Build Information
Failed to build modbus2mqtt, reference 2.6.0 (208a1e), with Swift 6.1 for Android on 3 Dec 2025 19:00:51 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1Build Log
========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/jollyjinx/modbus-2-mqtt-bridge.git
Reference: 2.6.0
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
* tag 2.6.0 -> FETCH_HEAD
HEAD is now at 208a1e3 updated readme to refer to ghcr.io instead of docker as images are now built automatically on github.
Cloned https://github.com/jollyjinx/modbus-2-mqtt-bridge.git
Revision (git rev-parse @):
208a1e35ef0a91fa85c0f1ea817a78c0dd695bb2
SUCCESS checkout https://github.com/jollyjinx/modbus-2-mqtt-bridge.git at 2.6.0
========================================
Build
========================================
Selected platform: android
Swift version: 6.1
Building package at path: $PWD
https://github.com/jollyjinx/modbus-2-mqtt-bridge.git
https://github.com/jollyjinx/modbus-2-mqtt-bridge.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
"dependencies" : [
{
"identity" : "swift-argument-parser",
"requirement" : {
"range" : [
{
"lower_bound" : "1.6.2",
"upper_bound" : "2.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/apple/swift-argument-parser"
},
{
"identity" : "mqtt-nio",
"requirement" : {
"range" : [
{
"lower_bound" : "2.8.0",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/sroebert/mqtt-nio.git"
},
{
"identity" : "jlog",
"requirement" : {
"range" : [
{
"lower_bound" : "0.0.9",
"upper_bound" : "1.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/jollyjinx/JLog"
},
{
"identity" : "swiftlibmodbus",
"requirement" : {
"range" : [
{
"lower_bound" : "2.0.2",
"upper_bound" : "3.0.0"
}
]
},
"type" : "sourceControl",
"url" : "https://github.com/jollyjinx/SwiftLibModbus"
}
],
"manifest_display_name" : "modbus2mqtt",
"name" : "modbus2mqtt",
"path" : "/host/spi-builder-workspace",
"platforms" : [
{
"name" : "ios",
"version" : "18.0"
},
{
"name" : "macos",
"version" : "15.0"
}
],
"products" : [
{
"name" : "modbus2mqtt",
"targets" : [
"modbus2mqtt"
],
"type" : {
"executable" : null
}
},
{
"name" : "SwiftLibModbus2MQTT",
"targets" : [
"SwiftLibModbus2MQTT"
],
"type" : {
"library" : [
"automatic"
]
}
}
],
"targets" : [
{
"c99name" : "modbus2mqtt",
"module_type" : "SwiftTarget",
"name" : "modbus2mqtt",
"path" : "Sources/modbus2mqtt",
"product_dependencies" : [
"ArgumentParser",
"JLog"
],
"product_memberships" : [
"modbus2mqtt"
],
"resources" : [
{
"path" : "/host/spi-builder-workspace/Sources/modbus2mqtt/DeviceDefinitions",
"rule" : {
"copy" : {
}
}
}
],
"sources" : [
"modbus2mqtt.swift"
],
"target_dependencies" : [
"SwiftLibModbus2MQTT"
],
"type" : "executable"
},
{
"c99name" : "SwiftLibModbus2MQTT",
"module_type" : "SwiftTarget",
"name" : "SwiftLibModbus2MQTT",
"path" : "Sources/SwiftLibModbus2MQTT",
"product_dependencies" : [
"MQTTNIO",
"JLog",
"SwiftLibModbus"
],
"product_memberships" : [
"modbus2mqtt",
"SwiftLibModbus2MQTT"
],
"sources" : [
"BitMappedValue.swift",
"MQTTRequestResponse.swift",
"MQTTServer.swift",
"ModbusDefinition.swift",
"ModbusValue.swift"
],
"type" : "library"
}
],
"tools_version" : "6.1"
}
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 -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
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:91d018f1076d6a900d71818287e1b2618039c67008f0564a121787f87e1ae735
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Fetching https://github.com/jollyjinx/JLog
Fetching https://github.com/sroebert/mqtt-nio.git
Fetching https://github.com/apple/swift-argument-parser
Fetching https://github.com/jollyjinx/SwiftLibModbus
[1/114] Fetching jlog
[115/602] Fetching jlog, swiftlibmodbus
[130/2278] Fetching jlog, swiftlibmodbus, mqtt-nio
[2279/19155] Fetching jlog, swiftlibmodbus, mqtt-nio, swift-argument-parser
Fetched https://github.com/jollyjinx/SwiftLibModbus from cache (0.32s)
[2466/18667] Fetching jlog, mqtt-nio, swift-argument-parser
Fetched https://github.com/jollyjinx/JLog from cache (0.74s)
Fetched https://github.com/sroebert/mqtt-nio.git from cache (0.75s)
Fetched https://github.com/apple/swift-argument-parser from cache (1.22s)
Computing version for https://github.com/jollyjinx/JLog
error: Dependencies could not be resolved because root depends on 'jlog' 0.0.9..<1.0.0.
'jlog' >= 0.0.9 cannot be used because no versions of 'jlog' match the requirement 0.0.10..<1.0.0 and 'jlog' 0.0.9 contains incompatible tools version (6.1.2).
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4609320-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:android-6.1-latest swift build --swift-sdk aarch64-unknown-linux-android24 2>&1
android-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:91d018f1076d6a900d71818287e1b2618039c67008f0564a121787f87e1ae735
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:android-6.1-latest
Updating https://github.com/jollyjinx/SwiftLibModbus
Updating https://github.com/apple/swift-argument-parser
Updating https://github.com/jollyjinx/JLog
Updated https://github.com/jollyjinx/JLog (0.17s)
Updating https://github.com/sroebert/mqtt-nio.git
Updated https://github.com/jollyjinx/SwiftLibModbus (0.20s)
Updated https://github.com/apple/swift-argument-parser (0.20s)
Updated https://github.com/sroebert/mqtt-nio.git (0.16s)
Computing version for https://github.com/jollyjinx/JLog
error: Dependencies could not be resolved because root depends on 'jlog' 0.0.9..<1.0.0.
'jlog' >= 0.0.9 cannot be used because no versions of 'jlog' match the requirement 0.0.10..<1.0.0 and 'jlog' 0.0.9 contains incompatible tools version (6.1.2).
BUILD FAILURE 6.1 android