Dec 17 14:38:43.813 INFO checking steveklabnik/password-cracker against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 14:38:43.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/steveklabnik/password-cracker:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 14:38:44.283 INFO [stdout] 1a6ce60e65275800b462f11e5527366f754aa5d160e8c7250dd4d9460d153a9f
Dec 17 14:38:44.286 INFO running `"docker" "start" "-a" "1a6ce60e65275800b462f11e5527366f754aa5d160e8c7250dd4d9460d153a9f"`
Dec 17 14:38:46.124 INFO [stderr]     Checking num_cpus v1.3.0
Dec 17 14:38:46.128 INFO [stderr]     Checking deque v0.3.1
Dec 17 14:38:46.573 INFO [stderr]     Checking rayon v0.6.0
Dec 17 14:38:48.112 INFO [stderr]     Checking password-cracker v0.1.0 (/opt/crater/workdir)
Dec 17 14:38:48.520 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
Dec 17 14:38:49.186 INFO running `"docker" "inspect" "1a6ce60e65275800b462f11e5527366f754aa5d160e8c7250dd4d9460d153a9f"`
Dec 17 14:38:49.368 INFO running `"docker" "rm" "-f" "1a6ce60e65275800b462f11e5527366f754aa5d160e8c7250dd4d9460d153a9f"`
Dec 17 14:38:49.636 INFO [stdout] 1a6ce60e65275800b462f11e5527366f754aa5d160e8c7250dd4d9460d153a9f