Dec 17 21:49:36.777 INFO checking jzinedine/rust_playground against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 21:49:36.777 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/jzinedine/rust_playground:/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 21:49:37.192 INFO [stdout] b14a9d6dfa3436702979b1964ff6b0b31e1a1482a4e143234c3448ee9bda88c8
Dec 17 21:49:37.204 INFO running `"docker" "start" "-a" "b14a9d6dfa3436702979b1964ff6b0b31e1a1482a4e143234c3448ee9bda88c8"`
Dec 17 21:49:39.363 INFO [stderr]     Checking hanoi_challenge v0.1.0 (/opt/crater/workdir)
Dec 17 21:49:39.700 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 17 21:49:40.512 INFO running `"docker" "inspect" "b14a9d6dfa3436702979b1964ff6b0b31e1a1482a4e143234c3448ee9bda88c8"`
Dec 17 21:49:40.818 INFO running `"docker" "rm" "-f" "b14a9d6dfa3436702979b1964ff6b0b31e1a1482a4e143234c3448ee9bda88c8"`
Dec 17 21:49:41.104 INFO [stdout] b14a9d6dfa3436702979b1964ff6b0b31e1a1482a4e143234c3448ee9bda88c8