Dec 19 14:23:51.508 INFO checking kevinwilde/chat_server against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:23:51.508 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/kevinwilde/chat_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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:23:51.916 INFO [stdout] f9148f8d3c53e40be7c581fa2480831b1e59081dbaebe60bc0c3815d0e09d4a4
Dec 19 14:23:51.920 INFO running `"docker" "start" "-a" "f9148f8d3c53e40be7c581fa2480831b1e59081dbaebe60bc0c3815d0e09d4a4"`
Dec 19 14:23:53.145 INFO [stderr]     Checking chat_server v0.2.0 (/opt/crater/workdir)
Dec 19 14:23:53.556 INFO [stderr] warning: method is never used: `size`
Dec 19 14:23:53.556 INFO [stderr]   --> src/roommap.rs:36:5
Dec 19 14:23:53.556 INFO [stderr]    |
Dec 19 14:23:53.556 INFO [stderr] 36 |     pub fn size(&self) -> usize {
Dec 19 14:23:53.556 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:23:53.556 INFO [stderr]    |
Dec 19 14:23:53.556 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:23:53.556 INFO [stderr] 
Dec 19 14:23:53.587 INFO [stderr] warning: method is never used: `size`
Dec 19 14:23:53.587 INFO [stderr]   --> src/roommap.rs:36:5
Dec 19 14:23:53.587 INFO [stderr]    |
Dec 19 14:23:53.587 INFO [stderr] 36 |     pub fn size(&self) -> usize {
Dec 19 14:23:53.587 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 14:23:53.587 INFO [stderr]    |
Dec 19 14:23:53.587 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 14:23:53.587 INFO [stderr] 
Dec 19 14:23:53.668 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 19 14:23:54.142 INFO running `"docker" "inspect" "f9148f8d3c53e40be7c581fa2480831b1e59081dbaebe60bc0c3815d0e09d4a4"`
Dec 19 14:23:54.256 INFO running `"docker" "rm" "-f" "f9148f8d3c53e40be7c581fa2480831b1e59081dbaebe60bc0c3815d0e09d4a4"`
Dec 19 14:23:54.380 INFO [stdout] f9148f8d3c53e40be7c581fa2480831b1e59081dbaebe60bc0c3815d0e09d4a4