Dec 17 22:10:35.651 INFO checking joeyrosztoczy/rust-book-exercises against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:10:35.651 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/joeyrosztoczy/rust-book-exercises:/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 22:10:36.033 INFO [stdout] e1a255d045a8d7b8b766ee87b6532d71fc54b1f28d9162bf36be8bb1a9a31a72
Dec 17 22:10:36.036 INFO running `"docker" "start" "-a" "e1a255d045a8d7b8b766ee87b6532d71fc54b1f28d9162bf36be8bb1a9a31a72"`
Dec 17 22:10:37.552 INFO [stderr]     Checking rust-bk-exercises v0.1.0 (/opt/crater/workdir)
Dec 17 22:10:37.996 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 17 22:10:38.954 INFO running `"docker" "inspect" "e1a255d045a8d7b8b766ee87b6532d71fc54b1f28d9162bf36be8bb1a9a31a72"`
Dec 17 22:10:39.276 INFO running `"docker" "rm" "-f" "e1a255d045a8d7b8b766ee87b6532d71fc54b1f28d9162bf36be8bb1a9a31a72"`
Dec 17 22:10:39.592 INFO [stdout] e1a255d045a8d7b8b766ee87b6532d71fc54b1f28d9162bf36be8bb1a9a31a72