Dec 18 14:36:57.543 INFO checking kv-0.7.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 14:36:57.543 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/kv/0.7.0:/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 18 14:36:57.764 INFO [stdout] 2316e3b04b79e78849dd967ca2264b42e0cda9b3f7c6202e45a024f4edb9a390
Dec 18 14:36:57.766 INFO running `"docker" "start" "-a" "2316e3b04b79e78849dd967ca2264b42e0cda9b3f7c6202e45a024f4edb9a390"`
Dec 18 14:36:58.584 INFO [stderr]    Compiling lmdb-sys v0.8.0
Dec 18 14:37:02.595 INFO [stderr]     Checking lmdb v0.8.0
Dec 18 14:37:03.208 INFO [stderr]     Checking kv v0.7.0 (/opt/crater/workdir)
Dec 18 14:37:04.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.87s
Dec 18 14:37:04.634 INFO running `"docker" "inspect" "2316e3b04b79e78849dd967ca2264b42e0cda9b3f7c6202e45a024f4edb9a390"`
Dec 18 14:37:04.740 INFO running `"docker" "rm" "-f" "2316e3b04b79e78849dd967ca2264b42e0cda9b3f7c6202e45a024f4edb9a390"`
Dec 18 14:37:04.854 INFO [stdout] 2316e3b04b79e78849dd967ca2264b42e0cda9b3f7c6202e45a024f4edb9a390