Dec 18 12:16:59.800 INFO checking rkv-0.7.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:16:59.800 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/rkv/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 12:17:00.207 INFO [stdout] f97d78f9dd15a518cbf522b3df369ac2200c22f0d44478b046e2c2caf312ffc9
Dec 18 12:17:00.210 INFO running `"docker" "start" "-a" "f97d78f9dd15a518cbf522b3df369ac2200c22f0d44478b046e2c2caf312ffc9"`
Dec 18 12:17:01.384 INFO [stderr]    Compiling lmdb-sys v0.8.0
Dec 18 12:17:05.215 INFO [stderr]     Checking lmdb-rkv v0.9.0
Dec 18 12:17:05.913 INFO [stderr]     Checking rkv v0.7.0 (/opt/crater/workdir)
Dec 18 12:17:09.420 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
Dec 18 12:17:09.713 INFO running `"docker" "inspect" "f97d78f9dd15a518cbf522b3df369ac2200c22f0d44478b046e2c2caf312ffc9"`
Dec 18 12:17:09.819 INFO running `"docker" "rm" "-f" "f97d78f9dd15a518cbf522b3df369ac2200c22f0d44478b046e2c2caf312ffc9"`
Dec 18 12:17:09.930 INFO [stdout] f97d78f9dd15a518cbf522b3df369ac2200c22f0d44478b046e2c2caf312ffc9