Dec 17 19:53:10.195 INFO checking mboratko/rust_std_echo against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 19:53:10.196 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/mboratko/rust_std_echo:/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 17 19:53:10.676 INFO [stdout] 688ae3d005ddd9aba02449c65fc5ab8afa1bc7bd2f585758c6cde0a9c4df637a
Dec 17 19:53:10.678 INFO running `"docker" "start" "-a" "688ae3d005ddd9aba02449c65fc5ab8afa1bc7bd2f585758c6cde0a9c4df637a"`
Dec 17 19:53:12.587 INFO [stderr]     Checking rust_std_echo v0.1.0 (/opt/crater/workdir)
Dec 17 19:53:13.112 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:13.112 INFO [stderr]   --> src/bin/client.rs:27:48
Dec 17 19:53:13.112 INFO [stderr]    |
Dec 17 19:53:13.112 INFO [stderr] 27 |         println!("Server >>> {}", received_str.trim_right());
Dec 17 19:53:13.112 INFO [stderr]    |                                                ^^^^^^^^^^
Dec 17 19:53:13.112 INFO [stderr]    |
Dec 17 19:53:13.112 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:13.112 INFO [stderr] 
Dec 17 19:53:13.212 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:13.212 INFO [stderr]   --> src/bin/server.rs:23:41
Dec 17 19:53:13.212 INFO [stderr]    |
Dec 17 19:53:13.212 INFO [stderr] 23 |         let received_str = received_str.trim_right();
Dec 17 19:53:13.212 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 17 19:53:13.212 INFO [stderr]    |
Dec 17 19:53:13.212 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:13.212 INFO [stderr] 
Dec 17 19:53:13.224 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:13.224 INFO [stderr]   --> src/bin/server.rs:23:41
Dec 17 19:53:13.224 INFO [stderr]    |
Dec 17 19:53:13.224 INFO [stderr] 23 |         let received_str = received_str.trim_right();
Dec 17 19:53:13.224 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 17 19:53:13.224 INFO [stderr]    |
Dec 17 19:53:13.224 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:13.224 INFO [stderr] 
Dec 17 19:53:13.248 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:13.248 INFO [stderr]   --> src/bin/client.rs:27:48
Dec 17 19:53:13.248 INFO [stderr]    |
Dec 17 19:53:13.248 INFO [stderr] 27 |         println!("Server >>> {}", received_str.trim_right());
Dec 17 19:53:13.248 INFO [stderr]    |                                                ^^^^^^^^^^
Dec 17 19:53:13.248 INFO [stderr]    |
Dec 17 19:53:13.248 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:13.248 INFO [stderr] 
Dec 17 19:53:13.365 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 17 19:53:14.214 INFO running `"docker" "inspect" "688ae3d005ddd9aba02449c65fc5ab8afa1bc7bd2f585758c6cde0a9c4df637a"`
Dec 17 19:53:14.614 INFO running `"docker" "rm" "-f" "688ae3d005ddd9aba02449c65fc5ab8afa1bc7bd2f585758c6cde0a9c4df637a"`
Dec 17 19:53:15.036 INFO [stdout] 688ae3d005ddd9aba02449c65fc5ab8afa1bc7bd2f585758c6cde0a9c4df637a