Dec 19 20:15:08.952 INFO checking aswaving/netcat-rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:15:08.952 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/aswaving/netcat-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 20:15:09.281 INFO [stdout] 51feb715b582dc7fa4bca3641c7fbdefe9afa52d5eadcabd982ae48b77e9cf1a
Dec 19 20:15:09.286 INFO running `"docker" "start" "-a" "51feb715b582dc7fa4bca3641c7fbdefe9afa52d5eadcabd982ae48b77e9cf1a"`
Dec 19 20:15:10.204 INFO [stderr]     Checking clap v2.13.0
Dec 19 20:15:13.672 INFO [stderr]     Checking netcat-rs v0.1.0 (/opt/crater/workdir)
Dec 19 20:15:13.924 INFO [stderr] warning: unused import: `SocketAddr`
Dec 19 20:15:13.924 INFO [stderr]   --> src/main.rs:13:51
Dec 19 20:15:13.924 INFO [stderr]    |
Dec 19 20:15:13.924 INFO [stderr] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr};
Dec 19 20:15:13.924 INFO [stderr]    |                                                   ^^^^^^^^^^
Dec 19 20:15:13.924 INFO [stderr]    |
Dec 19 20:15:13.924 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:15:13.924 INFO [stderr] 
Dec 19 20:15:13.948 INFO [stderr] warning: unused import: `SocketAddr`
Dec 19 20:15:13.948 INFO [stderr]   --> src/main.rs:13:51
Dec 19 20:15:13.948 INFO [stderr]    |
Dec 19 20:15:13.948 INFO [stderr] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr};
Dec 19 20:15:13.948 INFO [stderr]    |                                                   ^^^^^^^^^^
Dec 19 20:15:13.948 INFO [stderr]    |
Dec 19 20:15:13.948 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 20:15:13.948 INFO [stderr] 
Dec 19 20:15:14.027 INFO [stderr] warning: unused variable: `event_loop`
Dec 19 20:15:14.027 INFO [stderr]   --> src/iopoll.rs:20:25
Dec 19 20:15:14.027 INFO [stderr]    |
Dec 19 20:15:14.027 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.027 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 19 20:15:14.027 INFO [stderr]    |
Dec 19 20:15:14.027 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:15:14.027 INFO [stderr] 
Dec 19 20:15:14.028 INFO [stderr] warning: unused variable: `stream_id`
Dec 19 20:15:14.028 INFO [stderr]   --> src/iopoll.rs:20:53
Dec 19 20:15:14.028 INFO [stderr]    |
Dec 19 20:15:14.028 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.028 INFO [stderr]    |                                                     ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 19 20:15:14.028 INFO [stderr] 
Dec 19 20:15:14.028 INFO [stderr] warning: unused variable: `event_loop`
Dec 19 20:15:14.028 INFO [stderr]   --> src/iopoll.rs:21:26
Dec 19 20:15:14.028 INFO [stderr]    |
Dec 19 20:15:14.028 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.028 INFO [stderr]    |                          ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 19 20:15:14.028 INFO [stderr] 
Dec 19 20:15:14.028 INFO [stderr] warning: unused variable: `stream_id`
Dec 19 20:15:14.028 INFO [stderr]   --> src/iopoll.rs:21:54
Dec 19 20:15:14.028 INFO [stderr]    |
Dec 19 20:15:14.028 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.028 INFO [stderr]    |                                                      ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 19 20:15:14.028 INFO [stderr] 
Dec 19 20:15:14.028 INFO [stderr] warning: unused variable: `event_loop`
Dec 19 20:15:14.028 INFO [stderr]   --> src/iopoll.rs:26:27
Dec 19 20:15:14.028 INFO [stderr]    |
Dec 19 20:15:14.028 INFO [stderr] 26 |     fn timeout(&mut self, event_loop: &mut EventLoop) {}
Dec 19 20:15:14.028 INFO [stderr]    |                           ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 19 20:15:14.028 INFO [stderr] 
Dec 19 20:15:14.029 INFO [stderr] warning: unused variable: `nr`
Dec 19 20:15:14.029 INFO [stderr]    --> src/iopoll.rs:195:26
Dec 19 20:15:14.029 INFO [stderr]     |
Dec 19 20:15:14.029 INFO [stderr] 195 |                     for (nr, &(fd, eventset)) in bla.iter().enumerate() {
Dec 19 20:15:14.029 INFO [stderr]     |                          ^^ help: consider using `_nr` instead
Dec 19 20:15:14.029 INFO [stderr] 
Dec 19 20:15:14.032 INFO [stderr] warning: unused variable: `stdin_stream`
Dec 19 20:15:14.032 INFO [stderr]    --> src/iopoll.rs:248:38
Dec 19 20:15:14.032 INFO [stderr]     |
Dec 19 20:15:14.032 INFO [stderr] 248 |     pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token {
Dec 19 20:15:14.032 INFO [stderr]     |                                      ^^^^^^^^^^^^ help: consider using `_stdin_stream` instead
Dec 19 20:15:14.032 INFO [stderr] 
Dec 19 20:15:14.068 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:15:14.068 INFO [stderr]    --> src/iopoll.rs:172:13
Dec 19 20:15:14.068 INFO [stderr]     |
Dec 19 20:15:14.068 INFO [stderr] 172 |         let mut result = Ok(());
Dec 19 20:15:14.068 INFO [stderr]     |             ----^^^^^^
Dec 19 20:15:14.068 INFO [stderr]     |             |
Dec 19 20:15:14.068 INFO [stderr]     |             help: remove this `mut`
Dec 19 20:15:14.068 INFO [stderr]     |
Dec 19 20:15:14.068 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:15:14.068 INFO [stderr] 
Dec 19 20:15:14.076 INFO [stderr] warning: unused variable: `event_loop`
Dec 19 20:15:14.076 INFO [stderr]   --> src/iopoll.rs:20:25
Dec 19 20:15:14.076 INFO [stderr]    |
Dec 19 20:15:14.076 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.076 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 19 20:15:14.076 INFO [stderr]    |
Dec 19 20:15:14.076 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 20:15:14.076 INFO [stderr] 
Dec 19 20:15:14.076 INFO [stderr] warning: unused variable: `stream_id`
Dec 19 20:15:14.076 INFO [stderr]   --> src/iopoll.rs:20:53
Dec 19 20:15:14.076 INFO [stderr]    |
Dec 19 20:15:14.076 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.076 INFO [stderr]    |                                                     ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 19 20:15:14.076 INFO [stderr] 
Dec 19 20:15:14.076 INFO [stderr] warning: unused variable: `event_loop`
Dec 19 20:15:14.076 INFO [stderr]   --> src/iopoll.rs:21:26
Dec 19 20:15:14.076 INFO [stderr]    |
Dec 19 20:15:14.076 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.076 INFO [stderr]    |                          ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 19 20:15:14.076 INFO [stderr] 
Dec 19 20:15:14.076 INFO [stderr] warning: unused variable: `stream_id`
Dec 19 20:15:14.076 INFO [stderr]   --> src/iopoll.rs:21:54
Dec 19 20:15:14.076 INFO [stderr]    |
Dec 19 20:15:14.076 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 19 20:15:14.076 INFO [stderr]    |                                                      ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 19 20:15:14.076 INFO [stderr] 
Dec 19 20:15:14.076 INFO [stderr] warning: unused variable: `event_loop`
Dec 19 20:15:14.076 INFO [stderr]   --> src/iopoll.rs:26:27
Dec 19 20:15:14.076 INFO [stderr]    |
Dec 19 20:15:14.076 INFO [stderr] 26 |     fn timeout(&mut self, event_loop: &mut EventLoop) {}
Dec 19 20:15:14.076 INFO [stderr]    |                           ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 19 20:15:14.076 INFO [stderr] 
Dec 19 20:15:14.080 INFO [stderr] warning: unused variable: `nr`
Dec 19 20:15:14.080 INFO [stderr]    --> src/iopoll.rs:195:26
Dec 19 20:15:14.080 INFO [stderr]     |
Dec 19 20:15:14.080 INFO [stderr] 195 |                     for (nr, &(fd, eventset)) in bla.iter().enumerate() {
Dec 19 20:15:14.080 INFO [stderr]     |                          ^^ help: consider using `_nr` instead
Dec 19 20:15:14.080 INFO [stderr] 
Dec 19 20:15:14.080 INFO [stderr] warning: unused variable: `stdin_stream`
Dec 19 20:15:14.080 INFO [stderr]    --> src/iopoll.rs:248:38
Dec 19 20:15:14.080 INFO [stderr]     |
Dec 19 20:15:14.080 INFO [stderr] 248 |     pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token {
Dec 19 20:15:14.080 INFO [stderr]     |                                      ^^^^^^^^^^^^ help: consider using `_stdin_stream` instead
Dec 19 20:15:14.080 INFO [stderr] 
Dec 19 20:15:14.112 INFO [stderr] warning: variable does not need to be mutable
Dec 19 20:15:14.112 INFO [stderr]    --> src/iopoll.rs:172:13
Dec 19 20:15:14.112 INFO [stderr]     |
Dec 19 20:15:14.112 INFO [stderr] 172 |         let mut result = Ok(());
Dec 19 20:15:14.112 INFO [stderr]     |             ----^^^^^^
Dec 19 20:15:14.112 INFO [stderr]     |             |
Dec 19 20:15:14.112 INFO [stderr]     |             help: remove this `mut`
Dec 19 20:15:14.112 INFO [stderr]     |
Dec 19 20:15:14.112 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 20:15:14.112 INFO [stderr] 
Dec 19 20:15:14.148 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.03s
Dec 19 20:15:14.446 INFO running `"docker" "inspect" "51feb715b582dc7fa4bca3641c7fbdefe9afa52d5eadcabd982ae48b77e9cf1a"`
Dec 19 20:15:14.562 INFO running `"docker" "rm" "-f" "51feb715b582dc7fa4bca3641c7fbdefe9afa52d5eadcabd982ae48b77e9cf1a"`
Dec 19 20:15:14.668 INFO [stdout] 51feb715b582dc7fa4bca3641c7fbdefe9afa52d5eadcabd982ae48b77e9cf1a