[INFO] fetching crate stomp-rs 0.0.8...
[INFO] building stomp-rs-0.0.8 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate stomp-rs 0.0.8 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate stomp-rs 0.0.8
[INFO] finished tweaking crates.io crate stomp-rs 0.0.8
[INFO] tweaked toml for crates.io crate stomp-rs 0.0.8 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stomp-rs 0.0.8 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages to latest compatible versions
[INFO] [stderr]       Adding simple_logger v1.16.0 (available: v5.0.0)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.18.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple_logger v1.16.0
[INFO] [stderr]   Downloaded colored v1.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fffa15d7b2b8e4d2e8c27cecad27c9da558fae82f1827029647e3877fceb4ff0
[INFO] running `Command { std: "docker" "start" "-a" "fffa15d7b2b8e4d2e8c27cecad27c9da558fae82f1827029647e3877fceb4ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fffa15d7b2b8e4d2e8c27cecad27c9da558fae82f1827029647e3877fceb4ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fffa15d7b2b8e4d2e8c27cecad27c9da558fae82f1827029647e3877fceb4ff0", kill_on_drop: false }`
[INFO] [stdout] fffa15d7b2b8e4d2e8c27cecad27c9da558fae82f1827029647e3877fceb4ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48b1d21de7f605adc48d3ab851e4bd18e1d6b4753291699683ed10c758fdd4a2
[INFO] running `Command { std: "docker" "start" "-a" "48b1d21de7f605adc48d3ab851e4bd18e1d6b4753291699683ed10c758fdd4a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling stomp-rs v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Receiver as OneshotReceiver`, `Sender as OneshotSender`, and `channel as oneshot_channel`
[INFO] [stdout]  --> src/client/handler/receipt_awaiter.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::oneshot::{channel as oneshot_channel, Sender as OneshotSender, Receiver as OneshotReceiver};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/client.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Transaction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 22 |     fn new(transaction_id: String, internal_client: Arc<InternalClient>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.close_sender.send(()).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.close_sender.send(()).await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.76s
[INFO] running `Command { std: "docker" "inspect" "48b1d21de7f605adc48d3ab851e4bd18e1d6b4753291699683ed10c758fdd4a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b1d21de7f605adc48d3ab851e4bd18e1d6b4753291699683ed10c758fdd4a2", kill_on_drop: false }`
[INFO] [stdout] 48b1d21de7f605adc48d3ab851e4bd18e1d6b4753291699683ed10c758fdd4a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ab4f6cee7de9a654b813ec780997356a69ceeecaa4c7713601d84a3812e72c5
[INFO] running `Command { std: "docker" "start" "-a" "0ab4f6cee7de9a654b813ec780997356a69ceeecaa4c7713601d84a3812e72c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stdout] warning: unused imports: `Receiver as OneshotReceiver`, `Sender as OneshotSender`, and `channel as oneshot_channel`
[INFO] [stdout]  --> src/client/handler/receipt_awaiter.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::oneshot::{channel as oneshot_channel, Sender as OneshotSender, Receiver as OneshotReceiver};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/client.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Transaction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 22 |     fn new(transaction_id: String, internal_client: Arc<InternalClient>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.close_sender.send(()).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.close_sender.send(()).await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling colored v1.9.4
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling simple_logger v1.16.0
[INFO] [stderr]    Compiling stomp-rs v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Receiver as OneshotReceiver`, `Sender as OneshotSender`, and `channel as oneshot_channel`
[INFO] [stdout]  --> src/client/handler/receipt_awaiter.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::sync::oneshot::{channel as oneshot_channel, Sender as OneshotSender, Receiver as OneshotReceiver};
[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: `stomp_rs::protocol::ServerCommand::Connected`
[INFO] [stdout]  --> tests/stomp.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use stomp_rs::protocol::ServerCommand::Connected;
[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: `tokio::sync::mpsc::error::RecvError`
[INFO] [stdout]   --> tests/stomp.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::mpsc::error::RecvError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stdout]   --> tests/stomp.rs:13:31
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tokio::sync::mpsc::error::RecvError;
[INFO] [stdout]    |                               ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> tests/stomp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/stomp.rs:51:18
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let (mut socket, _) = listener.accept().await.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: `time`
[INFO] [stdout]    --> tests/stomp.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     let time = Instant::now();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]    --> tests/stomp.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     let send = client.send(Send::new("/test/topic")).await?;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `send`
[INFO] [stdout]    --> tests/stomp.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |     let send = client.send(Send::new("/test/topic")).await?;
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/stomp.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/stomp.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/stomp.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/stomp.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 121 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/stomp.rs:161:37
[INFO] [stdout]     |
[INFO] [stdout] 161 | / ...                   socket
[INFO] [stdout] 162 | | ...                       .write_all(
[INFO] [stdout] 163 | | ...                           &Frame {
[INFO] [stdout] 164 | | ...                               command: ServerCommand::Receipt,
[INFO] [stdout] ...   |
[INFO] [stdout] 170 | | ...                       .await;
[INFO] [stdout]     | |________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |                                     let _ = socket
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/stomp.rs:180:37
[INFO] [stdout]     |
[INFO] [stdout] 180 | / ...                   socket
[INFO] [stdout] 181 | | ...                       .write_all(
[INFO] [stdout] 182 | | ...                           &Frame {
[INFO] [stdout] 183 | | ...                               command: ServerCommand::Receipt,
[INFO] [stdout] ...   |
[INFO] [stdout] 189 | | ...                       .await;
[INFO] [stdout]     | |________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 180 |                                     let _ = socket
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/stomp.rs:194:37
[INFO] [stdout]     |
[INFO] [stdout] 194 | / ...                   socket
[INFO] [stdout] 195 | | ...                       .write_all(
[INFO] [stdout] 196 | | ...                           &Frame {
[INFO] [stdout] 197 | | ...                               command: ServerCommand::Message,
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | | ...                       .await;
[INFO] [stdout]     | |________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 194 |                                     let _ = socket
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/stomp.rs:248:5
[INFO] [stdout]     |
[INFO] [stdout] 248 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 248 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/stomp.rs:291:37
[INFO] [stdout]     |
[INFO] [stdout] 291 | / ...                   socket
[INFO] [stdout] 292 | | ...                       .write_all(
[INFO] [stdout] 293 | | ...                           &Frame {
[INFO] [stdout] 294 | | ...                               command: ServerCommand::Receipt,
[INFO] [stdout] ...   |
[INFO] [stdout] 300 | | ...                       .await;
[INFO] [stdout]     | |________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 291 |                                     let _ = socket
[INFO] [stdout]     |                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/client.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Transaction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 22 |     fn new(transaction_id: String, internal_client: Arc<InternalClient>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/connection.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         self.close_sender.send(()).await;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let _ = self.close_sender.send(()).await;
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "0ab4f6cee7de9a654b813ec780997356a69ceeecaa4c7713601d84a3812e72c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ab4f6cee7de9a654b813ec780997356a69ceeecaa4c7713601d84a3812e72c5", kill_on_drop: false }`
[INFO] [stdout] 0ab4f6cee7de9a654b813ec780997356a69ceeecaa4c7713601d84a3812e72c5
