Dec 18 08:12:33.563 INFO checking CasperN/mpcs_cache_emulator against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:12:33.563 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/gh/CasperN/mpcs_cache_emulator:/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 08:12:33.725 INFO [stdout] 409668704b7d9ae23b1595823c011a56b4e2c2341397cc2a5d248d3f31e8ca17
Dec 18 08:12:33.728 INFO running `"docker" "start" "-a" "409668704b7d9ae23b1595823c011a56b4e2c2341397cc2a5d248d3f31e8ca17"`
Dec 18 08:12:34.407 INFO [stderr]     Checking pretty_env_logger v0.2.0
Dec 18 08:12:34.978 INFO [stderr]     Checking cache_emulator v0.1.0 (/opt/crater/workdir)
Dec 18 08:12:36.303 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
Dec 18 08:12:36.611 INFO running `"docker" "inspect" "409668704b7d9ae23b1595823c011a56b4e2c2341397cc2a5d248d3f31e8ca17"`
Dec 18 08:12:36.714 INFO running `"docker" "rm" "-f" "409668704b7d9ae23b1595823c011a56b4e2c2341397cc2a5d248d3f31e8ca17"`
Dec 18 08:12:36.809 INFO [stdout] 409668704b7d9ae23b1595823c011a56b4e2c2341397cc2a5d248d3f31e8ca17