Swift Package IndexBuild Information
Failed to build swift-cactus, reference main (7b5a0d), with Swift 6.3 for Wasm on 21 Apr 2026 16:21:50 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1Build Log
========================================
RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
========================================
Clone URL: https://github.com/mhayes853/swift-cactus.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/mhayes853/swift-cactus
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 7b5a0dc Merge branch 'engine-v1.14'
Cloned https://github.com/mhayes853/swift-cactus.git
Revision (git rev-parse @):
7b5a0dc693a6c6c3b48dd16b9fe36b97c2d585ac
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/mhayes853/swift-cactus.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.3
Building package at path: $PWD
https://github.com/mhayes853/swift-cactus.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-1":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest swift build --swift-sdk swift-6.3-RELEASE_wasm 2>&1
wasm-6.3-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:d69f4e7582c319245442d62a08b2d7c7fd5a0c0c69f5d2ef11d1530cd8d3329b
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.3-latest
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Working copy of https://github.com/pointfreeco/swift-perception resolved at 2.0.10
Downloading package prebuilt https://download.swift.org/prebuilts/swift-syntax/602.0.0/swift-6.3-RELEASE-ubuntu_jammy_x86_64-MacroSupport.tar.gz
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[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
[3/3] Compiling plugin BridgeJSCommandPlugin
[4/4] Compiling plugin BridgeJS
[5/5] Compiling plugin PackageToJS
Building for debugging...
[5/73] Write sources
[18/73] Compiling _SwiftSyntaxCShims PlatformMutex.c
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[19/73] Write swift-version-24593BA9C3E375BF.txt
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[35/89] Emitting module SwiftSyntax509
error: emit-module command failed with exit code 1 (use -v to see invocation)
[36/89] Emitting module CXXCactusShims
/host/spi-builder-workspace/Sources/CXXCactusShims/Exports.swift:4:21: error: no such module 'CXXCactus'
2 | @_exported import CXXCactusDarwin
3 | #else
4 | @_exported import CXXCactus
| `- error: no such module 'CXXCactus'
5 | #endif
6 |
[37/89] Compiling CXXCactusShims Exports.swift
/host/spi-builder-workspace/Sources/CXXCactusShims/Exports.swift:4:21: error: no such module 'CXXCactus'
2 | @_exported import CXXCactusDarwin
3 | #else
4 | @_exported import CXXCactus
| `- error: no such module 'CXXCactus'
5 | #endif
6 |
[38/89] Compiling SwiftSyntax509 Empty.swift
error: cancelled
[39/89] Emitting module SwiftSyntax601
[40/89] Emitting module IssueReportingPackageSupport
[41/89] Emitting module SwiftSyntax602
[42/89] Emitting module SwiftSyntax600
BUILD FAILURE 6.3 wasm