Dec 18 05:41:03.089 INFO checking RobotDisco/rust_chat against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:41:03.089 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/RobotDisco/rust_chat:/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 05:41:03.544 INFO [stdout] 633c69fe101a3b73d8df5710bb6f70845149a0194d4cde3410afcc30e21e9264
Dec 18 05:41:03.548 INFO running `"docker" "start" "-a" "633c69fe101a3b73d8df5710bb6f70845149a0194d4cde3410afcc30e21e9264"`
Dec 18 05:41:06.019 INFO [stderr]    Compiling http-muncher v0.2.5
Dec 18 05:41:06.021 INFO [stderr]     Checking sha1 v0.1.1
Dec 18 05:41:06.032 INFO [stderr]     Checking mio v0.5.1
Dec 18 05:41:08.632 INFO [stderr]     Checking chat v0.1.0 (/opt/crater/workdir)
Dec 18 05:41:09.553 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
Dec 18 05:41:11.140 INFO running `"docker" "inspect" "633c69fe101a3b73d8df5710bb6f70845149a0194d4cde3410afcc30e21e9264"`
Dec 18 05:41:11.518 INFO running `"docker" "rm" "-f" "633c69fe101a3b73d8df5710bb6f70845149a0194d4cde3410afcc30e21e9264"`
Dec 18 05:41:11.932 INFO [stdout] 633c69fe101a3b73d8df5710bb6f70845149a0194d4cde3410afcc30e21e9264