Dec 18 05:42:12.628 INFO checking Riptawr/zoo_visitor against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:42:12.628 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Riptawr/zoo_visitor:/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 05:42:12.836 INFO [stdout] 8dce360de319600bdf7e8afd091facfb8291cbaf0166448f3f1561a00b46c6fd
Dec 18 05:42:12.842 INFO running `"docker" "start" "-a" "8dce360de319600bdf7e8afd091facfb8291cbaf0166448f3f1561a00b46c6fd"`
Dec 18 05:42:13.524 INFO [stderr]     Checking env_logger v0.4.3
Dec 18 05:42:13.524 INFO [stderr]     Checking zookeeper v0.4.0
Dec 18 05:42:14.944 INFO [stderr]     Checking zoo_visitor v0.1.0 (/opt/crater/workdir)
Dec 18 05:42:16.028 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
Dec 18 05:42:16.982 INFO running `"docker" "inspect" "8dce360de319600bdf7e8afd091facfb8291cbaf0166448f3f1561a00b46c6fd"`
Dec 18 05:42:17.281 INFO running `"docker" "rm" "-f" "8dce360de319600bdf7e8afd091facfb8291cbaf0166448f3f1561a00b46c6fd"`
Dec 18 05:42:17.568 INFO [stdout] 8dce360de319600bdf7e8afd091facfb8291cbaf0166448f3f1561a00b46c6fd