[INFO] cloning repository https://github.com/PeterGrace/mqtt-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PeterGrace/mqtt-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterGrace%2Fmqtt-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterGrace%2Fmqtt-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49fd266e9b8249a2df40e338487fdd511aecb1fd
[INFO] checking PeterGrace/mqtt-proxy against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPeterGrace%2Fmqtt-proxy" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/PeterGrace/mqtt-proxy
[INFO] finished tweaking git repo https://github.com/PeterGrace/mqtt-proxy
[INFO] tweaked toml for git repo https://github.com/PeterGrace/mqtt-proxy written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/PeterGrace/mqtt-proxy on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/PeterGrace/mqtt-proxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c81e938b157dbc52516fd2856dd7b8adff3c3363ec0dfa3149ab18f4235f4b4
[INFO] running `Command { std: "docker" "start" "-a" "2c81e938b157dbc52516fd2856dd7b8adff3c3363ec0dfa3149ab18f4235f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c81e938b157dbc52516fd2856dd7b8adff3c3363ec0dfa3149ab18f4235f4b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c81e938b157dbc52516fd2856dd7b8adff3c3363ec0dfa3149ab18f4235f4b4", kill_on_drop: false }`
[INFO] [stdout] 2c81e938b157dbc52516fd2856dd7b8adff3c3363ec0dfa3149ab18f4235f4b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6abf93668198ddfbd13b81809a43d799a9b4ad0721a6423aad19133e9e33dd4f
[INFO] running `Command { std: "docker" "start" "-a" "6abf93668198ddfbd13b81809a43d799a9b4ad0721a6423aad19133e9e33dd4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]     Checking rustls-pki-types v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking rustls-native-certs v0.7.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]     Checking ctrlc v3.4.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking rustls-webpki v0.102.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-rustls v0.25.0
[INFO] [stderr]     Checking rumqttc v0.24.0
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking serde_json v1.0.117
[INFO] [stderr]     Checking mqtt-proxy v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `QoS`
[INFO] [stdout]  --> src/mqtt_connection.rs:2:52
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rumqttc::{AsyncClient, EventLoop, MqttOptions, QoS};
[INFO] [stdout]   |                                                    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/mqtt_poll.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/mqtt_poll.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/mqtt_poll.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter`
[INFO] [stdout]   --> src/main.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing_subscriber::filter::{EnvFilter, LevelFilter};
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/main.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::sync::{mpsc, Mutex, OnceCell, RwLock};
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinError`
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio::task::{JoinError, JoinSet};
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `QoS`
[INFO] [stdout]  --> src/mqtt_connection.rs:2:52
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rumqttc::{AsyncClient, EventLoop, MqttOptions, QoS};
[INFO] [stdout]   |                                                    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::PartialEq`
[INFO] [stdout]  --> src/mqtt_poll.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/mqtt_poll.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::sync::mpsc`
[INFO] [stdout]   --> src/mqtt_poll.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tokio::sync::mpsc;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LevelFilter`
[INFO] [stdout]   --> src/main.rs:13:45
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tracing_subscriber::filter::{EnvFilter, LevelFilter};
[INFO] [stdout]    |                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RwLock`
[INFO] [stdout]   --> src/main.rs:15:42
[INFO] [stdout]    |
[INFO] [stdout] 15 | use tokio::sync::{mpsc, Mutex, OnceCell, RwLock};
[INFO] [stdout]    |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `JoinError`
[INFO] [stdout]   --> src/main.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | use tokio::task::{JoinError, JoinSet};
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mqtt_poll.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut mpsc: &mut ThreadCommunication = comms.get_mut(&server.name.clone()).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mqtt_poll.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut mpsc: &mut ThreadCommunication = comms.get_mut(&server.name.clone()).unwrap();
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/mqtt_poll.rs:90:40
[INFO] [stdout]    |
[INFO] [stdout] 90 | ...                   if let Err(e) = tx.send(outbound).await {
[INFO] [stdout]    |                                  ^
[INFO] [stdout] 91 | ...                       return Err(MQTTError::Misc("tx channel error: {e}".into()));
[INFO] [stdout]    |                                                      ----------------------- you might have meant to use string interpolation in this string literal
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]    |
[INFO] [stdout] 91 |                                 return Err(MQTTError::Misc(format!("tx channel error: {e}").into()));
[INFO] [stdout]    |                                                            ++++++++                       +
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 90 |                             if let Err(_e) = tx.send(outbound).await {
[INFO] [stdout]    |                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mqtt_poll.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |         if let Err(e) = mqtt.client.subscribe(server.topic.clone(), QoS::AtLeastOnce).await {
[INFO] [stdout]     |                    ^
[INFO] [stdout] 124 |             return Err(MQTTError::Misc("MQTT Source server {server.name} couldn't subscribe to topic: {e}".into()));
[INFO] [stdout]     |                                        ------------------------------------------------------------------- you might have meant to use string interpolation in this string literal
[INFO] [stdout]     |
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]     |
[INFO] [stdout] 124 |             return Err(MQTTError::Misc(format!("MQTT Source server {server.name} couldn't subscribe to topic: {e}").into()));
[INFO] [stdout]     |                                        ++++++++                                                                   +
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 123 |         if let Err(_e) = mqtt.client.subscribe(server.topic.clone(), QoS::AtLeastOnce).await {
[INFO] [stdout]     |                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/mqtt_poll.rs:90:40
[INFO] [stdout]    |
[INFO] [stdout] 90 | ...                   if let Err(e) = tx.send(outbound).await {
[INFO] [stdout]    |                                  ^
[INFO] [stdout] 91 | ...                       return Err(MQTTError::Misc("tx channel error: {e}".into()));
[INFO] [stdout]    |                                                      ----------------------- you might have meant to use string interpolation in this string literal
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]    |
[INFO] [stdout] 91 |                                 return Err(MQTTError::Misc(format!("tx channel error: {e}").into()));
[INFO] [stdout]    |                                                            ++++++++                       +
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]    |
[INFO] [stdout] 90 |                             if let Err(_e) = tx.send(outbound).await {
[INFO] [stdout]    |                                        +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/mqtt_poll.rs:123:20
[INFO] [stdout]     |
[INFO] [stdout] 123 |         if let Err(e) = mqtt.client.subscribe(server.topic.clone(), QoS::AtLeastOnce).await {
[INFO] [stdout]     |                    ^
[INFO] [stdout] 124 |             return Err(MQTTError::Misc("MQTT Source server {server.name} couldn't subscribe to topic: {e}".into()));
[INFO] [stdout]     |                                        ------------------------------------------------------------------- you might have meant to use string interpolation in this string literal
[INFO] [stdout]     |
[INFO] [stdout] help: string interpolation only works in `format!` invocations
[INFO] [stdout]     |
[INFO] [stdout] 124 |             return Err(MQTTError::Misc(format!("MQTT Source server {server.name} couldn't subscribe to topic: {e}").into()));
[INFO] [stdout]     |                                        ++++++++                                                                   +
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 123 |         if let Err(_e) = mqtt.client.subscribe(server.topic.clone(), QoS::AtLeastOnce).await {
[INFO] [stdout]     |                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut cn = match MqttConnection::create(server.clone()).await {
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |         for (server, mut mpsc) in task_comms.iter_mut() {
[INFO] [stdout]    |                      ----^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:110:26
[INFO] [stdout]     |
[INFO] [stdout] 110 |             for (server, mut mpsc) in task_comms.iter_mut() {
[INFO] [stdout]     |                          ----^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 if let Err(e) = mpsc.to_leaf_tx.send(IPCMessage::Outbound(msg.clone())).await {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut cn = match MqttConnection::create(server.clone()).await {
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:87:22
[INFO] [stdout]    |
[INFO] [stdout] 87 |         for (server, mut mpsc) in task_comms.iter_mut() {
[INFO] [stdout]    |                      ----^^^^
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:110:26
[INFO] [stdout]     |
[INFO] [stdout] 110 |             for (server, mut mpsc) in task_comms.iter_mut() {
[INFO] [stdout]     |                          ----^^^^
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/mqtt_connection.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl MqttConnection {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub async fn new(
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Inbound` and `Error` are never constructed
[INFO] [stdout]   --> src/ipc.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum IPCMessage {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 10 |     Inbound(MqttMessage),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Outbound(MqttMessage),
[INFO] [stdout] 12 |     Error(MQTTError)
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IPCMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:111:28
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 if let Err(e) = mpsc.to_leaf_tx.send(IPCMessage::Outbound(msg.clone())).await {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/mqtt_connection.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl MqttConnection {
[INFO] [stdout]    | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub async fn new(
[INFO] [stdout]    |                  ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Inbound` and `Error` are never constructed
[INFO] [stdout]   --> src/ipc.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum IPCMessage {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 10 |     Inbound(MqttMessage),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Outbound(MqttMessage),
[INFO] [stdout] 12 |     Error(MQTTError)
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IPCMessage` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.53s
[INFO] running `Command { std: "docker" "inspect" "6abf93668198ddfbd13b81809a43d799a9b4ad0721a6423aad19133e9e33dd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6abf93668198ddfbd13b81809a43d799a9b4ad0721a6423aad19133e9e33dd4f", kill_on_drop: false }`
[INFO] [stdout] 6abf93668198ddfbd13b81809a43d799a9b4ad0721a6423aad19133e9e33dd4f
