Dec 18 07:24:46.960 INFO checking GustavoKatel/rust-echo-server against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:24:46.960 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/GustavoKatel/rust-echo-server:/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 07:24:47.280 INFO [stdout] e07316f27134c0ba31026b96ddc7abcd25a6ca7a146b2701bd2fd7cfa1a1c37c
Dec 18 07:24:47.286 INFO running `"docker" "start" "-a" "e07316f27134c0ba31026b96ddc7abcd25a6ca7a146b2701bd2fd7cfa1a1c37c"`
Dec 18 07:24:48.251 INFO [stderr]     Checking net2 v0.2.26
Dec 18 07:24:48.260 INFO [stderr]     Checking nix v0.6.0
Dec 18 07:24:51.455 INFO [stderr]     Checking mio v0.6.0
Dec 18 07:24:52.580 INFO [stderr]     Checking rust-echo-server v0.1.0 (/opt/crater/workdir)
Dec 18 07:24:52.984 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.79s
Dec 18 07:24:53.358 INFO running `"docker" "inspect" "e07316f27134c0ba31026b96ddc7abcd25a6ca7a146b2701bd2fd7cfa1a1c37c"`
Dec 18 07:24:53.522 INFO running `"docker" "rm" "-f" "e07316f27134c0ba31026b96ddc7abcd25a6ca7a146b2701bd2fd7cfa1a1c37c"`
Dec 18 07:24:53.645 INFO [stdout] e07316f27134c0ba31026b96ddc7abcd25a6ca7a146b2701bd2fd7cfa1a1c37c