Dec 18 08:39:29.556 INFO checking AlexeyErzyamkin/game-servers against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:39:29.556 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/AlexeyErzyamkin/game-servers:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:39:30.082 INFO [stdout] 222a9f0134f8dfedb5112a690700944bb2dba2b7b49479b0df95488cbbdd71ce
Dec 18 08:39:30.084 INFO running `"docker" "start" "-a" "222a9f0134f8dfedb5112a690700944bb2dba2b7b49479b0df95488cbbdd71ce"`
Dec 18 08:39:31.704 INFO [stderr]     Checking game-servers v0.1.0 (/opt/crater/workdir)
Dec 18 08:39:32.034 INFO [stderr] warning: unused import: `std::option::Option`
Dec 18 08:39:32.034 INFO [stderr]  --> src/echo/connection.rs:1:5
Dec 18 08:39:32.034 INFO [stderr]   |
Dec 18 08:39:32.034 INFO [stderr] 1 | use std::option::Option;
Dec 18 08:39:32.034 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:39:32.034 INFO [stderr]   |
Dec 18 08:39:32.034 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:39:32.034 INFO [stderr] 
Dec 18 08:39:32.034 INFO [stderr] warning: unused imports: `ErrorKind`, `Error`
Dec 18 08:39:32.034 INFO [stderr]  --> src/echo/connection.rs:3:28
Dec 18 08:39:32.034 INFO [stderr]   |
Dec 18 08:39:32.034 INFO [stderr] 3 | use std::io::{Read, Write, Error, ErrorKind};
Dec 18 08:39:32.034 INFO [stderr]   |                            ^^^^^  ^^^^^^^^^
Dec 18 08:39:32.034 INFO [stderr] 
Dec 18 08:39:32.272 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 18 08:39:33.064 INFO running `"docker" "inspect" "222a9f0134f8dfedb5112a690700944bb2dba2b7b49479b0df95488cbbdd71ce"`
Dec 18 08:39:33.266 INFO running `"docker" "rm" "-f" "222a9f0134f8dfedb5112a690700944bb2dba2b7b49479b0df95488cbbdd71ce"`
Dec 18 08:39:33.584 INFO [stdout] 222a9f0134f8dfedb5112a690700944bb2dba2b7b49479b0df95488cbbdd71ce