /FutureResult.build/Debug-webassembly-wasm32/FutureResult-t.build/Objects-normal/wasm32/FutureResult+Composition.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm