Dec 18 09:19:19.765 INFO checking websocket-client-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:19:19.766 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/websocket-client/0.2.0:/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 09:19:20.189 INFO [stdout] b15dadf35f96443481fe5e9790f8c5bbaef6f183fd2cb0e50ee922b5de979213
Dec 18 09:19:20.194 INFO running `"docker" "start" "-a" "b15dadf35f96443481fe5e9790f8c5bbaef6f183fd2cb0e50ee922b5de979213"`
Dec 18 09:19:21.060 INFO [stderr]     Checking simple-error v0.1.13
Dec 18 09:19:21.060 INFO [stderr]     Checking websocket v0.20.4
Dec 18 09:19:22.602 INFO [stderr]     Checking websocket-client v0.2.0 (/opt/crater/workdir)
Dec 18 09:19:23.729 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.78s
Dec 18 09:19:24.124 INFO running `"docker" "inspect" "b15dadf35f96443481fe5e9790f8c5bbaef6f183fd2cb0e50ee922b5de979213"`
Dec 18 09:19:24.260 INFO running `"docker" "rm" "-f" "b15dadf35f96443481fe5e9790f8c5bbaef6f183fd2cb0e50ee922b5de979213"`
Dec 18 09:19:24.411 INFO [stdout] b15dadf35f96443481fe5e9790f8c5bbaef6f183fd2cb0e50ee922b5de979213