Swift Package IndexBuild Information
Failed to build modbus2mqtt, reference main (287341), with Swift 6.4 for Linux on 30 Sep 2026 23:11:39 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/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:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.1
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jollyjinx/modbus-2-mqtt-bridge.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/jollyjinx/modbus-2-mqtt-bridge
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 287341d Correct NIBE S2125 register definitions and metadata
Cloned https://github.com/jollyjinx/modbus-2-mqtt-bridge.git
Revision (git rev-parse @):
287341deb79b5027ff533e4275cdc7e506bc743e
SUCCESS checkout https://github.com/jollyjinx/modbus-2-mqtt-bridge.git at main
========================================
Build
========================================
Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/jollyjinx/modbus-2-mqtt-bridge.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-54344843-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:c77fcce225e223ac0fafed844619173fc6de8d62dd560eeb28db3182af6a282b
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:basic-6.4-latest
Fetching https://github.com/jollyjinx/mqtt-nio.git
[1/2859] Fetching mqtt-nio
Fetched https://github.com/jollyjinx/mqtt-nio.git (0.57s)
Fetching https://github.com/apple/swift-configuration.git
Fetching https://github.com/apple/swift-nio-ssl.git
Fetching https://github.com/apple/swift-nio-extras.git
Fetching https://github.com/apple/swift-http-types.git
Fetching https://github.com/apple/swift-argument-parser
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[2/5774] Fetching swift-configuration, swift-http-types
Fetched https://github.com/apple/swift-http-types.git (0.44s)
Fetching https://github.com/apple/swift-log.git
[1/19010] Fetching swift-argument-parser
[19011/35873] Fetching swift-argument-parser, swift-nio-ssl
Fetched https://github.com/apple/swift-argument-parser (1.06s)
Fetching https://github.com/apple/swift-nio.git
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[16696/23556] Fetching swift-nio-ssl, swift-nio-extras
[16697/31769] Fetching swift-nio-ssl, swift-nio-extras, swift-log
Fetched https://github.com/apple/swift-nio-extras.git (1.69s)
Fetching https://github.com/apple/swift-nio-transport-services.git
Fetched https://github.com/apple/swift-log.git (1.26s)
Fetching https://github.com/jollyjinx/SwiftLibModbus
Fetching https://github.com/jollyjinx/JLog
[1/86237] Fetching swift-nio
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[21755/89678] Fetching swift-nio, swift-nio-transport-services, swiftlibmodbus
Fetched https://github.com/apple/swift-nio-transport-services.git (0.43s)
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[29006/86925] Fetching swift-nio, swiftlibmodbus, jlog
Fetched https://github.com/apple/swift-configuration.git (2.16s)
Fetched https://github.com/jollyjinx/JLog (0.34s)
[31620/86811] Fetching swift-nio, swiftlibmodbus
Fetched https://github.com/jollyjinx/SwiftLibModbus (0.44s)
Fetched https://github.com/apple/swift-nio-ssl.git (2.17s)
[31908/86237] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git (3.32s)
Computing version for https://github.com/jollyjinx/SwiftLibModbus
Computed https://github.com/jollyjinx/SwiftLibModbus at 3.1.0 (4.54s)
Computing version for https://github.com/jollyjinx/JLog
Computed https://github.com/jollyjinx/JLog at 0.0.9 (0.15s)
Fetching https://github.com/Adorkable/swift-log-format-and-pipe
[1/190] Fetching swift-log-format-and-pipe
Fetched https://github.com/Adorkable/swift-log-format-and-pipe (0.57s)
Computing version for https://github.com/Adorkable/swift-log-format-and-pipe
Computed https://github.com/Adorkable/swift-log-format-and-pipe at 0.1.1 (1.63s)
Computing version for https://github.com/apple/swift-configuration.git
Computed https://github.com/apple/swift-configuration.git at 1.2.1 (1.01s)
Fetching https://github.com/swift-server/swift-service-lifecycle
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Fetched https://github.com/swift-server/swift-service-lifecycle (0.49s)
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Fetched https://github.com/apple/swift-system (1.08s)
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Fetched https://github.com/apple/swift-collections (1.68s)
Computing version for https://github.com/apple/swift-nio-transport-services.git
Computed https://github.com/apple/swift-nio-transport-services.git at 1.28.0 (1.90s)
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[1/1885] Fetching swift-atomics
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Computing version for https://github.com/apple/swift-log.git
Computed https://github.com/apple/swift-log.git at 1.15.1 (0.76s)
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Computed https://github.com/apple/swift-atomics.git at 1.3.1 (0.20s)
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Computed https://github.com/apple/swift-nio.git at 2.103.0 (0.57s)
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Computed https://github.com/apple/swift-argument-parser at 1.8.2 (0.24s)
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Computed https://github.com/swift-server/swift-service-lifecycle at 2.12.0 (0.26s)
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Computing version for https://github.com/apple/swift-async-algorithms.git
Computed https://github.com/apple/swift-async-algorithms.git at 1.1.7 (0.80s)
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Computed https://github.com/apple/swift-collections at 1.7.1 (0.29s)
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Computed https://github.com/apple/swift-nio-ssl.git at 2.37.5 (0.22s)
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Computed https://github.com/apple/swift-http-types.git at 1.8.0 (0.20s)
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Computed https://github.com/apple/swift-system at 1.8.1 (0.20s)
Computing version for https://github.com/apple/swift-nio-extras.git
Computed https://github.com/apple/swift-nio-extras.git at 1.35.1 (0.46s)
Fetching https://github.com/apple/swift-asn1.git
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Computing version for https://github.com/apple/swift-algorithms.git
Computed https://github.com/apple/swift-algorithms.git at 1.2.1 (1.09s)
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Fetched https://github.com/apple/swift-numerics.git (0.51s)
Computing version for https://github.com/apple/swift-numerics.git
Computed https://github.com/apple/swift-numerics.git at 1.1.1 (0.67s)
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Computed https://github.com/apple/swift-http-structured-headers.git at 1.7.0 (0.17s)
Computing version for https://github.com/apple/swift-asn1.git
Computed https://github.com/apple/swift-asn1.git at 1.7.3 (0.21s)
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Computed https://github.com/apple/swift-certificates.git at 1.21.0 (0.24s)
Fetching https://github.com/apple/swift-crypto.git
[1/18572] Fetching swift-crypto
Fetched https://github.com/apple/swift-crypto.git (1.24s)
Computing version for https://github.com/apple/swift-crypto.git
Computed https://github.com/apple/swift-crypto.git at 5.0.0 (1.94s)
Computing version for https://github.com/apple/swift-nio-http2.git
Computed https://github.com/apple/swift-nio-http2.git at 1.46.0 (0.26s)
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.103.0
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Working copy of https://github.com/apple/swift-nio-http2.git resolved at 1.46.0
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Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.1
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Working copy of https://github.com/apple/swift-numerics.git resolved at 1.1.1
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Working copy of https://github.com/apple/swift-async-algorithms.git resolved at 1.1.7
Creating working copy for https://github.com/jollyjinx/JLog
Working copy of https://github.com/jollyjinx/JLog resolved at 0.0.9
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Working copy of https://github.com/Adorkable/swift-log-format-and-pipe resolved at 0.1.1
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Working copy of https://github.com/apple/swift-nio-transport-services.git resolved at 1.28.0
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Creating working copy for https://github.com/jollyjinx/SwiftLibModbus
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Working copy of https://github.com/jollyjinx/mqtt-nio.git resolved at main (0d32051)
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Building for debugging...
[Computing dependencies]
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[1m/host/spi-builder-workspace/.build/checkouts/SwiftLibModbus/Sources/CModbus/modbus-tcp.c:1025:20: [0m[0;1;31merror: [0m[1mcall to undeclared library function 'strlcpy' with type 'unsigned long (char *, const char *, unsigned long)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration][0m
1025 | ret_size = strlcpy(ctx_tcp->ip, ip, dest_size);[0m
| [0;1;32m ^
[0m[1m/host/spi-builder-workspace/.build/checkouts/SwiftLibModbus/Sources/CModbus/modbus-tcp.c:1025:20: [0m[0;1;36mnote: [0minclude the header <string.h> or explicitly provide a declaration for 'strlcpy'[0m
1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLibModbus.build/Debug-linux-x86_64/CModbus-t.build/Objects-normal/x86_64/modbus-tcp.o /host/spi-builder-workspace/.build/checkouts/SwiftLibModbus/Sources/CModbus/modbus-tcp.c normal x86_64 c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLibModbus.build/Debug-linux-x86_64/CModbus-t.build/Objects-normal/x86_64/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp
/usr/bin/clang -x c -target x86_64-unknown-linux-gnu -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-implicit-fallthrough -fstrict-aliasing -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot / @/host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLibModbus.build/Debug-linux-x86_64/CModbus-t.build/Objects-normal/x86_64/9f65232cb83f8421e3a495a5062eba382369c975104ee97bafc405ab795bfc5e-common-args.resp -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLibModbus.build/Debug-linux-x86_64/CModbus-t.build/Objects-normal/x86_64/modbus-tcp.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLibModbus.build/Debug-linux-x86_64/CModbus-t.build/Objects-normal/x86_64/modbus-tcp.dia -c /host/spi-builder-workspace/.build/checkouts/SwiftLibModbus/Sources/CModbus/modbus-tcp.c -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/SwiftLibModbus.build/Debug-linux-x86_64/CModbus-t.build/Objects-normal/x86_64/modbus-tcp.o
error: Build failed
BUILD FAILURE 6.4 linux