Dec 11 17:18:29.876 INFO checking huytd/sergaem against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 17:18:29.876 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 17:18:30.236 INFO [stdout] a8fe0ffbd2dd88c5b5a0344bba5fbf0fba906bd0d93c4cc4bb994f1d79dc2cbe
Dec 11 17:18:30.244 INFO running `"docker" "start" "-a" "a8fe0ffbd2dd88c5b5a0344bba5fbf0fba906bd0d93c4cc4bb994f1d79dc2cbe"`
Dec 11 17:18:31.568 INFO [stderr] usermod: no changes
Dec 11 17:18:31.693 INFO [stderr]     Checking crossbeam v0.3.0
Dec 11 17:18:31.693 INFO [stderr]     Checking iovec v0.1.1
Dec 11 17:18:31.693 INFO [stderr]     Checking net2 v0.2.31
Dec 11 17:18:32.568 INFO [stderr]     Checking bytes v0.4.5
Dec 11 17:18:33.116 INFO [stderr]     Checking mio v0.6.11
Dec 11 17:18:35.121 INFO [stderr]     Checking ws v0.7.3
Dec 11 17:18:37.322 INFO [stderr]     Checking sergaem v0.1.0 (/source)
Dec 11 17:18:38.540 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 11 17:18:38.540 INFO [stderr]  --> src/engine/network.rs:2:5
Dec 11 17:18:38.540 INFO [stderr]   |
Dec 11 17:18:38.540 INFO [stderr] 2 | use std::cell::RefCell;
Dec 11 17:18:38.540 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 17:18:38.540 INFO [stderr]   |
Dec 11 17:18:38.540 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 17:18:38.540 INFO [stderr] 
Dec 11 17:18:38.696 INFO [stderr] warning: unused import: `std::cell::RefCell`
Dec 11 17:18:38.696 INFO [stderr]  --> src/engine/network.rs:2:5
Dec 11 17:18:38.696 INFO [stderr]   |
Dec 11 17:18:38.696 INFO [stderr] 2 | use std::cell::RefCell;
Dec 11 17:18:38.696 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Dec 11 17:18:38.696 INFO [stderr]   |
Dec 11 17:18:38.696 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 17:18:38.696 INFO [stderr] 
Dec 11 17:18:38.708 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:18:38.708 INFO [stderr]   --> src/engine/game.rs:30:21
Dec 11 17:18:38.708 INFO [stderr]    |
Dec 11 17:18:38.708 INFO [stderr] 30 |                 let mut game_logic = GameLogic::new(self.clone());
Dec 11 17:18:38.708 INFO [stderr]    |                     ----^^^^^^^^^^
Dec 11 17:18:38.708 INFO [stderr]    |                     |
Dec 11 17:18:38.708 INFO [stderr]    |                     help: remove this `mut`
Dec 11 17:18:38.708 INFO [stderr]    |
Dec 11 17:18:38.708 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:18:38.708 INFO [stderr] 
Dec 11 17:18:38.708 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:18:38.708 INFO [stderr]   --> src/engine/game.rs:30:21
Dec 11 17:18:38.708 INFO [stderr]    |
Dec 11 17:18:38.708 INFO [stderr] 30 |                 let mut game_logic = GameLogic::new(self.clone());
Dec 11 17:18:38.708 INFO [stderr]    |                     ----^^^^^^^^^^
Dec 11 17:18:38.708 INFO [stderr]    |                     |
Dec 11 17:18:38.708 INFO [stderr]    |                     help: remove this `mut`
Dec 11 17:18:38.708 INFO [stderr] 
Dec 11 17:18:38.710 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 17:18:38.710 INFO [stderr]   --> src/engine/game.rs:72:13
Dec 11 17:18:38.710 INFO [stderr]    |
Dec 11 17:18:38.710 INFO [stderr] 72 |             player.send(Message::from(msg));
Dec 11 17:18:38.710 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:18:38.710 INFO [stderr]    |
Dec 11 17:18:38.710 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 17:18:38.710 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 17:18:38.710 INFO [stderr] 
Dec 11 17:18:38.831 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:18:38.831 INFO [stderr]   --> src/engine/game.rs:30:21
Dec 11 17:18:38.831 INFO [stderr]    |
Dec 11 17:18:38.831 INFO [stderr] 30 |                 let mut game_logic = GameLogic::new(self.clone());
Dec 11 17:18:38.831 INFO [stderr]    |                     ----^^^^^^^^^^
Dec 11 17:18:38.831 INFO [stderr]    |                     |
Dec 11 17:18:38.831 INFO [stderr]    |                     help: remove this `mut`
Dec 11 17:18:38.831 INFO [stderr]    |
Dec 11 17:18:38.831 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 11 17:18:38.831 INFO [stderr] 
Dec 11 17:18:38.831 INFO [stderr] warning: variable does not need to be mutable
Dec 11 17:18:38.831 INFO [stderr]   --> src/engine/game.rs:30:21
Dec 11 17:18:38.831 INFO [stderr]    |
Dec 11 17:18:38.831 INFO [stderr] 30 |                 let mut game_logic = GameLogic::new(self.clone());
Dec 11 17:18:38.831 INFO [stderr]    |                     ----^^^^^^^^^^
Dec 11 17:18:38.831 INFO [stderr]    |                     |
Dec 11 17:18:38.832 INFO [stderr]    |                     help: remove this `mut`
Dec 11 17:18:38.832 INFO [stderr] 
Dec 11 17:18:38.832 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 17:18:38.832 INFO [stderr]   --> src/engine/game.rs:72:13
Dec 11 17:18:38.832 INFO [stderr]    |
Dec 11 17:18:38.832 INFO [stderr] 72 |             player.send(Message::from(msg));
Dec 11 17:18:38.832 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 17:18:38.832 INFO [stderr]    |
Dec 11 17:18:38.832 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 17:18:38.832 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 17:18:38.832 INFO [stderr] 
Dec 11 17:18:38.888 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.28s
Dec 11 17:18:38.888 INFO [stderr] su: No module specific data is present
Dec 11 17:18:39.554 INFO running `"docker" "inspect" "a8fe0ffbd2dd88c5b5a0344bba5fbf0fba906bd0d93c4cc4bb994f1d79dc2cbe"`
Dec 11 17:18:39.894 INFO running `"docker" "rm" "-f" "a8fe0ffbd2dd88c5b5a0344bba5fbf0fba906bd0d93c4cc4bb994f1d79dc2cbe"`
Dec 11 17:18:40.205 INFO [stdout] a8fe0ffbd2dd88c5b5a0344bba5fbf0fba906bd0d93c4cc4bb994f1d79dc2cbe