Wacro – Build Information – Swift Package Index

Build Information

Failed to build Wacro, reference main (6416cd), with Swift 6.4 for Linux on 20 Sep 2026 13:12:07 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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 5.1.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/kabiroberai/Wacro.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/kabiroberai/Wacro
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 6416cd7 portability
Cloned https://github.com/kabiroberai/Wacro.git
Revision (git rev-parse @):
6416cd7d3904bce08215ffc044c0d1be9f666df3
SUCCESS checkout https://github.com/kabiroberai/Wacro.git at main
========================================
Build
========================================
Selected platform:         linux
Swift version:             6.4
Building package at path:  $PWD
https://github.com/kabiroberai/Wacro.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344845-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/kabiroberai/WasmKit.git
[1/3137] Fetching wasmkit
Fetched https://github.com/kabiroberai/WasmKit.git (0.53s)
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/apple/swift-system
[1/18918] Fetching swift-argument-parser
[758/25816] Fetching swift-argument-parser, swift-system
Fetched https://github.com/apple/swift-system (0.62s)
Fetched https://github.com/apple/swift-argument-parser (0.73s)
Computing version for https://github.com/apple/swift-system
Computed https://github.com/apple/swift-system at 1.1.1 (0.90s)
Computing version for https://github.com/apple/swift-argument-parser
Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.17s)
Creating working copy for https://github.com/kabiroberai/WasmKit.git
Working copy of https://github.com/kabiroberai/WasmKit.git resolved at slim (cdf87a7)
Creating working copy for https://github.com/apple/swift-argument-parser
Working copy of https://github.com/apple/swift-argument-parser resolved at 1.8.2
Creating working copy for https://github.com/apple/swift-system
Working copy of https://github.com/apple/swift-system resolved at 1.1.1
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 302]
[Starting]
[70 / 124] SystemPackage
[71 / 124] WacroPluginRaw
[82 / 124] SystemPackage
[83 / 124] SystemExtras
[89 / 134] SystemExtras
[93 / 134] SystemExtras
[99 / 135] SystemExtras
[113 / 145] WasmKit
[114 / 146] WasmKit
[115 / 146] SystemExtras
[126 / 156] WASI
[133 / 156] WASI
[136 / 156] WacroPluginHost
error: SwiftCompile normal x86_64 /host/spi-builder-workspace/Sources/WacroPluginHost/WacroPluginHost.swift failed with a nonzero exit code. Command line:     cd /host
    builtin-SwiftPerFileCompile WacroPluginHost.swift
[142 / 163] WacroPluginHost
/host/spi-builder-workspace/Sources/WacroPluginHost/WasmKitMacroRunner.swift:5:8: [1;31merror: [1;39mno such module 'System'[0;0m
 [0;36m3 |[0;0m import WasmKit
 [0;36m4 |[0;0m import WASI
 [0;36m5 |[0;0m import System
   [0;36m|[0;0m        `- [1;31merror: [1;39mno such module 'System'[0;0m
 [0;36m6 |[0;0m import Foundation
 [0;36m7 |[0;0m
Failed frontend command:
/usr/bin/swift-frontend -frontend -c /host/spi-builder-workspace/Sources/WacroPluginHost/PluginHostConnection.swift -primary-file /host/spi-builder-workspace/Sources/WacroPluginHost/WacroPluginHost.swift /host/spi-builder-workspace/Sources/WacroPluginHost/WasmKitMacroRunner.swift /host/spi-builder-workspace/Sources/WacroPluginHost/WebMacroRunner.swift -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/Objects-normal/x86_64/WacroPluginHost.d -emit-const-values-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/Objects-normal/x86_64/WacroPluginHost.swiftconstvalues -emit-reference-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/Objects-normal/x86_64/WacroPluginHost.swiftdeps -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/Objects-normal/x86_64/WacroPluginHost.dia -target x86_64-unknown-linux-gnu -disable-objc-interop -I /host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64 -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 -enable-anonymous-context-mangled-names -file-compilation-dir /host -Xcc -fmodule-map-file\=/host/spi-builder-workspace/.build/checkouts/swift-system/Sources/CSystem/include/module.modulemap -Xcc -fno-omit-frame-pointer -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/checkouts/swift-system/Sources/CSystem/include -Xcc -I/host/spi-builder-workspace/.build/out/Products/Debug-linux-x86_64/include -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/DerivedSources-normal/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/DerivedSources/x86_64 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name WacroPluginHost -package-name spi_builder_workspace -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/Objects-normal/x86_64/WacroPluginHost_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/Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/Objects-normal/x86_64/WacroPluginHost.o -index-unit-output-path /Wacro.build/Debug-linux-x86_64/WacroPluginHost-t.build/Objects-normal/x86_64/WacroPluginHost.o -index-store-path /host/spi-builder-workspace/.build/out -index-system-modules
error: Build failed
BUILD FAILURE 6.4 linux