Swift Package IndexBuild Information
Failed to build swift-kafka-client, reference main (a83e84), with Swift 6.2 for Wasm on 28 Apr 2026 19:47:31 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/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-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1Build Log
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RunAll
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Builder version: 4.70.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/swift-server/swift-kafka-client.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/swift-server/swift-kafka-client
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at a83e841 Add commit-all stored offsets API (#230)
Submodule path 'Sources/Crdkafka/librdkafka': checked out 'b4c608570f796c18ff2211a7af876046d264d392'
Submodule 'Sources/Crdkafka/librdkafka' (https://github.com/confluentinc/librdkafka) registered for path 'Sources/Crdkafka/librdkafka'
Cloning into '/host/spi-builder-workspace/Sources/Crdkafka/librdkafka'...
Cloned https://github.com/swift-server/swift-kafka-client.git
Revision (git rev-parse @):
a83e84155425806c180a60b61a04b98c6cca4929
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/swift-server/swift-kafka-client.git at main
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Build
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Selected platform: wasm
Swift version: 6.2
Building package at path: $PWD
https://github.com/swift-server/swift-kafka-client.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-2":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest swift build --swift-sdk swift-6.2-RELEASE_wasm 2>&1
wasm-6.2-latest: Pulling from swiftpackageindex/spi-images
Digest: sha256:2a8b2d9e022a9894c61e0736af7cdaa1ee64c002dbb133a55c0d7e8980b3ad16
Status: Image is up to date for registry.gitlab.com/swiftpackageindex/spi-images:wasm-6.2-latest
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Computing version for https://github.com/facebook/zstd.git
Computed https://github.com/facebook/zstd.git at 1.5.7 (18.69s)
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Computed https://github.com/apple/swift-metrics at 2.10.1 (0.38s)
Computing version for https://github.com/swift-server/swift-service-lifecycle.git
Computed https://github.com/swift-server/swift-service-lifecycle.git at 2.11.0 (0.46s)
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Computed https://github.com/apple/swift-log.git at 1.12.0 (0.42s)
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Computed https://github.com/apple/swift-nio.git at 2.99.0 (1.19s)
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Computing version for https://github.com/apple/swift-atomics.git
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Computed https://github.com/apple/swift-system.git at 1.6.4 (0.56s)
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.4.1
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Working copy of https://github.com/apple/swift-nio.git resolved at 2.99.0
Creating working copy for https://github.com/apple/swift-async-algorithms.git
Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.3
Creating working copy for https://github.com/swift-server/swift-service-lifecycle.git
Working copy of https://github.com/swift-server/swift-service-lifecycle.git resolved at 2.11.0
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Working copy of https://github.com/apple/swift-metrics resolved at 2.10.1
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Working copy of https://github.com/facebook/zstd.git resolved at 1.5.7
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
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Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
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Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
warning: you may be able to install openssl using your system-packager:
apt-get install libssl-dev
warning: you may be able to install openssl using your system-packager:
apt-get install libssl-dev
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/host/spi-builder-workspace/Sources/Kafka/Configuration/KafkaProducerConfig.swift.gyb
/host/spi-builder-workspace/Sources/Kafka/Configuration/KafkaConsumerConfig.swift.gyb
/host/spi-builder-workspace/Sources/Kafka/Configuration/KafkaConfig.swift.gyb
Building for debugging...
[0/116] Write sources
[2/116] Compiling _AtomicsShims.c
[3/116] Write sources
[14/116] Compiling tinycthread_extra.c
[15/116] Compiling crc32c.c
[16/116] Compiling pb_encode.c
[17/116] Compiling pb_decode.c
In file included from /host/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/tinycthread.c:32:
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/signal.h:2:2: error: "wasm lacks signal support; to enable minimal signal emulation, compile with -D_WASI_EMULATED_SIGNAL and link with -lwasi-emulated-signal"
2 | #error "wasm lacks signal support; to enable minimal signal emulation, \
| ^
1 error generated.
[18/116] Compiling tinycthread.c
[18/116] Compiling rdxxhash.c
In file included from /host/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/regexp.c:16:
/root/.swiftpm/swift-sdks/swift-6.2-RELEASE_wasm.artifactbundle/swift-6.2-RELEASE_wasm/wasm32-unknown-wasip1/WASI.sdk/include/wasm32-wasip1/setjmp.h:13:2: error: Setjmp/longjmp support requires Exception handling support, which is [not yet standardized](https://github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.
13 | #error Setjmp/longjmp support requires Exception handling support, which is [not yet standardized](https://github.com/WebAssembly/proposals?tab=readme-ov-file#phase-3---implementation-phase-cg--wg). To enable it, compile with `-mllvm -wasm-enable-sjlj` and use an engine that implements the Exception handling proposal.
| ^
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[18/116] Write swift-version-24593BA9C3E375BF.txt
[18/116] Compiling lz4frame.c
[18/116] Compiling cJSON.c
BUILD FAILURE 6.2 wasm