Dec 18 10:57:33.428 INFO checking sparse-bitfield-0.8.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 10:57:33.428 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/reg/sparse-bitfield/0.8.1:/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 10:57:33.636 INFO [stdout] 1d96c3a95aab1fc3093633d357c6324c1007eace0e3092c39bdabbfae2790c72
Dec 18 10:57:33.642 INFO running `"docker" "start" "-a" "1d96c3a95aab1fc3093633d357c6324c1007eace0e3092c39bdabbfae2790c72"`
Dec 18 10:57:34.414 INFO [stderr]     Checking proptest v0.6.0
Dec 18 10:57:34.414 INFO [stderr]     Checking memory-pager v0.8.0
Dec 18 10:57:34.958 INFO [stderr]     Checking sparse-bitfield v0.8.1 (/opt/crater/workdir)
Dec 18 10:57:42.990 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.63s
Dec 18 10:57:43.463 INFO running `"docker" "inspect" "1d96c3a95aab1fc3093633d357c6324c1007eace0e3092c39bdabbfae2790c72"`
Dec 18 10:57:43.701 INFO running `"docker" "rm" "-f" "1d96c3a95aab1fc3093633d357c6324c1007eace0e3092c39bdabbfae2790c72"`
Dec 18 10:57:43.904 INFO [stdout] 1d96c3a95aab1fc3093633d357c6324c1007eace0e3092c39bdabbfae2790c72