Dec 04 15:51:30.636 INFO checking kevinwilde/chat_server against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:51:30.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 15:51:30.983 INFO [stdout] 70af944c8b7aba7e2118cd2e7c5425b623f097373c68992c989fb8e4894ff6ba
Dec 04 15:51:30.992 INFO running `"docker" "start" "-a" "70af944c8b7aba7e2118cd2e7c5425b623f097373c68992c989fb8e4894ff6ba"`
Dec 04 15:51:31.798 INFO [stderr] usermod: no changes
Dec 04 15:51:31.879 INFO [stderr]     Checking chat_server v0.2.0 (/source)
Dec 04 15:51:32.443 INFO [stderr] warning: method is never used: `size`
Dec 04 15:51:32.443 INFO [stderr]   --> src/roommap.rs:36:5
Dec 04 15:51:32.443 INFO [stderr]    |
Dec 04 15:51:32.443 INFO [stderr] 36 |     pub fn size(&self) -> usize {
Dec 04 15:51:32.443 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:32.443 INFO [stderr]    |
Dec 04 15:51:32.443 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:51:32.443 INFO [stderr] 
Dec 04 15:51:32.615 INFO [stderr] warning: method is never used: `size`
Dec 04 15:51:32.615 INFO [stderr]   --> src/roommap.rs:36:5
Dec 04 15:51:32.615 INFO [stderr]    |
Dec 04 15:51:32.615 INFO [stderr] 36 |     pub fn size(&self) -> usize {
Dec 04 15:51:32.615 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:51:32.615 INFO [stderr]    |
Dec 04 15:51:32.615 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:51:32.615 INFO [stderr] 
Dec 04 15:51:32.639 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Dec 04 15:51:32.656 INFO [stderr] su: No module specific data is present
Dec 04 15:51:33.243 INFO running `"docker" "inspect" "70af944c8b7aba7e2118cd2e7c5425b623f097373c68992c989fb8e4894ff6ba"`
Dec 04 15:51:33.525 INFO running `"docker" "rm" "-f" "70af944c8b7aba7e2118cd2e7c5425b623f097373c68992c989fb8e4894ff6ba"`
Dec 04 15:51:33.843 INFO [stdout] 70af944c8b7aba7e2118cd2e7c5425b623f097373c68992c989fb8e4894ff6ba