Dec 18 16:39:30.067 INFO checking ev3dev-lang-rust-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:39:30.067 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/ev3dev-lang-rust/0.4.0:/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 16:39:30.304 INFO [stdout] 22e38de7639ddaa443d38a8a179107fe92faede76fd8954c12ae6ca92551192e
Dec 18 16:39:30.305 INFO running `"docker" "start" "-a" "22e38de7639ddaa443d38a8a179107fe92faede76fd8954c12ae6ca92551192e"`
Dec 18 16:39:31.196 INFO [stderr]     Checking ev3dev-lang-rust v0.4.0 (/opt/crater/workdir)
Dec 18 16:39:31.508 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 16:39:31.508 INFO [stderr]   --> src/driver.rs:66:31
Dec 18 16:39:31.508 INFO [stderr]    |
Dec 18 16:39:31.508 INFO [stderr] 66 |         Ok(String::from(value.trim_right()))
Dec 18 16:39:31.508 INFO [stderr]    |                               ^^^^^^^^^^
Dec 18 16:39:31.508 INFO [stderr]    |
Dec 18 16:39:31.508 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:39:31.508 INFO [stderr] 
Dec 18 16:39:31.578 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
Dec 18 16:39:31.578 INFO [stderr]   --> src/driver.rs:66:31
Dec 18 16:39:31.578 INFO [stderr]    |
Dec 18 16:39:31.578 INFO [stderr] 66 |         Ok(String::from(value.trim_right()))
Dec 18 16:39:31.578 INFO [stderr]    |                               ^^^^^^^^^^
Dec 18 16:39:31.578 INFO [stderr]    |
Dec 18 16:39:31.578 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:39:31.578 INFO [stderr] 
Dec 18 16:39:31.810 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 18 16:39:32.138 INFO running `"docker" "inspect" "22e38de7639ddaa443d38a8a179107fe92faede76fd8954c12ae6ca92551192e"`
Dec 18 16:39:32.381 INFO running `"docker" "rm" "-f" "22e38de7639ddaa443d38a8a179107fe92faede76fd8954c12ae6ca92551192e"`
Dec 18 16:39:32.536 INFO [stdout] 22e38de7639ddaa443d38a8a179107fe92faede76fd8954c12ae6ca92551192e