Dec 18 10:33:01.481 INFO checking tail-reader-3.0.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:33:01.481 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/tail-reader/3.0.0:/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 10:33:01.830 INFO [stdout] a76455db07fef1d744a0aa7664118c5de9e2c106ab175f3f6d776ed22d53419e
Dec 18 10:33:01.833 INFO running `"docker" "start" "-a" "a76455db07fef1d744a0aa7664118c5de9e2c106ab175f3f6d776ed22d53419e"`
Dec 18 10:33:03.332 INFO [stderr]     Checking crossbeam-channel v0.2.6
Dec 18 10:33:03.333 INFO [stderr]     Checking pretty_env_logger v0.2.5
Dec 18 10:33:04.841 INFO [stderr]     Checking tail-reader v3.0.0 (/opt/crater/workdir)
Dec 18 10:33:06.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.27s
Dec 18 10:33:07.056 INFO running `"docker" "inspect" "a76455db07fef1d744a0aa7664118c5de9e2c106ab175f3f6d776ed22d53419e"`
Dec 18 10:33:07.360 INFO running `"docker" "rm" "-f" "a76455db07fef1d744a0aa7664118c5de9e2c106ab175f3f6d776ed22d53419e"`
Dec 18 10:33:07.716 INFO [stdout] a76455db07fef1d744a0aa7664118c5de9e2c106ab175f3f6d776ed22d53419e