[INFO] updating cached repository https://github.com/aswaving/netcat-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b7e599b2baa2d79d26bdb4efb21acb0d777ae028 [INFO] testing aswaving/netcat-rs against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faswaving%2Fnetcat-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aswaving/netcat-rs on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aswaving/netcat-rs [INFO] finished tweaking git repo https://github.com/aswaving/netcat-rs [INFO] tweaked toml for git repo https://github.com/aswaving/netcat-rs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/aswaving/netcat-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a7c31a469bf68ef1c2c71bef95fbfaa96bc86f7d2d07bfac597b03e17b03e04b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a7c31a469bf68ef1c2c71bef95fbfaa96bc86f7d2d07bfac597b03e17b03e04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a7c31a469bf68ef1c2c71bef95fbfaa96bc86f7d2d07bfac597b03e17b03e04b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c31a469bf68ef1c2c71bef95fbfaa96bc86f7d2d07bfac597b03e17b03e04b", kill_on_drop: false }` [INFO] [stdout] a7c31a469bf68ef1c2c71bef95fbfaa96bc86f7d2d07bfac597b03e17b03e04b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1091986a9b4cdcf0701657d56602114d74d9a8b1602531912b066d8c6226fc17 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1091986a9b4cdcf0701657d56602114d74d9a8b1602531912b066d8c6226fc17", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.16 [INFO] [stderr] Compiling unicode-width v0.1.3 [INFO] [stderr] Compiling strsim v0.5.1 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling unicode-segmentation v0.1.2 [INFO] [stderr] Compiling bitflags v0.7.0 [INFO] [stderr] Compiling vec_map v0.6.0 [INFO] [stderr] Compiling term_size v0.2.1 [INFO] [stderr] Compiling clap v2.13.0 [INFO] [stderr] Compiling netcat-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/iopoll.rs:169:47 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn run(&mut self, event_handler: &mut EventHandler) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EventHandler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:13:51 [INFO] [stdout] | [INFO] [stdout] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:20:53 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:21:26 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:21:54 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:26:27 [INFO] [stdout] | [INFO] [stdout] 26 | fn timeout(&mut self, event_loop: &mut EventLoop) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nr` [INFO] [stdout] --> src/iopoll.rs:195:26 [INFO] [stdout] | [INFO] [stdout] 195 | for (nr, &(fd, eventset)) in bla.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_nr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin_stream` [INFO] [stdout] --> src/iopoll.rs:248:38 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iopoll.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut result = Ok(()); [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.67s [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1091986a9b4cdcf0701657d56602114d74d9a8b1602531912b066d8c6226fc17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1091986a9b4cdcf0701657d56602114d74d9a8b1602531912b066d8c6226fc17", kill_on_drop: false }` [INFO] [stdout] 1091986a9b4cdcf0701657d56602114d74d9a8b1602531912b066d8c6226fc17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fee7836a6ec363647de8084fff1100e341d5c392add405e88120269e6e9e8bfd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "fee7836a6ec363647de8084fff1100e341d5c392add405e88120269e6e9e8bfd", kill_on_drop: false }` [INFO] [stderr] Compiling netcat-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/iopoll.rs:169:47 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn run(&mut self, event_handler: &mut EventHandler) -> Result<(), String> { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EventHandler` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SocketAddr` [INFO] [stdout] --> src/main.rs:13:51 [INFO] [stdout] | [INFO] [stdout] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:20:25 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:20:53 [INFO] [stdout] | [INFO] [stdout] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:21:26 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream_id` [INFO] [stdout] --> src/iopoll.rs:21:54 [INFO] [stdout] | [INFO] [stdout] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `event_loop` [INFO] [stdout] --> src/iopoll.rs:26:27 [INFO] [stdout] | [INFO] [stdout] 26 | fn timeout(&mut self, event_loop: &mut EventLoop) {} [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `nr` [INFO] [stdout] --> src/iopoll.rs:195:26 [INFO] [stdout] | [INFO] [stdout] 195 | for (nr, &(fd, eventset)) in bla.iter().enumerate() { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_nr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdin_stream` [INFO] [stdout] --> src/iopoll.rs:248:38 [INFO] [stdout] | [INFO] [stdout] 248 | pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token { [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/iopoll.rs:172:13 [INFO] [stdout] | [INFO] [stdout] 172 | let mut result = Ok(()); [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] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fee7836a6ec363647de8084fff1100e341d5c392add405e88120269e6e9e8bfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fee7836a6ec363647de8084fff1100e341d5c392add405e88120269e6e9e8bfd", kill_on_drop: false }` [INFO] [stdout] fee7836a6ec363647de8084fff1100e341d5c392add405e88120269e6e9e8bfd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 06c5b5037247d8a8f85f408848ee41f80dc43c4bb3fc22a85b5462e2305369a5 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "06c5b5037247d8a8f85f408848ee41f80dc43c4bb3fc22a85b5462e2305369a5", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/iopoll.rs:169:47 [INFO] [stderr] | [INFO] [stderr] 169 | pub fn run(&mut self, event_handler: &mut EventHandler) -> Result<(), String> { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EventHandler` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SocketAddr` [INFO] [stderr] --> src/main.rs:13:51 [INFO] [stderr] | [INFO] [stderr] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_loop` [INFO] [stderr] --> src/iopoll.rs:20:25 [INFO] [stderr] | [INFO] [stderr] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream_id` [INFO] [stderr] --> src/iopoll.rs:20:53 [INFO] [stderr] | [INFO] [stderr] 20 | fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_loop` [INFO] [stderr] --> src/iopoll.rs:21:26 [INFO] [stderr] | [INFO] [stderr] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stream_id` [INFO] [stderr] --> src/iopoll.rs:21:54 [INFO] [stderr] | [INFO] [stderr] 21 | fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {} [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream_id` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `event_loop` [INFO] [stderr] --> src/iopoll.rs:26:27 [INFO] [stderr] | [INFO] [stderr] 26 | fn timeout(&mut self, event_loop: &mut EventLoop) {} [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_event_loop` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `nr` [INFO] [stderr] --> src/iopoll.rs:195:26 [INFO] [stderr] | [INFO] [stderr] 195 | for (nr, &(fd, eventset)) in bla.iter().enumerate() { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_nr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `stdin_stream` [INFO] [stderr] --> src/iopoll.rs:248:38 [INFO] [stderr] | [INFO] [stderr] 248 | pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token { [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdin_stream` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/iopoll.rs:172:13 [INFO] [stderr] | [INFO] [stderr] 172 | let mut result = Ok(()); [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: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/nc-c7db76614be4099a [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "06c5b5037247d8a8f85f408848ee41f80dc43c4bb3fc22a85b5462e2305369a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06c5b5037247d8a8f85f408848ee41f80dc43c4bb3fc22a85b5462e2305369a5", kill_on_drop: false }` [INFO] [stdout] 06c5b5037247d8a8f85f408848ee41f80dc43c4bb3fc22a85b5462e2305369a5