Build Information
Failed to build SwiftXMLCoder, reference main (666369), with Swift 6.1 for Wasm on 16 Apr 2026 22:49:09 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.70.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/MFranceschi6/swift-xml-coder.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/MFranceschi6/swift-xml-coder
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 666369c 🐛 fix(fuzz): fix bash 3.2 unbound-array error and stale-cache linking failures
Cloned https://github.com/MFranceschi6/swift-xml-coder.git
Revision (git rev-parse @):
666369ce56816599eb686d69d865d9b841ce1f24
SUCCESS checkout https://github.com/MFranceschi6/swift-xml-coder.git at main
========================================
Build
========================================
Selected platform: wasm
Swift version: 6.1
Building package at path: $PWD
https://github.com/MFranceschi6/swift-xml-coder.git
https://github.com/MFranceschi6/swift-xml-coder.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
Fetching https://github.com/swiftlang/swift-syntax.git
Fetching https://github.com/apple/swift-docc-plugin
Fetching https://github.com/apple/swift-log.git
[1/2277] Fetching swift-docc-plugin
[252/8888] Fetching swift-docc-plugin, swift-log
Fetched https://github.com/apple/swift-log.git from cache (0.64s)
Fetched https://github.com/apple/swift-docc-plugin from cache (0.64s)
[1/74985] Fetching swift-syntax
Fetched https://github.com/swiftlang/swift-syntax.git from cache (6.10s)
Computing version for https://github.com/swiftlang/swift-syntax.git
Computed https://github.com/swiftlang/swift-syntax.git at 600.0.1 (10.60s)
Computing version for https://github.com/apple/swift-docc-plugin
Computed https://github.com/apple/swift-docc-plugin at 1.4.6 (1.12s)
Fetching https://github.com/swiftlang/swift-docc-symbolkit
[1/3672] Fetching swift-docc-symbolkit
Fetched https://github.com/swiftlang/swift-docc-symbolkit from cache (0.94s)
Computing version for https://github.com/swiftlang/swift-docc-symbolkit
Computed https://github.com/swiftlang/swift-docc-symbolkit at 1.0.0 (2.23s)
Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.12.0 (1.16s)
Creating working copy for https://github.com/swiftlang/swift-syntax.git
Working copy of https://github.com/swiftlang/swift-syntax.git resolved at 600.0.1
Creating working copy for https://github.com/apple/swift-log.git
Working copy of https://github.com/apple/swift-log.git resolved at 1.12.0
Creating working copy for https://github.com/apple/swift-docc-plugin
Working copy of https://github.com/apple/swift-docc-plugin resolved at 1.4.6
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
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/50] Write sources
[29/50] Compiling _SwiftSyntaxCShims dummy.c
In file included from /host/spi-builder-workspace/Sources/SwiftXMLCoderCShim/SwiftXMLCoderCShim.c:1:
In file included from /host/spi-builder-workspace/Sources/SwiftXMLCoderCShim/include/SwiftXMLCoderCShim.h:4:
In file included from /usr/include/libxml2/libxml/parser.h:812:
/usr/include/libxml2/libxml/encoding.h:31:10: fatal error: 'unicode/ucnv.h' file not found
31 | #include <unicode/ucnv.h>
| ^~~~~~~~~~~~~~~~
1 error generated.
[30/50] Compiling SwiftXMLCoderCShim SwiftXMLCoderCShim.c
[30/50] Write swift-version-24593BA9C3E375BF.txt
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-2":/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-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:276d66a16377d3ee059b2e3429cbc1154d9f01e42871e5d702fd5d8b9044d93d
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.1-latest
[0/1] Planning build
[1/1] Compiling plugin Swift-DocC Preview
[2/2] Compiling plugin Swift-DocC
Building for debugging...
[2/22] Compiling SwiftXMLCoderCShim SwiftXMLCoderCShim.c
In file included from /host/spi-builder-workspace/Sources/SwiftXMLCoderCShim/SwiftXMLCoderCShim.c:1:
In file included from /host/spi-builder-workspace/Sources/SwiftXMLCoderCShim/include/SwiftXMLCoderCShim.h:4:
In file included from /usr/include/libxml2/libxml/parser.h:812:
/usr/include/libxml2/libxml/encoding.h:31:10: fatal error: 'unicode/ucnv.h' file not found
31 | #include <unicode/ucnv.h>
| ^~~~~~~~~~~~~~~~
1 error generated.
[3/22] Write swift-version-24593BA9C3E375BF.txt
BUILD FAILURE 6.1 wasm