Dec 17 12:01:23.943 INFO checking wgreenberg/rs-markov against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 12:01:23.943 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/wgreenberg/rs-markov:/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 12:01:24.478 INFO [stdout] 6d0ce8cabc0e3fbff97f69bf7c103513183b7b81f976d387861cb21a7abba315
Dec 17 12:01:24.480 INFO running `"docker" "start" "-a" "6d0ce8cabc0e3fbff97f69bf7c103513183b7b81f976d387861cb21a7abba315"`
Dec 17 12:01:26.468 INFO [stderr]     Checking libc v0.2.33
Dec 17 12:01:27.472 INFO [stderr]     Checking rand v0.3.18
Dec 17 12:01:28.736 INFO [stderr]     Checking rs-markov v0.1.0 (/opt/crater/workdir)
Dec 17 12:01:29.077 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
Dec 17 12:01:29.862 INFO running `"docker" "inspect" "6d0ce8cabc0e3fbff97f69bf7c103513183b7b81f976d387861cb21a7abba315"`
Dec 17 12:01:30.124 INFO running `"docker" "rm" "-f" "6d0ce8cabc0e3fbff97f69bf7c103513183b7b81f976d387861cb21a7abba315"`
Dec 17 12:01:30.460 INFO [stdout] 6d0ce8cabc0e3fbff97f69bf7c103513183b7b81f976d387861cb21a7abba315