Swift Package Index

Build Information

Failed to build swiftui-simplex-architecture, reference 0.10.0 (88462a), with Swift 6.4 for Wasm on 19 Sep 2026 22:43:20 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>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/Ryu0118/swiftui-simplex-architecture.git
Reference: 0.10.0
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/Ryu0118/swiftui-simplex-architecture
 * tag               0.10.0     -> FETCH_HEAD
HEAD is now at 88462ae Merge pull request #70 from Ryu0118/feature/case-pathable
Cloned https://github.com/Ryu0118/swiftui-simplex-architecture.git
Revision (git rev-parse @):
88462ae91f811c0ad340198bd15b69fa61651d8a
SUCCESS checkout https://github.com/Ryu0118/swiftui-simplex-architecture.git at 0.10.0
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/Ryu0118/swiftui-simplex-architecture.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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/google/swift-benchmark
Fetching https://github.com/pointfreeco/swift-concurrency-extras.git
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Fetching https://github.com/swiftlang/swift-docc-symbolkit
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warning: 'swift-macro-testing': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-case-paths->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'swift-snapshot-testing': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-case-paths->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'swift-dependencies': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-macro-testing->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'swift-case-paths': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-macro-testing->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'swift-macro-testing': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-dependencies->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'swift-snapshot-testing': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-dependencies->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'swift-dependencies': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-case-paths->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
warning: 'swift-case-paths': Conflicting identity for swift-syntax: dependency 'github.com/swiftlang/swift-syntax' and dependency 'github.com/apple/swift-syntax' both point to the same package identity 'swift-syntax'. The dependencies are introduced through the following chains: (A) /host/spi-builder-workspace->github.com/pointfreeco/swift-case-paths->github.com/swiftlang/swift-syntax (B) /host/spi-builder-workspace->github.com/apple/swift-syntax. If there are multiple chains that lead to the same dependency, only the first chain is shown here. To see all chains use debug output option. To resolve the conflict, coordinate with the maintainer of the package that introduces the conflicting dependency. This will be escalated to an error in future versions of SwiftPM.
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 1011]
[Planning deferred tasks]
[185 / 416] ConcurrencyExtras
[190 / 434] ArgumentParserToolInfo
[201 / 434] ConcurrencyExtras
[202 / 434] IssueReporting
[214 / 434] IssueReporting
[215 / 435] SwiftSyntax509
[219 / 436] IssueReporting-product
[220 / 436] _IssueReporting
[222 / 436] ConcurrencyExtras-product
[223 / 436] ConcurrencyExtras-product
[224 / 436] ConcurrencyExtras-product
[236 / 443] Clocks
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Platform.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile Platform.swift
error: SwiftCompile normal wasm32 /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/SwiftUI.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile SwiftUI.swift
/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/CoreFoundation/CoreFoundation.h:28:10: note: while building module 'wasi_emulated_signal' imported from /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/CoreFoundation/CoreFoundation.h:28:
 26 | #include <setjmp.h>
 27 | #endif
 28 | #include <signal.h>
    |          `- note: while building module 'wasi_emulated_signal' imported from /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/CoreFoundation/CoreFoundation.h:28:
 29 | #include <stddef.h>
 30 | #include <stdio.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "signal.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/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/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
  1 | #ifndef _WASI_EMULATED_SIGNAL
  2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
    |  `- error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
  3 | compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
  4 | #else
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "CoreFoundation.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/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/CoreFoundation/CoreFoundation.h:28:10: error: could not build module 'wasi_emulated_signal'
 26 | #include <setjmp.h>
 27 | #endif
 28 | #include <signal.h>
    |          `- error: could not build module 'wasi_emulated_signal'
 29 | #include <stddef.h>
 30 | #include <stdio.h>
/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/CoreFoundation/ForSwiftFoundationOnly.h:86:10: note: while building module 'wasi_emulated_mman' imported from /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/CoreFoundation/ForSwiftFoundationOnly.h:86:
 84 | #undef _WASI_EMULATED_MMAN
 85 | #define _WASI_EMULATED_MMAN
 86 | #include <sys/mman.h>
    |          `- note: while building module 'wasi_emulated_mman' imported from /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/CoreFoundation/ForSwiftFoundationOnly.h:86:
 87 | #elif TARGET_OS_LINUX
 88 | #include <errno.h>
<module-includes>:1:10: note: in file included from <module-includes>:1:
1 | #include "sys/mman.h"
  |          `- note: in file included from <module-includes>:1:
2 |
/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/include/wasm32-wasip1/sys/mman.h:2:2: error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
  1 | #ifndef _WASI_EMULATED_MMAN
  2 | #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
    |  `- error: "WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
  3 | compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
  4 | #else
/host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Lock.swift:48:12: error: could not build C module 'CoreFoundation'
46 |   import Foundation
47 |   #if canImport(CoreFoundation)
48 |     import CoreFoundation
   |            `- error: could not build C module 'CoreFoundation'
49 |   #endif
50 |
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/AnyScheduler.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Concurrency.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/ImmediateScheduler.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Deprecations.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Lock.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/NSRecursiveLock.swift -primary-file /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Internal/Platform.swift -primary-file /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/SwiftUI.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/TestScheduler.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/Timer.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/UIKit.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/UIScheduler.swift /host/spi-builder-workspace/.build/checkouts/combine-schedulers/Sources/CombineSchedulers/UnimplementedScheduler.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Platform.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Platform.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Platform.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Platform.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/SwiftUI.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/SwiftUI.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/SwiftUI.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/SwiftUI.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 -suppress-warnings -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D OpenCombineSchedulers -D Xcode -serialize-debugging-options -enable-upcoming-feature ExistentialAny -enable-upcoming-feature ImmutableWeakCaptures -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature InternalImportsByDefault -enable-upcoming-feature MemberImportVisibility -enable-experimental-feature DebugDescriptionMacro -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -user-module-version 1.2.2 -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/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name CombineSchedulers -package-name combine_schedulers -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/CombineSchedulers_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/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Platform.o -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/SwiftUI.o -index-unit-output-path /combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/Platform.o -index-unit-output-path /combine-schedulers.build/Debug-webassembly-wasm32/CombineSchedulers-t.build/Objects-normal/wasm32/SwiftUI.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 wasm