Dec 18 11:21:59.365 INFO checking serial-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 11:21:59.365 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/serial/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 11:21:59.652 INFO [stdout] 24e903d13bd7dded5b3369db1e5bd18575593b31840209a5d9585f24bed2fd04
Dec 18 11:21:59.658 INFO running `"docker" "start" "-a" "24e903d13bd7dded5b3369db1e5bd18575593b31840209a5d9585f24bed2fd04"`
Dec 18 11:22:00.477 INFO [stderr]     Checking serial-unix v0.4.0
Dec 18 11:22:00.748 INFO [stderr]     Checking serial v0.4.0 (/opt/crater/workdir)
Dec 18 11:22:01.388 INFO [stderr] warning: unused import: `std::io::prelude`
Dec 18 11:22:01.388 INFO [stderr]  --> examples/read_write.rs:6:5
Dec 18 11:22:01.388 INFO [stderr]   |
Dec 18 11:22:01.388 INFO [stderr] 6 | use std::io::prelude::*;
Dec 18 11:22:01.388 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 18 11:22:01.388 INFO [stderr]   |
Dec 18 11:22:01.391 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 11:22:01.391 INFO [stderr] 
Dec 18 11:22:01.430 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Dec 18 11:22:01.772 INFO running `"docker" "inspect" "24e903d13bd7dded5b3369db1e5bd18575593b31840209a5d9585f24bed2fd04"`
Dec 18 11:22:01.866 INFO running `"docker" "rm" "-f" "24e903d13bd7dded5b3369db1e5bd18575593b31840209a5d9585f24bed2fd04"`
Dec 18 11:22:02.022 INFO [stdout] 24e903d13bd7dded5b3369db1e5bd18575593b31840209a5d9585f24bed2fd04