Dec 17 22:01:57.543 INFO checking jrvidal/r5.rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:01:57.543 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jrvidal/r5.rs:/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 22:01:57.950 INFO [stdout] beba8ba0c741783914c6d13243ff032333c65245260edf8634c6945e34dad5a7
Dec 17 22:01:57.952 INFO running `"docker" "start" "-a" "beba8ba0c741783914c6d13243ff032333c65245260edf8634c6945e34dad5a7"`
Dec 17 22:01:59.192 INFO [stderr]     Checking gc v0.3.2
Dec 17 22:01:59.196 INFO [stderr]     Checking atty v0.2.10
Dec 17 22:01:59.214 INFO [stderr]     Checking regex v1.0.0
Dec 17 22:02:02.737 INFO [stderr]     Checking env_logger v0.5.10
Dec 17 22:02:03.524 INFO [stderr]     Checking r5rs v0.2.0 (/opt/crater/workdir)
Dec 17 22:02:09.197 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.16s
Dec 17 22:02:10.052 INFO running `"docker" "inspect" "beba8ba0c741783914c6d13243ff032333c65245260edf8634c6945e34dad5a7"`
Dec 17 22:02:10.390 INFO running `"docker" "rm" "-f" "beba8ba0c741783914c6d13243ff032333c65245260edf8634c6945e34dad5a7"`
Dec 17 22:02:10.573 INFO [stdout] beba8ba0c741783914c6d13243ff032333c65245260edf8634c6945e34dad5a7