Dec 18 03:44:49.484 INFO checking aswaving/netcat-rs against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:44:49.484 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:44:49.726 INFO [stdout] b01bfe0342e3069883f76059605810ce4b9d0abbb19c2ea08e902db0c16c481e
Dec 18 03:44:49.728 INFO running `"docker" "start" "-a" "b01bfe0342e3069883f76059605810ce4b9d0abbb19c2ea08e902db0c16c481e"`
Dec 18 03:44:50.881 INFO [stderr]     Checking term_size v0.2.1
Dec 18 03:44:51.144 INFO [stderr]     Checking clap v2.13.0
Dec 18 03:44:54.641 INFO [stderr]     Checking netcat-rs v0.1.0 (/opt/crater/workdir)
Dec 18 03:44:54.890 INFO [stderr] warning: unused import: `SocketAddr`
Dec 18 03:44:54.890 INFO [stderr]   --> src/main.rs:13:51
Dec 18 03:44:54.890 INFO [stderr]    |
Dec 18 03:44:54.890 INFO [stderr] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr};
Dec 18 03:44:54.890 INFO [stderr]    |                                                   ^^^^^^^^^^
Dec 18 03:44:54.890 INFO [stderr]    |
Dec 18 03:44:54.890 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:44:54.890 INFO [stderr] 
Dec 18 03:44:54.923 INFO [stderr] warning: unused import: `SocketAddr`
Dec 18 03:44:54.923 INFO [stderr]   --> src/main.rs:13:51
Dec 18 03:44:54.923 INFO [stderr]    |
Dec 18 03:44:54.923 INFO [stderr] 13 | use std::net::{TcpStream, TcpListener, UdpSocket, SocketAddr};
Dec 18 03:44:54.923 INFO [stderr]    |                                                   ^^^^^^^^^^
Dec 18 03:44:54.923 INFO [stderr]    |
Dec 18 03:44:54.923 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:44:54.923 INFO [stderr] 
Dec 18 03:44:54.996 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 03:44:54.996 INFO [stderr]   --> src/iopoll.rs:20:25
Dec 18 03:44:54.996 INFO [stderr]    |
Dec 18 03:44:54.996 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:54.996 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 03:44:54.996 INFO [stderr]    |
Dec 18 03:44:54.996 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 03:44:54.996 INFO [stderr] 
Dec 18 03:44:54.996 INFO [stderr] warning: unused variable: `stream_id`
Dec 18 03:44:54.996 INFO [stderr]   --> src/iopoll.rs:20:53
Dec 18 03:44:54.996 INFO [stderr]    |
Dec 18 03:44:54.996 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:54.996 INFO [stderr]    |                                                     ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 18 03:44:54.996 INFO [stderr] 
Dec 18 03:44:54.996 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 03:44:54.996 INFO [stderr]   --> src/iopoll.rs:21:26
Dec 18 03:44:54.996 INFO [stderr]    |
Dec 18 03:44:54.996 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:54.996 INFO [stderr]    |                          ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 03:44:54.997 INFO [stderr] 
Dec 18 03:44:54.997 INFO [stderr] warning: unused variable: `stream_id`
Dec 18 03:44:54.997 INFO [stderr]   --> src/iopoll.rs:21:54
Dec 18 03:44:54.997 INFO [stderr]    |
Dec 18 03:44:54.997 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:54.997 INFO [stderr]    |                                                      ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 18 03:44:54.997 INFO [stderr] 
Dec 18 03:44:54.997 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 03:44:54.997 INFO [stderr]   --> src/iopoll.rs:26:27
Dec 18 03:44:54.997 INFO [stderr]    |
Dec 18 03:44:54.997 INFO [stderr] 26 |     fn timeout(&mut self, event_loop: &mut EventLoop) {}
Dec 18 03:44:54.997 INFO [stderr]    |                           ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 03:44:54.997 INFO [stderr] 
Dec 18 03:44:54.997 INFO [stderr] warning: unused variable: `nr`
Dec 18 03:44:54.997 INFO [stderr]    --> src/iopoll.rs:195:26
Dec 18 03:44:54.997 INFO [stderr]     |
Dec 18 03:44:54.997 INFO [stderr] 195 |                     for (nr, &(fd, eventset)) in bla.iter().enumerate() {
Dec 18 03:44:54.997 INFO [stderr]     |                          ^^ help: consider using `_nr` instead
Dec 18 03:44:54.997 INFO [stderr] 
Dec 18 03:44:54.997 INFO [stderr] warning: unused variable: `stdin_stream`
Dec 18 03:44:54.997 INFO [stderr]    --> src/iopoll.rs:248:38
Dec 18 03:44:54.997 INFO [stderr]     |
Dec 18 03:44:54.997 INFO [stderr] 248 |     pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token {
Dec 18 03:44:54.997 INFO [stderr]     |                                      ^^^^^^^^^^^^ help: consider using `_stdin_stream` instead
Dec 18 03:44:54.997 INFO [stderr] 
Dec 18 03:44:55.029 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 03:44:55.029 INFO [stderr]   --> src/iopoll.rs:20:25
Dec 18 03:44:55.029 INFO [stderr]    |
Dec 18 03:44:55.029 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:55.029 INFO [stderr]    |                         ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 03:44:55.029 INFO [stderr]    |
Dec 18 03:44:55.029 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 03:44:55.029 INFO [stderr] 
Dec 18 03:44:55.029 INFO [stderr] warning: unused variable: `stream_id`
Dec 18 03:44:55.029 INFO [stderr]   --> src/iopoll.rs:20:53
Dec 18 03:44:55.029 INFO [stderr]    |
Dec 18 03:44:55.029 INFO [stderr] 20 |     fn error(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:55.029 INFO [stderr]    |                                                     ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 18 03:44:55.029 INFO [stderr] 
Dec 18 03:44:55.029 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 03:44:55.029 INFO [stderr]   --> src/iopoll.rs:21:26
Dec 18 03:44:55.029 INFO [stderr]    |
Dec 18 03:44:55.029 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:55.029 INFO [stderr]    |                          ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 03:44:55.029 INFO [stderr] 
Dec 18 03:44:55.029 INFO [stderr] warning: unused variable: `stream_id`
Dec 18 03:44:55.029 INFO [stderr]   --> src/iopoll.rs:21:54
Dec 18 03:44:55.029 INFO [stderr]    |
Dec 18 03:44:55.029 INFO [stderr] 21 |     fn hangup(&mut self, event_loop: &mut EventLoop, stream_id: Token) {}
Dec 18 03:44:55.029 INFO [stderr]    |                                                      ^^^^^^^^^ help: consider using `_stream_id` instead
Dec 18 03:44:55.029 INFO [stderr] 
Dec 18 03:44:55.029 INFO [stderr] warning: unused variable: `event_loop`
Dec 18 03:44:55.029 INFO [stderr]   --> src/iopoll.rs:26:27
Dec 18 03:44:55.029 INFO [stderr]    |
Dec 18 03:44:55.029 INFO [stderr] 26 |     fn timeout(&mut self, event_loop: &mut EventLoop) {}
Dec 18 03:44:55.029 INFO [stderr]    |                           ^^^^^^^^^^ help: consider using `_event_loop` instead
Dec 18 03:44:55.029 INFO [stderr] 
Dec 18 03:44:55.029 INFO [stderr] warning: unused variable: `nr`
Dec 18 03:44:55.029 INFO [stderr]    --> src/iopoll.rs:195:26
Dec 18 03:44:55.029 INFO [stderr]     |
Dec 18 03:44:55.029 INFO [stderr] 195 |                     for (nr, &(fd, eventset)) in bla.iter().enumerate() {
Dec 18 03:44:55.029 INFO [stderr]     |                          ^^ help: consider using `_nr` instead
Dec 18 03:44:55.029 INFO [stderr] 
Dec 18 03:44:55.029 INFO [stderr] warning: unused variable: `stdin_stream`
Dec 18 03:44:55.029 INFO [stderr]    --> src/iopoll.rs:248:38
Dec 18 03:44:55.029 INFO [stderr]     |
Dec 18 03:44:55.029 INFO [stderr] 248 |     pub fn register_stdin(&mut self, stdin_stream: &Stdin) -> Token {
Dec 18 03:44:55.029 INFO [stderr]     |                                      ^^^^^^^^^^^^ help: consider using `_stdin_stream` instead
Dec 18 03:44:55.029 INFO [stderr] 
Dec 18 03:44:55.030 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:44:55.030 INFO [stderr]    --> src/iopoll.rs:172:13
Dec 18 03:44:55.030 INFO [stderr]     |
Dec 18 03:44:55.030 INFO [stderr] 172 |         let mut result = Ok(());
Dec 18 03:44:55.030 INFO [stderr]     |             ----^^^^^^
Dec 18 03:44:55.030 INFO [stderr]     |             |
Dec 18 03:44:55.030 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:44:55.030 INFO [stderr]     |
Dec 18 03:44:55.030 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:44:55.030 INFO [stderr] 
Dec 18 03:44:55.067 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:44:55.067 INFO [stderr]    --> src/iopoll.rs:172:13
Dec 18 03:44:55.067 INFO [stderr]     |
Dec 18 03:44:55.067 INFO [stderr] 172 |         let mut result = Ok(());
Dec 18 03:44:55.067 INFO [stderr]     |             ----^^^^^^
Dec 18 03:44:55.067 INFO [stderr]     |             |
Dec 18 03:44:55.067 INFO [stderr]     |             help: remove this `mut`
Dec 18 03:44:55.067 INFO [stderr]     |
Dec 18 03:44:55.067 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:44:55.067 INFO [stderr] 
Dec 18 03:44:55.098 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
Dec 18 03:44:55.513 INFO running `"docker" "inspect" "b01bfe0342e3069883f76059605810ce4b9d0abbb19c2ea08e902db0c16c481e"`
Dec 18 03:44:55.594 INFO running `"docker" "rm" "-f" "b01bfe0342e3069883f76059605810ce4b9d0abbb19c2ea08e902db0c16c481e"`
Dec 18 03:44:55.728 INFO [stdout] b01bfe0342e3069883f76059605810ce4b9d0abbb19c2ea08e902db0c16c481e