Swift Package IndexBuild Information
Failed to build swift-nio-udp, reference 1.0.1 (81bc22), with Swift 6.2 for Linux on 10 Feb 2026 08:10:21 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/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:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
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RunAll
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Builder version: 4.68.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/hironichu/swift-nio-udp.git
Reference: 1.0.1
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/hironichu/swift-nio-udp
* tag 1.0.1 -> FETCH_HEAD
HEAD is now at 81bc221 Add batch send API and performance optimizations
Cloned https://github.com/hironichu/swift-nio-udp.git
Revision (git rev-parse @):
81bc221147d585a4edc24b15b3ef7c0d7278c365
SUCCESS checkout https://github.com/hironichu/swift-nio-udp.git at 1.0.1
========================================
Build
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Selected platform: linux
Swift version: 6.2
Building package at path: $PWD
https://github.com/hironichu/swift-nio-udp.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-4606859-3":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/finestructure/spi-images:basic-6.2-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
basic-6.2-latest: Pulling from finestructure/spi-images
Digest: sha256:257b0ae9749b4eea8553a58f7bf60a672611c061e9b845ccfee371e7c1138ce8
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:basic-6.2-latest
Fetching https://github.com/apple/swift-nio.git
[1/81972] Fetching swift-nio
Fetched https://github.com/apple/swift-nio.git from cache (5.47s)
Computing version for https://github.com/apple/swift-nio.git
Computed https://github.com/apple/swift-nio.git at 2.94.0 (6.23s)
Fetching https://github.com/apple/swift-atomics.git
Fetching https://github.com/apple/swift-collections.git
Fetching https://github.com/apple/swift-system.git
[1/1820] Fetching swift-atomics
[1530/7372] Fetching swift-atomics, swift-system
Fetched https://github.com/apple/swift-atomics.git from cache (0.45s)
[1/19493] Fetching swift-collections
Fetched https://github.com/apple/swift-system.git from cache (1.70s)
Fetched https://github.com/apple/swift-collections.git from cache (1.73s)
Computing version for https://github.com/apple/swift-atomics.git
Computed https://github.com/apple/swift-atomics.git at 1.3.0 (5.48s)
Computing version for https://github.com/apple/swift-system.git
Computed https://github.com/apple/swift-system.git at 1.6.4 (0.64s)
Computing version for https://github.com/apple/swift-collections.git
Computed https://github.com/apple/swift-collections.git at 1.3.0 (1.15s)
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-atomics.git
Working copy of https://github.com/apple/swift-atomics.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-collections.git
Working copy of https://github.com/apple/swift-collections.git resolved at 1.3.0
Creating working copy for https://github.com/apple/swift-nio.git
Working copy of https://github.com/apple/swift-nio.git resolved at 2.94.0
Building for debugging...
[0/21] Write sources
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[227/230] Compiling NIOUDPTransport NIOUDPTransport.swift
/host/spi-builder-workspace/Sources/NIOUDPTransport/NIOUDPTransport.swift:521:77: error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
519 | name: .init(rawValue: CInt(IP_MULTICAST_LOOP))
520 | )
521 | bootstrap = bootstrap.channelOption(multicastLoopOption, value: CInt(1))
| `- error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
522 |
523 | let multicastTTLOption = ChannelOptions.Types.SocketOption(
/host/spi-builder-workspace/Sources/NIOUDPTransport/NIOUDPTransport.swift:527:76: error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
525 | name: .init(rawValue: CInt(IP_MULTICAST_TTL))
526 | )
527 | bootstrap = bootstrap.channelOption(multicastTTLOption, value: CInt(255))
| `- error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
528 | #endif
529 | } else {
/host/spi-builder-workspace/Sources/NIOUDPTransport/NIOUDPTransport.swift:548:77: error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
546 | name: .init(rawValue: CInt(IPV6_MULTICAST_LOOP))
547 | )
548 | bootstrap = bootstrap.channelOption(multicastLoopOption, value: CInt(1))
| `- error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
549 |
550 | let multicastHopsOption = ChannelOptions.Types.SocketOption(
/host/spi-builder-workspace/Sources/NIOUDPTransport/NIOUDPTransport.swift:554:77: error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
552 | name: .init(rawValue: CInt(IPV6_MULTICAST_HOPS))
553 | )
554 | bootstrap = bootstrap.channelOption(multicastHopsOption, value: CInt(255))
| `- error: cannot convert value of type 'CInt' (aka 'Int32') to expected argument type 'ChannelOptions.Types.SocketOption.Value' (aka 'Int')
555 | #endif
556 | }
[228/230] Compiling NIOUDPTransport NIOUDPTransport+Exports.swift
[229/230] Emitting module NIOUDPTransport
[230/230] Compiling NIOUDPTransport AddressHelpers.swift
BUILD FAILURE 6.2 linux