[INFO] fetching crate stomp-rs 0.0.8...
[INFO] testing stomp-rs-0.0.8 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate stomp-rs 0.0.8 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stomp-rs 0.0.8 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding simple_logger v1.16.0 (available: v5.2.0)
[INFO] [stderr]       Adding uuid v0.8.2 (available: v1.23.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be3d6b4d4ca3f8c52df85da3729e2778706bd2e3adb3d885c412998e4f058a1f
[INFO] running `Command { std: "docker" "start" "-a" "be3d6b4d4ca3f8c52df85da3729e2778706bd2e3adb3d885c412998e4f058a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3d6b4d4ca3f8c52df85da3729e2778706bd2e3adb3d885c412998e4f058a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3d6b4d4ca3f8c52df85da3729e2778706bd2e3adb3d885c412998e4f058a1f", kill_on_drop: false }`
[INFO] [stdout] be3d6b4d4ca3f8c52df85da3729e2778706bd2e3adb3d885c412998e4f058a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c112b2f2b2f56c089de91f007599a0acfac900f9a89088960b2d00050f278b9e
[INFO] running `Command { std: "docker" "start" "-a" "c112b2f2b2f56c089de91f007599a0acfac900f9a89088960b2d00050f278b9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling mio v1.2.0
[INFO] [stderr]    Compiling socket2 v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.52.1
[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 10.59s
[INFO] running `Command { std: "docker" "inspect" "c112b2f2b2f56c089de91f007599a0acfac900f9a89088960b2d00050f278b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c112b2f2b2f56c089de91f007599a0acfac900f9a89088960b2d00050f278b9e", kill_on_drop: false }`
[INFO] [stdout] c112b2f2b2f56c089de91f007599a0acfac900f9a89088960b2d00050f278b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 545dae4f029257fc5791d712f6b0664890196f636d910e3371ecd4fd613e4325
[INFO] running `Command { std: "docker" "start" "-a" "545dae4f029257fc5791d712f6b0664890196f636d910e3371ecd4fd613e4325", kill_on_drop: false }`
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling deranged v0.5.8
[INFO] [stderr]    Compiling colored v1.9.4
[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 time-macros v0.2.27
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling simple_logger v1.16.0
[INFO] [stderr]    Compiling stomp-rs v0.0.8 (/opt/rustwide/workdir)
[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 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: `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 7.63s
[INFO] running `Command { std: "docker" "inspect" "545dae4f029257fc5791d712f6b0664890196f636d910e3371ecd4fd613e4325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545dae4f029257fc5791d712f6b0664890196f636d910e3371ecd4fd613e4325", kill_on_drop: false }`
[INFO] [stdout] 545dae4f029257fc5791d712f6b0664890196f636d910e3371ecd4fd613e4325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efec2065eda562697b802380a3d55f91dd9cad9fdb952e64460b48dd5fa3fef2
[INFO] running `Command { std: "docker" "start" "-a" "efec2065eda562697b802380a3d55f91dd9cad9fdb952e64460b48dd5fa3fef2", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Receiver as OneshotReceiver`, `Sender as OneshotSender`, and `channel as oneshot_channel`
[INFO] [stderr]  --> src/client/handler/receipt_awaiter.rs:7:28
[INFO] [stderr]   |
[INFO] [stderr] 7 | use tokio::sync::oneshot::{channel as oneshot_channel, Sender as OneshotSender, Receiver as OneshotReceiver};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/client.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | impl Transaction {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 22 |     fn new(transaction_id: String, internal_client: Arc<InternalClient>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/connection.rs:156:9
[INFO] [stderr]     |
[INFO] [stderr] 156 |         self.close_sender.send(()).await;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 156 |         let _ = self.close_sender.send(()).await;
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `stomp-rs` (lib) generated 3 warnings (run `cargo fix --lib -p stomp-rs` to apply 1 suggestion)
[INFO] [stderr] warning: `stomp-rs` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `stomp_rs::protocol::ServerCommand::Connected`
[INFO] [stderr]  --> tests/stomp.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use stomp_rs::protocol::ServerCommand::Connected;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::sync::mpsc::error::RecvError`
[INFO] [stderr]   --> tests/stomp.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use tokio::sync::mpsc::error::RecvError;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `tokio::sync::mpsc::error::RecvError`: This type is unused because recv returns an Option.
[INFO] [stderr]   --> tests/stomp.rs:13:31
[INFO] [stderr]    |
[INFO] [stderr] 13 | use tokio::sync::mpsc::error::RecvError;
[INFO] [stderr]    |                               ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> tests/stomp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/stomp.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |             let (mut socket, _) = listener.accept().await.unwrap();
[INFO] [stderr]    |                  ----^^^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `time`
[INFO] [stderr]    --> tests/stomp.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |     let time = Instant::now();
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_time`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send`
[INFO] [stderr]    --> tests/stomp.rs:236:9
[INFO] [stderr]     |
[INFO] [stderr] 236 |     let send = client.send(Send::new("/test/topic")).await?;
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `send`
[INFO] [stderr]    --> tests/stomp.rs:321:9
[INFO] [stderr]     |
[INFO] [stderr] 321 |     let send = client.send(Send::new("/test/topic")).await?;
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_send`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/stomp.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/stomp.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> tests/stomp.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 72 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/stomp.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr] 121 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 121 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/stomp.rs:161:37
[INFO] [stderr]     |
[INFO] [stderr] 161 | / ...                   socket
[INFO] [stderr] 162 | | ...                       .write_all(
[INFO] [stderr] 163 | | ...                           &Frame {
[INFO] [stderr] 164 | | ...                               command: ServerCommand::Receipt,
[INFO] [stderr] ...   |
[INFO] [stderr] 170 | | ...                       .await;
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 161 |                                     let _ = socket
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/stomp.rs:180:37
[INFO] [stderr]     |
[INFO] [stderr] 180 | / ...                   socket
[INFO] [stderr] 181 | | ...                       .write_all(
[INFO] [stderr] 182 | | ...                           &Frame {
[INFO] [stderr] 183 | | ...                               command: ServerCommand::Receipt,
[INFO] [stderr] ...   |
[INFO] [stderr] 189 | | ...                       .await;
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 180 |                                     let _ = socket
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/stomp.rs:194:37
[INFO] [stderr]     |
[INFO] [stderr] 194 | / ...                   socket
[INFO] [stderr] 195 | | ...                       .write_all(
[INFO] [stderr] 196 | | ...                           &Frame {
[INFO] [stderr] 197 | | ...                               command: ServerCommand::Message,
[INFO] [stderr] ...   |
[INFO] [stderr] 203 | | ...                       .await;
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 194 |                                     let _ = socket
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/stomp.rs:248:5
[INFO] [stderr]     |
[INFO] [stderr] 248 |     SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 248 |     let _ = SimpleLogger::new().with_level(LevelFilter::Debug).init();
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/stomp.rs:291:37
[INFO] [stderr]     |
[INFO] [stderr] 291 | / ...                   socket
[INFO] [stderr] 292 | | ...                       .write_all(
[INFO] [stderr] 293 | | ...                           &Frame {
[INFO] [stderr] 294 | | ...                               command: ServerCommand::Receipt,
[INFO] [stderr] ...   |
[INFO] [stderr] 300 | | ...                       .await;
[INFO] [stderr]     | |________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 291 |                                     let _ = socket
[INFO] [stderr]     |                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `stomp-rs` (test "stomp") generated 17 warnings (run `cargo fix --test "stomp" -p stomp-rs` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stomp_rs-c36790ab9918aeaa)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test protocol::frame::tests::test_connect ... ok
[INFO] [stdout] test protocol::frame::tests::test_nack ... ok
[INFO] [stdout] test protocol::test::parse_test ... ok
[INFO] [stdout] test protocol::frame::tests::test_send ... ok
[INFO] [stdout] test protocol::frame::tests::test_ack ... ok
[INFO] [stdout] test protocol::frame::tests::test_subscribe ... ok
[INFO] [stdout] test protocol::test::parse_test_cr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/stomp.rs (/opt/rustwide/target/debug/deps/stomp-33ee981110011b44)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_wrong_connect_response ... ok
[INFO] [stdout] test test_proper_connection ... ok
[INFO] [stdout] test test_subscribe_message ... ok
[INFO] [stdout] test test_heartbeat_closing_client ... ok
[INFO] [stderr]    Doc-tests stomp_rs
[INFO] [stdout] test test_await_receipt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 5) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 20) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 34) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "efec2065eda562697b802380a3d55f91dd9cad9fdb952e64460b48dd5fa3fef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efec2065eda562697b802380a3d55f91dd9cad9fdb952e64460b48dd5fa3fef2", kill_on_drop: false }`
[INFO] [stdout] efec2065eda562697b802380a3d55f91dd9cad9fdb952e64460b48dd5fa3fef2
