Dec 04 15:40:19.826 INFO checking kogai/tetris against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 15:40:19.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 15:40:20.014 INFO [stdout] a95c16627163e6c333382ec41ee471fd64b2d0f7f1299953cc00ce45e1e79eb7
Dec 04 15:40:20.016 INFO running `"docker" "start" "-a" "a95c16627163e6c333382ec41ee471fd64b2d0f7f1299953cc00ce45e1e79eb7"`
Dec 04 15:40:20.699 INFO [stderr] usermod: no changes
Dec 04 15:40:20.765 INFO [stderr]     Checking tetris v0.1.0 (/source)
Dec 04 15:40:21.370 INFO [stderr] warning: method is never used: `send`
Dec 04 15:40:21.370 INFO [stderr]   --> src/command.rs:16:5
Dec 04 15:40:21.370 INFO [stderr]    |
Dec 04 15:40:21.370 INFO [stderr] 16 |     pub fn send(&self, command: Command) {
Dec 04 15:40:21.370 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:40:21.370 INFO [stderr]    |
Dec 04 15:40:21.370 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:40:21.370 INFO [stderr] 
Dec 04 15:40:21.370 INFO [stderr] warning: variant is never constructed: `Left`
Dec 04 15:40:21.370 INFO [stderr]   --> src/command.rs:34:5
Dec 04 15:40:21.370 INFO [stderr]    |
Dec 04 15:40:21.370 INFO [stderr] 34 |     Left,
Dec 04 15:40:21.370 INFO [stderr]    |     ^^^^
Dec 04 15:40:21.370 INFO [stderr] 
Dec 04 15:40:21.372 INFO [stderr] warning: variant is never constructed: `Right`
Dec 04 15:40:21.372 INFO [stderr]   --> src/command.rs:35:5
Dec 04 15:40:21.372 INFO [stderr]    |
Dec 04 15:40:21.372 INFO [stderr] 35 |     Right,
Dec 04 15:40:21.373 INFO [stderr]    |     ^^^^^
Dec 04 15:40:21.373 INFO [stderr] 
Dec 04 15:40:21.427 INFO [stderr] warning: method is never used: `send`
Dec 04 15:40:21.428 INFO [stderr]   --> src/command.rs:16:5
Dec 04 15:40:21.428 INFO [stderr]    |
Dec 04 15:40:21.428 INFO [stderr] 16 |     pub fn send(&self, command: Command) {
Dec 04 15:40:21.428 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 15:40:21.428 INFO [stderr]    |
Dec 04 15:40:21.428 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 15:40:21.428 INFO [stderr] 
Dec 04 15:40:21.428 INFO [stderr] warning: variant is never constructed: `Left`
Dec 04 15:40:21.428 INFO [stderr]   --> src/command.rs:34:5
Dec 04 15:40:21.428 INFO [stderr]    |
Dec 04 15:40:21.428 INFO [stderr] 34 |     Left,
Dec 04 15:40:21.428 INFO [stderr]    |     ^^^^
Dec 04 15:40:21.428 INFO [stderr] 
Dec 04 15:40:21.428 INFO [stderr] warning: variant is never constructed: `Right`
Dec 04 15:40:21.428 INFO [stderr]   --> src/command.rs:35:5
Dec 04 15:40:21.428 INFO [stderr]    |
Dec 04 15:40:21.428 INFO [stderr] 35 |     Right,
Dec 04 15:40:21.428 INFO [stderr]    |     ^^^^^
Dec 04 15:40:21.428 INFO [stderr] 
Dec 04 15:40:21.460 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 04 15:40:21.467 INFO [stderr] su: No module specific data is present
Dec 04 15:40:22.003 INFO running `"docker" "inspect" "a95c16627163e6c333382ec41ee471fd64b2d0f7f1299953cc00ce45e1e79eb7"`
Dec 04 15:40:22.225 INFO running `"docker" "rm" "-f" "a95c16627163e6c333382ec41ee471fd64b2d0f7f1299953cc00ce45e1e79eb7"`
Dec 04 15:40:22.416 INFO [stdout] a95c16627163e6c333382ec41ee471fd64b2d0f7f1299953cc00ce45e1e79eb7