Swift Package IndexBuild Information
Failed to build JustifiableFlowLayout, reference main (12d7ab), with Swift 6.4 for Wasm on 19 Sep 2026 09:30:06 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/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
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RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/lorin-vr/JustifiableFlowLayout.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/lorin-vr/JustifiableFlowLayout
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 12d7ab7 Update to use the SwiftUI #Preview macro
Cloned https://github.com/lorin-vr/JustifiableFlowLayout.git
Revision (git rev-parse @):
12d7ab74ce841d0f9f303ebcff5e125379adca26
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/lorin-vr/JustifiableFlowLayout.git at main
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Build
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Selected platform: wasm
Swift version: 6.4
Building package at path: $PWD
https://github.com/lorin-vr/JustifiableFlowLayout.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344844-0":/host -w "$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
Building for debugging...
[Planning deferred tasks]
error: SwiftCompile normal wasm32 failed with a nonzero exit code. Command line: cd /host
[20 / 28] JustifiableFlowLayout
/host/spi-builder-workspace/Sources/JustifiableFlowLayout/JustifiableFlowLayout.swift:1:8: [1;31merror: [1;39mno such module 'SwiftUI'[0;0m
[0;36m1 |[0;0m import SwiftUI
[0;36m|[0;0m `- [1;31merror: [1;39mno such module 'SwiftUI'[0;0m
[0;36m2 |[0;0m
[0;36m3 |[0;0m /// A Layout that lays out its subviews left to right and top to bottom, in sequential order. It can use exact spacing, or justify by the width of the widest subview.
Failed frontend command:
/usr/bin/swift-frontend -frontend -emit-module -experimental-skip-non-inlinable-function-bodies-without-types /host/spi-builder-workspace/Sources/JustifiableFlowLayout/JustifiableFlowLayout.swift -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/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/DerivedSources-normal/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/DerivedSources/wasm32 -Xcc -I/host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/DerivedSources -Xcc -DSWIFT_PACKAGE -Xcc -DDEBUG\=1 -no-auto-bridging-header-chaining -module-name JustifiableFlowLayout -const-gather-protocols-file /host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/Objects-normal/wasm32/JustifiableFlowLayout_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/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/Objects-normal/wasm32/Modules/JustifiableFlowLayout.swiftdoc -emit-module-source-info-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/Objects-normal/wasm32/Modules/JustifiableFlowLayout.swiftsourceinfo -emit-objc-header-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/Objects-normal/wasm32/JustifiableFlowLayout-Swift.h -serialize-diagnostics-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/Objects-normal/wasm32/JustifiableFlowLayout-primary-emit-module.dia -emit-dependencies-path /host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/Objects-normal/wasm32/JustifiableFlowLayout-primary-emit-module.d -parse-as-library -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/JustifiableFlowLayout.build/Debug-webassembly-wasm32/JustifiableFlowLayout-t.build/Objects-normal/wasm32/Modules/JustifiableFlowLayout.swiftmodule
error: Build failed
BUILD FAILURE 6.4 wasm