[INFO] fetching crate engine_io_server 0.1.0... [INFO] testing engine_io_server-0.1.0 against beta-2022-02-22 for beta-1.60-1 [INFO] extracting crate engine_io_server 0.1.0 into /workspace/builds/worker-73/source [INFO] validating manifest of crates.io crate engine_io_server 0.1.0 on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate engine_io_server 0.1.0 [INFO] finished tweaking crates.io crate engine_io_server 0.1.0 [INFO] tweaked toml for crates.io crate engine_io_server 0.1.0 written to /workspace/builds/worker-73/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb8d61c7d96e3f812540b5efc4b95fc7213d25d1b8d70a827492802b78cd8a96 [INFO] running `Command { std: "docker" "start" "-a" "fb8d61c7d96e3f812540b5efc4b95fc7213d25d1b8d70a827492802b78cd8a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb8d61c7d96e3f812540b5efc4b95fc7213d25d1b8d70a827492802b78cd8a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb8d61c7d96e3f812540b5efc4b95fc7213d25d1b8d70a827492802b78cd8a96", kill_on_drop: false }` [INFO] [stdout] fb8d61c7d96e3f812540b5efc4b95fc7213d25d1b8d70a827492802b78cd8a96 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06c3dcf99adc873a850cf1cc1b60277de19e7168b3d7b076819d882819c18de7 [INFO] running `Command { std: "docker" "start" "-a" "06c3dcf99adc873a850cf1cc1b60277de19e7168b3d7b076819d882819c18de7", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling strum v0.18.0 [INFO] [stderr] Compiling getrandom v0.2.5 [INFO] [stderr] Compiling nom v5.1.2 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling engine_io_parser v0.2.0 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling engine_io_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/socket.rs:363:34 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `description` [INFO] [stdout] --> src/socket.rs:363:55 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut holder = TransportHolder { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `remote_address` [INFO] [stdout] --> src/socket.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | remote_address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transport_event_sender` [INFO] [stdout] --> src/socket.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | transport_event_sender: mpsc::Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | / self.event_sender [INFO] [stdout] 173 | | .send(SocketEvent::Open { [INFO] [stdout] 174 | | socket_id: self.id.clone(), [INFO] [stdout] 175 | | }) [INFO] [stdout] 176 | | .await; [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `TransportImpl::close` that must be used [INFO] [stdout] --> src/socket.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | self.transport_holder.transport.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket.rs:284:13 [INFO] [stdout] | [INFO] [stdout] 284 | / self.event_sender [INFO] [stdout] 285 | | .send(SocketEvent::Flush { [INFO] [stdout] 286 | | socket_id: id.clone(), [INFO] [stdout] 287 | | }) [INFO] [stdout] 288 | | .await; [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.47s [INFO] running `Command { std: "docker" "inspect" "06c3dcf99adc873a850cf1cc1b60277de19e7168b3d7b076819d882819c18de7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06c3dcf99adc873a850cf1cc1b60277de19e7168b3d7b076819d882819c18de7", kill_on_drop: false }` [INFO] [stdout] 06c3dcf99adc873a850cf1cc1b60277de19e7168b3d7b076819d882819c18de7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f881010cf9a02f202cff1d7917ff67b952c17e2945c3bf37e489feda16b1f7f1 [INFO] running `Command { std: "docker" "start" "-a" "f881010cf9a02f202cff1d7917ff67b952c17e2945c3bf37e489feda16b1f7f1", kill_on_drop: false }` [INFO] [stderr] Compiling engine_io_server v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/socket.rs:363:34 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `description` [INFO] [stdout] --> src/socket.rs:363:55 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut holder = TransportHolder { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `remote_address` [INFO] [stdout] --> src/socket.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | remote_address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transport_event_sender` [INFO] [stdout] --> src/socket.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | transport_event_sender: mpsc::Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | / self.event_sender [INFO] [stdout] 173 | | .send(SocketEvent::Open { [INFO] [stdout] 174 | | socket_id: self.id.clone(), [INFO] [stdout] 175 | | }) [INFO] [stdout] 176 | | .await; [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `TransportImpl::close` that must be used [INFO] [stdout] --> src/socket.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | self.transport_holder.transport.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket.rs:284:13 [INFO] [stdout] | [INFO] [stdout] 284 | / self.event_sender [INFO] [stdout] 285 | | .send(SocketEvent::Flush { [INFO] [stdout] 286 | | socket_id: id.clone(), [INFO] [stdout] 287 | | }) [INFO] [stdout] 288 | | .await; [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reason` [INFO] [stdout] --> src/socket.rs:363:34 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `description` [INFO] [stdout] --> src/socket.rs:363:55 [INFO] [stdout] | [INFO] [stdout] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/socket.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut holder = TransportHolder { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `remote_address` [INFO] [stdout] --> src/socket.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | remote_address: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `transport_event_sender` [INFO] [stdout] --> src/socket.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | transport_event_sender: mpsc::Sender, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket.rs:172:9 [INFO] [stdout] | [INFO] [stdout] 172 | / self.event_sender [INFO] [stdout] 173 | | .send(SocketEvent::Open { [INFO] [stdout] 174 | | socket_id: self.id.clone(), [INFO] [stdout] 175 | | }) [INFO] [stdout] 176 | | .await; [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `TransportImpl::close` that must be used [INFO] [stdout] --> src/socket.rs:187:17 [INFO] [stdout] | [INFO] [stdout] 187 | self.transport_holder.transport.close(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/socket.rs:284:13 [INFO] [stdout] | [INFO] [stdout] 284 | / self.event_sender [INFO] [stdout] 285 | | .send(SocketEvent::Flush { [INFO] [stdout] 286 | | socket_id: id.clone(), [INFO] [stdout] 287 | | }) [INFO] [stdout] 288 | | .await; [INFO] [stdout] | |_______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "f881010cf9a02f202cff1d7917ff67b952c17e2945c3bf37e489feda16b1f7f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f881010cf9a02f202cff1d7917ff67b952c17e2945c3bf37e489feda16b1f7f1", kill_on_drop: false }` [INFO] [stdout] f881010cf9a02f202cff1d7917ff67b952c17e2945c3bf37e489feda16b1f7f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e374e0207bf33b16d3b84183a253d7e47af056bc000f9dfbf2a621d567f726fa [INFO] running `Command { std: "docker" "start" "-a" "e374e0207bf33b16d3b84183a253d7e47af056bc000f9dfbf2a621d567f726fa", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `reason` [INFO] [stderr] --> src/socket.rs:363:34 [INFO] [stderr] | [INFO] [stderr] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reason` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `description` [INFO] [stderr] --> src/socket.rs:363:55 [INFO] [stderr] | [INFO] [stderr] 363 | async fn on_close(&mut self, reason: SocketError, description: &str) { [INFO] [stderr] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_description` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/socket.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut holder = TransportHolder { [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `remote_address` [INFO] [stderr] --> src/socket.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | remote_address: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `transport_event_sender` [INFO] [stderr] --> src/socket.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | transport_event_sender: mpsc::Sender, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/socket.rs:172:9 [INFO] [stderr] | [INFO] [stderr] 172 | / self.event_sender [INFO] [stderr] 173 | | .send(SocketEvent::Open { [INFO] [stderr] 174 | | socket_id: self.id.clone(), [INFO] [stderr] 175 | | }) [INFO] [stderr] 176 | | .await; [INFO] [stderr] | |___________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused return value of `TransportImpl::close` that must be used [INFO] [stderr] --> src/socket.rs:187:17 [INFO] [stderr] | [INFO] [stderr] 187 | self.transport_holder.transport.close(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/socket.rs:284:13 [INFO] [stderr] | [INFO] [stderr] 284 | / self.event_sender [INFO] [stderr] 285 | | .send(SocketEvent::Flush { [INFO] [stderr] 286 | | socket_id: id.clone(), [INFO] [stderr] 287 | | }) [INFO] [stderr] 288 | | .await; [INFO] [stderr] | |_______________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `engine_io_server` (lib) generated 8 warnings [INFO] [stderr] warning: `engine_io_server` (lib test) generated 8 warnings (8 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/engine_io_server-763c1605e509d4b0) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests engine_io_server [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e374e0207bf33b16d3b84183a253d7e47af056bc000f9dfbf2a621d567f726fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e374e0207bf33b16d3b84183a253d7e47af056bc000f9dfbf2a621d567f726fa", kill_on_drop: false }` [INFO] [stdout] e374e0207bf33b16d3b84183a253d7e47af056bc000f9dfbf2a621d567f726fa