Dec 17 20:52:07.811 INFO checking lazau/rust-tcp-sniffer against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:52:07.812 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/gh/lazau/rust-tcp-sniffer:/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 20:52:08.332 INFO [stdout] 76a8cdea7e0ba661e3e425a2c792a93d296324af504d7619220c7d6ed15c11a6
Dec 17 20:52:08.336 INFO running `"docker" "start" "-a" "76a8cdea7e0ba661e3e425a2c792a93d296324af504d7619220c7d6ed15c11a6"`
Dec 17 20:52:09.909 INFO [stderr]     Checking iovec v0.1.1
Dec 17 20:52:09.920 INFO [stderr]     Checking env_logger v0.4.3
Dec 17 20:52:10.358 INFO [stderr]     Checking mio v0.6.11
Dec 17 20:52:12.127 INFO [stderr]     Checking tcp_sniffer v0.1.0 (/opt/crater/workdir)
Dec 17 20:52:13.030 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
Dec 17 20:52:14.068 INFO running `"docker" "inspect" "76a8cdea7e0ba661e3e425a2c792a93d296324af504d7619220c7d6ed15c11a6"`
Dec 17 20:52:14.432 INFO running `"docker" "rm" "-f" "76a8cdea7e0ba661e3e425a2c792a93d296324af504d7619220c7d6ed15c11a6"`
Dec 17 20:52:14.794 INFO [stdout] 76a8cdea7e0ba661e3e425a2c792a93d296324af504d7619220c7d6ed15c11a6