Dec 17 19:53:09.887 INFO checking mboratko/rust_std_echo against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 19:53:09.887 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 19:53:10.262 INFO [stdout] 7f43b48d82765aa521720d3fb475b8c91eeee048e002fd0aec83f972ae9b3290
Dec 17 19:53:10.268 INFO running `"docker" "start" "-a" "7f43b48d82765aa521720d3fb475b8c91eeee048e002fd0aec83f972ae9b3290"`
Dec 17 19:53:11.949 INFO [stderr]     Checking rust_std_echo v0.1.0 (/opt/crater/workdir)
Dec 17 19:53:12.440 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:12.440 INFO [stderr]   --> src/bin/server.rs:23:41
Dec 17 19:53:12.440 INFO [stderr]    |
Dec 17 19:53:12.440 INFO [stderr] 23 |         let received_str = received_str.trim_right();
Dec 17 19:53:12.440 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 17 19:53:12.440 INFO [stderr]    |
Dec 17 19:53:12.456 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:12.456 INFO [stderr] 
Dec 17 19:53:12.537 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:12.537 INFO [stderr]   --> src/bin/server.rs:23:41
Dec 17 19:53:12.537 INFO [stderr]    |
Dec 17 19:53:12.537 INFO [stderr] 23 |         let received_str = received_str.trim_right();
Dec 17 19:53:12.537 INFO [stderr]    |                                         ^^^^^^^^^^
Dec 17 19:53:12.537 INFO [stderr]    |
Dec 17 19:53:12.537 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:12.537 INFO [stderr] 
Dec 17 19:53:12.588 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:12.588 INFO [stderr]   --> src/bin/client.rs:27:48
Dec 17 19:53:12.589 INFO [stderr]    |
Dec 17 19:53:12.589 INFO [stderr] 27 |         println!("Server >>> {}", received_str.trim_right());
Dec 17 19:53:12.589 INFO [stderr]    |                                                ^^^^^^^^^^
Dec 17 19:53:12.590 INFO [stderr]    |
Dec 17 19:53:12.590 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:12.590 INFO [stderr] 
Dec 17 19:53:12.616 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 17 19:53:12.617 INFO [stderr]   --> src/bin/client.rs:27:48
Dec 17 19:53:12.617 INFO [stderr]    |
Dec 17 19:53:12.617 INFO [stderr] 27 |         println!("Server >>> {}", received_str.trim_right());
Dec 17 19:53:12.617 INFO [stderr]    |                                                ^^^^^^^^^^
Dec 17 19:53:12.618 INFO [stderr]    |
Dec 17 19:53:12.618 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 17 19:53:12.618 INFO [stderr] 
Dec 17 19:53:12.709 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 17 19:53:13.888 INFO running `"docker" "inspect" "7f43b48d82765aa521720d3fb475b8c91eeee048e002fd0aec83f972ae9b3290"`
Dec 17 19:53:14.256 INFO running `"docker" "rm" "-f" "7f43b48d82765aa521720d3fb475b8c91eeee048e002fd0aec83f972ae9b3290"`
Dec 17 19:53:14.482 INFO [stdout] 7f43b48d82765aa521720d3fb475b8c91eeee048e002fd0aec83f972ae9b3290