Dec 05 02:08:05.210 INFO checking Hevienz/mio_test against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:08:05.210 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 02:08:05.401 INFO [stdout] 669c4af8e1f6c4d515876fa7542add48583a88fe3fdcc4fae86cea2734feede7
Dec 05 02:08:05.403 INFO running `"docker" "start" "-a" "669c4af8e1f6c4d515876fa7542add48583a88fe3fdcc4fae86cea2734feede7"`
Dec 05 02:08:05.946 INFO [stderr] usermod: no changes
Dec 05 02:08:06.031 INFO [stderr]     Checking mio_test v0.1.0 (/source)
Dec 05 02:08:06.731 INFO [stderr] warning: unused import: `Event`
Dec 05 02:08:06.731 INFO [stderr]  --> src/main.rs:2:40
Dec 05 02:08:06.731 INFO [stderr]   |
Dec 05 02:08:06.731 INFO [stderr] 2 | use mio::{Token, Poll, Ready, PollOpt, Event, Events};
Dec 05 02:08:06.731 INFO [stderr]   |                                        ^^^^^
Dec 05 02:08:06.731 INFO [stderr]   |
Dec 05 02:08:06.731 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:08:06.731 INFO [stderr] 
Dec 05 02:08:06.731 INFO [stderr] warning: unused import: `TcpStream`
Dec 05 02:08:06.731 INFO [stderr]  --> src/main.rs:3:29
Dec 05 02:08:06.731 INFO [stderr]   |
Dec 05 02:08:06.731 INFO [stderr] 3 | use mio::net::{TcpListener, TcpStream};
Dec 05 02:08:06.731 INFO [stderr]   |                             ^^^^^^^^^
Dec 05 02:08:06.731 INFO [stderr] 
Dec 05 02:08:06.804 INFO [stderr] warning: unused import: `Event`
Dec 05 02:08:06.804 INFO [stderr]  --> src/main.rs:2:40
Dec 05 02:08:06.804 INFO [stderr]   |
Dec 05 02:08:06.804 INFO [stderr] 2 | use mio::{Token, Poll, Ready, PollOpt, Event, Events};
Dec 05 02:08:06.804 INFO [stderr]   |                                        ^^^^^
Dec 05 02:08:06.804 INFO [stderr]   |
Dec 05 02:08:06.804 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 02:08:06.804 INFO [stderr] 
Dec 05 02:08:06.804 INFO [stderr] warning: unused import: `TcpStream`
Dec 05 02:08:06.804 INFO [stderr]  --> src/main.rs:3:29
Dec 05 02:08:06.804 INFO [stderr]   |
Dec 05 02:08:06.804 INFO [stderr] 3 | use mio::net::{TcpListener, TcpStream};
Dec 05 02:08:06.804 INFO [stderr]   |                             ^^^^^^^^^
Dec 05 02:08:06.804 INFO [stderr] 
Dec 05 02:08:06.831 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:08:06.831 INFO [stderr]   --> src/main.rs:98:5
Dec 05 02:08:06.831 INFO [stderr]    |
Dec 05 02:08:06.831 INFO [stderr] 98 |     run();
Dec 05 02:08:06.831 INFO [stderr]    |     ^^^^^^
Dec 05 02:08:06.831 INFO [stderr]    |
Dec 05 02:08:06.831 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 02:08:06.831 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:08:06.831 INFO [stderr] 
Dec 05 02:08:06.875 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 05 02:08:06.875 INFO [stderr]   --> src/main.rs:98:5
Dec 05 02:08:06.875 INFO [stderr]    |
Dec 05 02:08:06.875 INFO [stderr] 98 |     run();
Dec 05 02:08:06.875 INFO [stderr]    |     ^^^^^^
Dec 05 02:08:06.875 INFO [stderr]    |
Dec 05 02:08:06.875 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 05 02:08:06.875 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 05 02:08:06.875 INFO [stderr] 
Dec 05 02:08:06.885 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 05 02:08:06.889 INFO [stderr] su: No module specific data is present
Dec 05 02:08:07.392 INFO running `"docker" "inspect" "669c4af8e1f6c4d515876fa7542add48583a88fe3fdcc4fae86cea2734feede7"`
Dec 05 02:08:07.533 INFO running `"docker" "rm" "-f" "669c4af8e1f6c4d515876fa7542add48583a88fe3fdcc4fae86cea2734feede7"`
Dec 05 02:08:07.626 INFO [stdout] 669c4af8e1f6c4d515876fa7542add48583a88fe3fdcc4fae86cea2734feede7