Swift Package Index

Build Information

Failed to build SwiftMQTTAsync, reference main (0069c5), with Swift 6.1 for Wasm on 3 Mar 2026 22:51:39 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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1

Build Log

========================================
RunAll
========================================
Builder version: 4.68.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/LukaAlhonen/SwiftMQTTAsync.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/LukaAlhonen/SwiftMQTTAsync
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 0069c59 Merge pull request #50 from LukaAlhonen/dev
Cloned https://github.com/LukaAlhonen/SwiftMQTTAsync.git
Revision (git rev-parse @):
0069c599baa0bfeed4473d74333d4b9c8615915e
SUCCESS checkout https://github.com/LukaAlhonen/SwiftMQTTAsync.git at main
========================================
Build
========================================
Selected platform:         wasm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/LukaAlhonen/SwiftMQTTAsync.git
https://github.com/LukaAlhonen/SwiftMQTTAsync.git
WARNING: environment variable SUPPRESS_SWIFT_6_FLAGS is not set
{
  "dependencies" : [
    {
      "identity" : "swift-nio",
      "requirement" : {
        "range" : [
          {
            "lower_bound" : "2.94.0",
            "upper_bound" : "3.0.0"
          }
        ]
      },
      "type" : "sourceControl",
      "url" : "https://github.com/apple/swift-nio.git"
    }
  ],
  "manifest_display_name" : "SwiftMQTTAsync",
  "name" : "SwiftMQTTAsync",
  "path" : "/host/spi-builder-workspace",
  "platforms" : [
    {
      "name" : "macos",
      "version" : "13.0"
    }
  ],
  "products" : [
    {
      "name" : "SwiftMQTTAsync",
      "targets" : [
        "SwiftMQTTAsync"
      ],
      "type" : {
        "library" : [
          "automatic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "SwiftMQTTTests",
      "module_type" : "SwiftTarget",
      "name" : "SwiftMQTTTests",
      "path" : "Tests/SwiftMQTTTests",
      "sources" : [
        "MQTTClientTests.swift",
        "MQTTClientTestsV5.swift",
        "MQTTControlPacketTests.swift",
        "MQTTControlPacketV5Tests.swift",
        "Utils/WithTimeout.swift"
      ],
      "target_dependencies" : [
        "SwiftMQTTAsync"
      ],
      "type" : "test"
    },
    {
      "c99name" : "SwiftMQTTAsync",
      "module_type" : "SwiftTarget",
      "name" : "SwiftMQTTAsync",
      "path" : "Sources/SwiftMQTTAsync",
      "product_dependencies" : [
        "NIO",
        "NIOCore",
        "NIOPosix"
      ],
      "product_memberships" : [
        "SwiftMQTTAsync"
      ],
      "sources" : [
        "MQTTClient/Config.swift",
        "MQTTClient/Inflight.swift",
        "MQTTClient/MQTTClient.swift",
        "MQTTClient/MQTTClientV3.swift",
        "MQTTClient/MQTTClientV5.swift",
        "MQTTClient/MQTTConnection.swift",
        "MQTTClient/MQTTConnectionHandler.swift",
        "MQTTClient/MQTTError.swift",
        "MQTTClient/MQTTEvent.swift",
        "MQTTClient/MQTTEventBus.swift",
        "MQTTClient/MQTTSession.swift",
        "MQTTClient/PacketIdAllocator.swift",
        "MQTTClient/PacketParser.swift",
        "MQTTPacket/Bytes.swift",
        "MQTTPacket/FixedHeader.swift",
        "MQTTPacket/MQTTControlPacket.swift",
        "MQTTPacket/MQTTPacket.swift",
        "MQTTPacket/Packets/Connack.swift",
        "MQTTPacket/Packets/Connect.swift",
        "MQTTPacket/Packets/Disconnect.swift",
        "MQTTPacket/Packets/Pingreq.swift",
        "MQTTPacket/Packets/Pingresp.swift",
        "MQTTPacket/Packets/Puback.swift",
        "MQTTPacket/Packets/Pubcomp.swift",
        "MQTTPacket/Packets/Publish.swift",
        "MQTTPacket/Packets/Pubrec.swift",
        "MQTTPacket/Packets/Pubrel.swift",
        "MQTTPacket/Packets/Suback.swift",
        "MQTTPacket/Packets/Subscribe.swift",
        "MQTTPacket/Packets/Unsuback.swift",
        "MQTTPacket/Packets/Unsubscribe.swift",
        "MQTTPacket/Properties.swift",
        "MQTTPacket/Property.swift",
        "MQTTPacket/QoS.swift",
        "MQTTPacket/TopicFilter.swift",
        "MQTTPacket/Utils/DecodeRemainingLength.swift",
        "MQTTPacket/Utils/DecodeUInt.swift",
        "MQTTPacket/Utils/EncodeUInt.swift",
        "MQTTPacket/Version.swift",
        "SwiftMQTT.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "6.2"
}
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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi -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
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:58b971189c4d3c564696bb40c86e07506670ed096ab7351a005c7c449525017a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
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/finestructure/spi-images:wasm-6.1-latest swift build --swift-sdk wasm32-unknown-wasi 2>&1
wasm-6.1-latest: Pulling from finestructure/spi-images
Digest: sha256:58b971189c4d3c564696bb40c86e07506670ed096ab7351a005c7c449525017a
Status: Image is up to date for registry.gitlab.com/finestructure/spi-images:wasm-6.1-latest
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 wasm