Build Information
Failed to build Hammer, reference 2.2.0 (93e602), with Swift 6.4 for Wasm on 29 Oct 2026 06:16:08 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-6.4.0-RELEASE_wasm 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lyft/hammer.git
Reference: 2.2.0
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/lyft/hammer
* tag 2.2.0 -> FETCH_HEAD
HEAD is now at 93e602c Report agent errors as JSON with a code (#90)
Cloned https://github.com/lyft/hammer.git
Revision (git rev-parse @):
93e602cb35e3b5a87d1631b0650e29a7f59b7de6
SUCCESS checkout https://github.com/lyft/hammer.git at 2.2.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/lyft/hammer.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$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-6.4.0-RELEASE_wasm 2>&1
wasm-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:0ad19d16955074ecc72bbe910025b19c4e4614184c1a48afc82660d4c7620121
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Building for debugging...
[Pre-planning 1 / 182]
[43 / 77] Hammer
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: [1;39mnote: [1;39mwhile building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:[0;0m
[0;36m26 |[0;0m #include <setjmp.h>
[0;36m27 |[0;0m #endif
[0;36m28 |[0;0m #include <signal.h>
[0;36m|[0;0m `- [1;39mnote: [1;39mwhile building module 'wasi_emulated_signal' imported from /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:[0;0m
[0;36m29 |[0;0m #include <stddef.h>
[0;36m30 |[0;0m #include <stdio.h>
<module-includes>:1:10: [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m1 |[0;0m #include "signal.h"
[0;36m|[0;0m `- [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m2 |[0;0m
/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: [1;31merror: [1;39m"wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"[0;0m
[0;36m1 |[0;0m #ifndef _WASI_EMULATED_SIGNAL
[0;36m2 |[0;0m #error "wasm lacks signal support; to enable minimal signal emulation, \
[0;36m|[0;0m `- [1;31merror: [1;39m"wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"[0;0m
[0;36m3 |[0;0m compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
[0;36m4 |[0;0m #else
<module-includes>:1:10: [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m1 |[0;0m #include "CoreFoundation.h"
[0;36m|[0;0m `- [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m2 |[0;0m
/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/CoreFoundation.h:28:10: [1;31merror: [1;39mcould not build module 'wasi_emulated_signal'[0;0m
[0;36m26 |[0;0m #include <setjmp.h>
[0;36m27 |[0;0m #endif
[0;36m28 |[0;0m #include <signal.h>
[0;36m|[0;0m `- [1;31merror: [1;39mcould not build module 'wasi_emulated_signal'[0;0m
[0;36m29 |[0;0m #include <stddef.h>
[0;36m30 |[0;0m #include <stdio.h>
/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:10: [1;39mnote: [1;39mwhile building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:[0;0m
[0;36m84 |[0;0m #undef _WASI_EMULATED_MMAN
[0;36m85 |[0;0m #define _WASI_EMULATED_MMAN
[0;36m86 |[0;0m #include <sys/mman.h>
[0;36m|[0;0m `- [1;39mnote: [1;39mwhile building module 'wasi_emulated_mman' imported from /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/swift.xctoolchain/usr/lib/swift_static/CoreFoundation/ForSwiftFoundationOnly.h:86:[0;0m
[0;36m87 |[0;0m #elif TARGET_OS_LINUX
[0;36m88 |[0;0m #include <errno.h>
<module-includes>:1:10: [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m1 |[0;0m #include "sys/mman.h"
[0;36m|[0;0m `- [1;39mnote: [1;39min file included from <module-includes>:1:[0;0m
[0;36m2 |[0;0m
/root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/sys/mman.h:2:2: [1;31merror: [1;39m"WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"[0;0m
[0;36m1 |[0;0m #ifndef _WASI_EMULATED_MMAN
[0;36m2 |[0;0m #error "WASI lacks a true mmap; to enable minimal mmap emulation, \
[0;36m|[0;0m `- [1;31merror: [1;39m"WASI lacks a true mmap; to enable minimal mmap emulation, compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"[0;0m
[0;36m3 |[0;0m compile with -D_WASI_EMULATED_MMAN and link with -lwasi-emulated-mman"
[0;36m4 |[0;0m #else
/host/spi-builder-workspace/Sources/Hammer/AppleInternal/AppleInternal+BackBoardServices.swift:1:8: [1;31merror: [1;39mcould not build C module 'CoreFoundation'[0;0m
[0;36m1 |[0;0m import CoreFoundation
[0;36m|[0;0m `- [1;31merror: [1;39mcould not build C module 'CoreFoundation'[0;0m
[0;36m2 |[0;0m import Darwin
[0;36m3 |[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/Hammer/AppleInternal/AppleInternal+BackBoardServices.swift /host/spi-builder-workspace/Sources/Hammer/AppleInternal/AppleInternal+IOHID.swift /host/spi-builder-workspace/Sources/Hammer/AppleInternal/AppleInternal+UIKit.swift /host/spi-builder-workspace/Sources/Hammer/Compatibility/EventGenerator+Hand+Synchronous.swift /host/spi-builder-workspace/Sources/Hammer/Compatibility/EventGenerator+Keyboard+Synchronous.swift /host/spi-builder-workspace/Sources/Hammer/Compatibility/EventGenerator+Stylus+Synchronous.swift /host/spi-builder-workspace/Sources/Hammer/Compatibility/EventGenerator+Synchronous.swift /host/spi-builder-workspace/Sources/Hammer/Compatibility/EventGenerator+Waiting+Synchronous.swift /host/spi-builder-workspace/Sources/Hammer/DebugWindow/DebugVisualizerWindow.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/AccessibilityQuery.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/ElementSnapshot.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Hand/EventGenerator+Hand.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Hand/FingerIndex.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Hand/HandInfo.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Hand/SwipeDirection.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Keyboard/EventGenerator+Keyboard.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Keyboard/KeyboardKey.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Marker.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Readiness.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Settings.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Stylus/EventGenerator+Stylus.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+Stylus/StylusInfo.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator+SwiftUI.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/EventGenerator.swift /host/spi-builder-workspace/Sources/Hammer/EventGenerator/HammerLocatable.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/AccessibilityElements.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/CoreGraphic+Extensions.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/Deadline.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/FrameTracker.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/HammerError.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/HammerWindow.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/MainRunLoop.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/Subviews.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/SwiftErrorHooks.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/TouchStorage.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/UIKit+Extensions.swift /host/spi-builder-workspace/Sources/Hammer/Utilities/Waiting.swift -target wasm32-unknown-wasip1 -disable-objc-interop -sdk /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk -sysroot /root/.swiftpm/swift-sdks/swift-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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 6 -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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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-6.4.0-RELEASE_wasm.artifactbundle/swift-6.4.0-RELEASE_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/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name Hammer -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/Objects-normal/wasm32/Hammer_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/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/Objects-normal/wasm32/Modules/Hammer.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/Objects-normal/wasm32/Modules/Hammer.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/Objects-normal/wasm32/Hammer-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/Objects-normal/wasm32/Hammer-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/Objects-normal/wasm32/Hammer-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/Hammer.build/Debug-webassembly-wasm32/Hammer-t.build/Objects-normal/wasm32/Modules/Hammer.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm