Nov 01 11:55:47.338 INFO checking Hevienz/mio_test against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 11:55:47.340 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 11:55:47.672 INFO blam! 366a9ef849548e9f1dc63d4855afd635b6a0834d936f6ad52b1e61bcee21085f
Nov 01 11:55:47.676 INFO running `"docker" "start" "-a" "366a9ef849548e9f1dc63d4855afd635b6a0834d936f6ad52b1e61bcee21085f"`
Nov 01 11:55:48.484 INFO kablam! usermod: no changes
Nov 01 11:55:48.561 INFO kablam!     Checking mio_test v0.1.0 (/source)
Nov 01 11:55:49.684 INFO kablam! warning: unused import: `Event`
Nov 01 11:55:49.684 INFO kablam!  --> src/main.rs:2:40
Nov 01 11:55:49.684 INFO kablam!   |
Nov 01 11:55:49.684 INFO kablam! 2 | use mio::{Token, Poll, Ready, PollOpt, Event, Events};
Nov 01 11:55:49.684 INFO kablam!   |                                        ^^^^^
Nov 01 11:55:49.684 INFO kablam!   |
Nov 01 11:55:49.684 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 11:55:49.684 INFO kablam! 
Nov 01 11:55:49.684 INFO kablam! warning: unused import: `TcpStream`
Nov 01 11:55:49.684 INFO kablam!  --> src/main.rs:3:29
Nov 01 11:55:49.684 INFO kablam!   |
Nov 01 11:55:49.684 INFO kablam! 3 | use mio::net::{TcpListener, TcpStream};
Nov 01 11:55:49.684 INFO kablam!   |                             ^^^^^^^^^
Nov 01 11:55:49.684 INFO kablam! 
Nov 01 11:55:49.684 INFO kablam! warning: unused import: `Event`
Nov 01 11:55:49.684 INFO kablam!  --> src/main.rs:2:40
Nov 01 11:55:49.684 INFO kablam!   |
Nov 01 11:55:49.684 INFO kablam! 2 | use mio::{Token, Poll, Ready, PollOpt, Event, Events};
Nov 01 11:55:49.685 INFO kablam!   |                                        ^^^^^
Nov 01 11:55:49.685 INFO kablam!   |
Nov 01 11:55:49.685 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 01 11:55:49.685 INFO kablam! 
Nov 01 11:55:49.685 INFO kablam! warning: unused import: `TcpStream`
Nov 01 11:55:49.685 INFO kablam!  --> src/main.rs:3:29
Nov 01 11:55:49.685 INFO kablam!   |
Nov 01 11:55:49.685 INFO kablam! 3 | use mio::net::{TcpListener, TcpStream};
Nov 01 11:55:49.685 INFO kablam!   |                             ^^^^^^^^^
Nov 01 11:55:49.685 INFO kablam! 
Nov 01 11:55:49.779 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:55:49.779 INFO kablam!   --> src/main.rs:98:5
Nov 01 11:55:49.779 INFO kablam!    |
Nov 01 11:55:49.779 INFO kablam! 98 |     run();
Nov 01 11:55:49.779 INFO kablam!    |     ^^^^^^
Nov 01 11:55:49.779 INFO kablam!    |
Nov 01 11:55:49.779 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 11:55:49.779 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:55:49.779 INFO kablam! 
Nov 01 11:55:49.784 INFO kablam! warning: unused `std::result::Result` that must be used
Nov 01 11:55:49.784 INFO kablam!   --> src/main.rs:98:5
Nov 01 11:55:49.784 INFO kablam!    |
Nov 01 11:55:49.784 INFO kablam! 98 |     run();
Nov 01 11:55:49.784 INFO kablam!    |     ^^^^^^
Nov 01 11:55:49.784 INFO kablam!    |
Nov 01 11:55:49.784 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Nov 01 11:55:49.784 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Nov 01 11:55:49.784 INFO kablam! 
Nov 01 11:55:49.808 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
Nov 01 11:55:49.809 INFO kablam! su: No module specific data is present
Nov 01 11:55:50.276 INFO running `"docker" "rm" "-f" "366a9ef849548e9f1dc63d4855afd635b6a0834d936f6ad52b1e61bcee21085f"`
Nov 01 11:55:50.566 INFO blam! 366a9ef849548e9f1dc63d4855afd635b6a0834d936f6ad52b1e61bcee21085f