Dec 11 15:31:56.101 INFO checking kevinwilde/chat_server against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 15:31:56.102 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 15:31:56.352 INFO [stdout] a548a4431895b0d24c6954e3dbabf04d0d0b300535d20adcd77b38204dde78c3
Dec 11 15:31:56.354 INFO running `"docker" "start" "-a" "a548a4431895b0d24c6954e3dbabf04d0d0b300535d20adcd77b38204dde78c3"`
Dec 11 15:31:56.935 INFO [stderr] usermod: no changes
Dec 11 15:31:56.963 INFO [stderr]     Checking chat_server v0.2.0 (/source)
Dec 11 15:31:57.271 INFO [stderr] warning: method is never used: `size`
Dec 11 15:31:57.271 INFO [stderr]   --> src/roommap.rs:36:5
Dec 11 15:31:57.271 INFO [stderr]    |
Dec 11 15:31:57.271 INFO [stderr] 36 |     pub fn size(&self) -> usize {
Dec 11 15:31:57.271 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:57.271 INFO [stderr]    |
Dec 11 15:31:57.271 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:31:57.271 INFO [stderr] 
Dec 11 15:31:57.383 INFO [stderr] warning: method is never used: `size`
Dec 11 15:31:57.383 INFO [stderr]   --> src/roommap.rs:36:5
Dec 11 15:31:57.383 INFO [stderr]    |
Dec 11 15:31:57.383 INFO [stderr] 36 |     pub fn size(&self) -> usize {
Dec 11 15:31:57.383 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 15:31:57.383 INFO [stderr]    |
Dec 11 15:31:57.383 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 15:31:57.383 INFO [stderr] 
Dec 11 15:31:57.406 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
Dec 11 15:31:57.407 INFO [stderr] su: No module specific data is present
Dec 11 15:31:57.660 INFO running `"docker" "inspect" "a548a4431895b0d24c6954e3dbabf04d0d0b300535d20adcd77b38204dde78c3"`
Dec 11 15:31:57.759 INFO running `"docker" "rm" "-f" "a548a4431895b0d24c6954e3dbabf04d0d0b300535d20adcd77b38204dde78c3"`
Dec 11 15:31:57.875 INFO [stdout] a548a4431895b0d24c6954e3dbabf04d0d0b300535d20adcd77b38204dde78c3