Build Information
Failed to build PreviewUtilities, reference v0.5.0 (2cd16c), with Swift 6.4 for Wasm on 19 Oct 2026 06:05:21 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/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: 5.1.3
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/lopsae/preview-utilities.git
Reference: v0.5.0
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/lopsae/preview-utilities
* tag v0.5.0 -> FETCH_HEAD
HEAD is now at 2cd16c2 Release 0.5.0 - Rename to DebugGeometry (#23)
Cloned https://github.com/lopsae/preview-utilities.git
Revision (git rev-parse @):
2cd16c2513a8e36bbfae7ed637da50ec582e1f7b
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/lopsae/preview-utilities.git at v0.5.0
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/lopsae/preview-utilities.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886768-0":/host -w "$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: sha256:7a2e5502d3bb6640f9b2bbb1dadf9967024364ce9ed0ed0bd80cf1b699d193fd
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:wasm-6.4-latest
Fetching https://github.com/lopsae/geometry-additions
Fetching https://github.com/swiftlang/swift-docc-plugin
Fetching https://github.com/pointfreeco/swift-snapshot-testing
[1/199] Fetching geometry-additions
[200/2544] Fetching geometry-additions, swift-docc-plugin
Fetched https://github.com/lopsae/geometry-additions (0.55s)
[1/16553] Fetching swift-snapshot-testing
Fetched https://github.com/swiftlang/swift-docc-plugin (2.18s)
Fetched https://github.com/pointfreeco/swift-snapshot-testing (2.21s)
Computing version for https://github.com/lopsae/geometry-additions
Computed https://github.com/lopsae/geometry-additions at 0.6.1 (2.36s)
Computing version for https://github.com/pointfreeco/swift-snapshot-testing
Computed https://github.com/pointfreeco/swift-snapshot-testing at 1.19.6 (0.15s)
Fetching https://github.com/pointfreeco/swift-custom-dump
Fetching https://github.com/swiftlang/swift-syntax
[1/5669] Fetching swift-custom-dump
[5670/86519] Fetching swift-custom-dump, swift-syntax
Fetched https://github.com/pointfreeco/swift-custom-dump (3.46s)
Fetched https://github.com/swiftlang/swift-syntax (3.48s)
Computing version for https://github.com/swiftlang/swift-docc-plugin
Computed https://github.com/swiftlang/swift-docc-plugin at 1.5.0 (4.38s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3843] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit (0.56s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (0.77s)
Computing version for https://github.com/pointfreeco/swift-custom-dump
Computed https://github.com/pointfreeco/swift-custom-dump at 1.7.3 (0.15s)
Fetching https://github.com/pointfreeco/swift-issue-reporting
[1/6180] Fetching swift-issue-reporting
Fetched https://github.com/pointfreeco/swift-issue-reporting (0.70s)
Computing version for https://github.com/pointfreeco/swift-issue-reporting
Computed https://github.com/pointfreeco/swift-issue-reporting at 2.1.2 (1.61s)
Computing version for https://github.com/swiftlang/swift-syntax
Computed https://github.com/swiftlang/swift-syntax at 604.0.0 (0.26s)
Creating working copy for https://github.com/swiftlang/swift-syntax
Working copy of https://github.com/swiftlang/swift-syntax resolved at 604.0.0
Creating working copy for https://github.com/lopsae/geometry-additions
Working copy of https://github.com/lopsae/geometry-additions resolved at 0.6.1
Creating working copy for https://github.com/swiftlang/swift-docc-symbolkit
Working copy of https://github.com/swiftlang/swift-docc-symbolkit resolved at 1.0.0
Creating working copy for https://github.com/pointfreeco/swift-issue-reporting
Working copy of https://github.com/pointfreeco/swift-issue-reporting resolved at 2.1.2
Creating working copy for https://github.com/pointfreeco/swift-snapshot-testing
Working copy of https://github.com/pointfreeco/swift-snapshot-testing resolved at 1.19.6
Creating working copy for https://github.com/pointfreeco/swift-custom-dump
Working copy of https://github.com/pointfreeco/swift-custom-dump resolved at 1.7.3
Creating working copy for https://github.com/swiftlang/swift-docc-plugin
Working copy of https://github.com/swiftlang/swift-docc-plugin resolved at 1.5.0
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/604.0.0/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz
Downloaded https://download.swift.org/prebuilts/swift-syntax/604.0.0/swift-6.4.0-RELEASE-ubuntu_noble_x86_64-MacroSupport.tar.gz (0.18s)
Building for debugging...
[Pre-planning 1 / 125]
[Constructing 26 / 253]
warning: no rule to process file '/host/spi-builder-workspace/sources/assets.xcassets' of type 'folder.assetcatalog' for architecture 'wasm32'
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/.build/checkouts/geometry-additions/sources/CGPoint+Additions.swift:7:15: [1;31merror: [1;39mcould not build C module 'CoreFoundation'[0;0m
[0;36m5 |[0;0m
[0;36m6 |[0;0m
[0;36m7 |[0;0m public import CoreFoundation
[0;36m|[0;0m `- [1;31merror: [1;39mcould not build C module 'CoreFoundation'[0;0m
[0;36m8 |[0;0m
[0;36m9 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/.build/checkouts/geometry-additions/sources/CGPoint+Additions.swift /host/spi-builder-workspace/.build/checkouts/geometry-additions/sources/CGRect+Additions.swift /host/spi-builder-workspace/.build/checkouts/geometry-additions/sources/CGSize+Additions.swift /host/spi-builder-workspace/.build/checkouts/geometry-additions/sources/EdgeInsets+Additions.swift /host/spi-builder-workspace/.build/checkouts/geometry-additions/sources/UIEdgeInsets+Additions.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 -suppress-warnings -swift-version 6 -Onone -D SWIFT_PACKAGE -D DEBUG -D SWIFT_MODULE_RESOURCE_BUNDLE_UNAVAILABLE -D Xcode -serialize-debugging-options -enable-upcoming-feature NonisolatedNonsendingByDefault -enable-upcoming-feature InferIsolatedConformances -enable-upcoming-feature InternalImportsByDefault -enable-experimental-feature DebugDescriptionMacro -default-isolation nonisolated -empty-abi-descriptor -external-plugin-path /usr/lib/swift/host/plugins/testing\#/usr/bin/swift-plugin-server -user-module-version 0.6.1 -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/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name GeometryAdditions -package-name geometry_additions -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/Objects-normal/wasm32/GeometryAdditions_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/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/Objects-normal/wasm32/Modules/GeometryAdditions.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/Objects-normal/wasm32/Modules/GeometryAdditions.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.no[35 / 50] GeometryAdditions
index/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/Objects-normal/wasm32/GeometryAdditions-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/Objects-normal/wasm32/GeometryAdditions-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/Objects-normal/wasm32/GeometryAdditions-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/GeometryAdditions.build/Debug-webassembly-wasm32/GeometryAdditions-t.build/Objects-normal/wasm32/Modules/GeometryAdditions.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm