Swift Package IndexBuild Information
Failed to build swift-kafka-client, reference main (a83e84), with Swift 6.3 for macOS (SPM) on 28 Apr 2026 19:50:13 UTC.
Build Command
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64Build 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 /Users/admin/builder/spi-builder-workspace/.git/
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 '/Users/admin/builder/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
Fetching https://github.com/facebook/zstd.git
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Computing version for https://github.com/facebook/zstd.git
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Computed https://github.com/apple/swift-collections.git at 1.4.1 (2.47s)
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Computed https://github.com/apple/swift-log.git at 1.12.0 (0.60s)
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Computed https://github.com/apple/swift-nio.git at 2.99.0 (0.70s)
Fetching https://github.com/apple/swift-atomics.git
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[1/1820] Fetching swift-atomics
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Fetched https://github.com/apple/swift-atomics.git from cache (1.15s)
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Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (1.78s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.64s)
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-metrics
Working copy of https://github.com/apple/swift-metrics resolved at 2.10.1
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
Creating working copy for https://github.com/facebook/zstd.git
Working copy of https://github.com/facebook/zstd.git resolved at 1.5.7
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
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
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/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.99.0
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
========================================
ResolveProductDependencies
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Resolving dependencies ...
{
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"name": "resolve-dependencies",
"url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
"version": "unspecified",
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"traits": [
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"dependencies": [
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}
]
}
Fetching https://github.com/swift-server/swift-kafka-client.git
[1/5920] Fetching swift-kafka-client
Fetched https://github.com/swift-server/swift-kafka-client.git from cache (1.52s)
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Fetching https://github.com/apple/swift-metrics from cache
Fetching https://github.com/apple/swift-log.git from cache
Fetching https://github.com/apple/swift-nio.git from cache
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Computing version for https://github.com/apple/swift-async-algorithms.git
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Creating working copy for https://github.com/facebook/zstd.git
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
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
Creating working copy for https://github.com/swift-server/swift-kafka-client.git
Working copy of https://github.com/swift-server/swift-kafka-client.git resolved at main (a83e841)
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
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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-metrics
Working copy of https://github.com/apple/swift-metrics resolved at 2.10.1
Creating working copy for https://github.com/apple/swift-system.git
Working copy of https://github.com/apple/swift-system.git resolved at 1.6.4
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
Creating working copy for https://github.com/apple/swift-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
warning: '.resolve-product-dependencies': dependency 'swift-kafka-client' is not used by any target
Found 5 product dependencies
- swift-nio
- swift-service-lifecycle
- swift-log
- swift-metrics
- zstd
========================================
Build
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Selected platform: macosSpm
Swift version: 6.3
Building package at path: $PWD
https://github.com/swift-server/swift-kafka-client.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.4.0.app xcrun swift build --arch arm64
Building for debugging...
[0/116] Write swift-version--6988338F2F200930.txt
[1/116] Write sources
[3/120] Compiling common.pb.c
[4/120] Compiling pb_common.c
[5/120] Compiling metrics.pb.c
[6/120] Write sources
[14/120] Compiling lz4frame.c
[15/120] Write sources
[18/120] Compiling pb_decode.c
[19/122] Compiling pb_encode.c
[20/128] Compiling _AtomicsShims.c
[21/147] Compiling lz4hc.c
[22/147] Compiling lz4.c
[23/147] Compiling regexp.c
[24/147] Compiling rdmap.c
[25/147] Compiling rdxxhash.c
[26/147] Compiling tinycthread_extra.c
In file included from /Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/snappy.c:61:
In file included from /Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/snappy_compat.h:31:
/Users/admin/builder/spi-builder-workspace/Sources/Crdkafka/librdkafka/src/rdkafka_int.h:56:10: fatal error: 'openssl/ssl.h' file not found
56 | #include <openssl/ssl.h>
| ^~~~~~~~~~~~~~~
1 error generated.
[27/147] Compiling snappy.c
[27/147] Compiling rdregex.c
[27/147] Compiling rdstring.c
[27/147] Compiling rdvarint.c
[27/147] Compiling rdunittest.c
[27/147] Compiling tinycthread.c
[28/147] Emitting module _NIOBase64
warning: failed to retrieve search paths with pkg-config; maybe pkg-config is not installed
warning: you may be able to install openssl using your system-packager:
brew install openssl@3
warning: you may be able to install openssl using your system-packager:
brew install openssl@3
warning: 'spi-builder-workspace': found 3 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
/Users/admin/builder/spi-builder-workspace/Sources/Kafka/Configuration/KafkaConsumerConfig.swift.gyb
/Users/admin/builder/spi-builder-workspace/Sources/Kafka/Configuration/KafkaProducerConfig.swift.gyb
/Users/admin/builder/spi-builder-workspace/Sources/Kafka/Configuration/KafkaConfig.swift.gyb
BUILD FAILURE 6.3 macosSpm