Dec 17 22:39:25.658 INFO checking jaemk/rv against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:39:25.658 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jaemk/rv:/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 22:39:25.831 INFO [stdout] 69c4d93194c829a9ef0fcc2f1cf21cf207975cf8b059b81008373ce5c0ce6ee0
Dec 17 22:39:25.843 INFO running `"docker" "start" "-a" "69c4d93194c829a9ef0fcc2f1cf21cf207975cf8b059b81008373ce5c0ce6ee0"`
Dec 17 22:39:26.520 INFO [stderr]     Checking term_size v0.3.0
Dec 17 22:39:26.800 INFO [stderr]     Checking clap v2.24.2
Dec 17 22:39:32.844 INFO [stderr]     Checking rv v0.1.0 (/opt/crater/workdir)
Dec 17 22:39:33.566 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
Dec 17 22:39:34.654 INFO running `"docker" "inspect" "69c4d93194c829a9ef0fcc2f1cf21cf207975cf8b059b81008373ce5c0ce6ee0"`
Dec 17 22:39:34.969 INFO running `"docker" "rm" "-f" "69c4d93194c829a9ef0fcc2f1cf21cf207975cf8b059b81008373ce5c0ce6ee0"`
Dec 17 22:39:35.260 INFO [stdout] 69c4d93194c829a9ef0fcc2f1cf21cf207975cf8b059b81008373ce5c0ce6ee0