[INFO] fetching crate engine_io_server 0.1.0... [INFO] testing engine_io_server-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate engine_io_server 0.1.0 into /workspace/builds/worker-67/source [INFO] validating manifest of crates.io crate engine_io_server 0.1.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-67/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 084cccfacfbe6f8ffc71bc1e3b21b7c8ed9f8f14cf6176885970fcf345b7aca0 [INFO] running `Command { std: "docker" "start" "-a" "084cccfacfbe6f8ffc71bc1e3b21b7c8ed9f8f14cf6176885970fcf345b7aca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "084cccfacfbe6f8ffc71bc1e3b21b7c8ed9f8f14cf6176885970fcf345b7aca0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "084cccfacfbe6f8ffc71bc1e3b21b7c8ed9f8f14cf6176885970fcf345b7aca0", kill_on_drop: false }` [INFO] [stdout] 084cccfacfbe6f8ffc71bc1e3b21b7c8ed9f8f14cf6176885970fcf345b7aca0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 526fcac18a20a8d4ba5f526a8f320b20ecf4ada8cd4df7b0264827156e841faf [INFO] running `Command { std: "docker" "start" "-a" "526fcac18a20a8d4ba5f526a8f320b20ecf4ada8cd4df7b0264827156e841faf", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling futures-util v0.3.18 [INFO] [stderr] Compiling futures-sink v0.3.18 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling futures-io v0.3.18 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling pin-project-lite v0.1.12 [INFO] [stderr] Compiling strum v0.18.0 [INFO] [stderr] Compiling engine_io_parser v0.2.0 [INFO] [stderr] Compiling tokio v0.2.25 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling futures-macro v0.3.18 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling strum_macros v0.18.0 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling futures-executor v0.3.18 [INFO] [stderr] Compiling futures v0.3.18 [INFO] [stderr] Compiling serde_json v1.0.72 [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 23.18s [INFO] running `Command { std: "docker" "inspect" "526fcac18a20a8d4ba5f526a8f320b20ecf4ada8cd4df7b0264827156e841faf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "526fcac18a20a8d4ba5f526a8f320b20ecf4ada8cd4df7b0264827156e841faf", kill_on_drop: false }` [INFO] [stdout] 526fcac18a20a8d4ba5f526a8f320b20ecf4ada8cd4df7b0264827156e841faf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f383e4decfaff36430066100ac63749c398e71bfde459b26e17c8e1c7c390de [INFO] running `Command { std: "docker" "start" "-a" "5f383e4decfaff36430066100ac63749c398e71bfde459b26e17c8e1c7c390de", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] [stderr] Compiling engine_io_server v0.1.0 (/opt/rustwide/workdir) [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 1.04s [INFO] running `Command { std: "docker" "inspect" "5f383e4decfaff36430066100ac63749c398e71bfde459b26e17c8e1c7c390de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f383e4decfaff36430066100ac63749c398e71bfde459b26e17c8e1c7c390de", kill_on_drop: false }` [INFO] [stdout] 5f383e4decfaff36430066100ac63749c398e71bfde459b26e17c8e1c7c390de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 69b4c0ccf20c9df10faec8c7b7e0e178a8f47044a7bd6ff02d1196a6e48a3520 [INFO] running `Command { std: "docker" "start" "-a" "69b4c0ccf20c9df10faec8c7b7e0e178a8f47044a7bd6ff02d1196a6e48a3520", 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 0.57s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/engine_io_server-68774416f1cbe943) [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" "69b4c0ccf20c9df10faec8c7b7e0e178a8f47044a7bd6ff02d1196a6e48a3520", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69b4c0ccf20c9df10faec8c7b7e0e178a8f47044a7bd6ff02d1196a6e48a3520", kill_on_drop: false }` [INFO] [stdout] 69b4c0ccf20c9df10faec8c7b7e0e178a8f47044a7bd6ff02d1196a6e48a3520