Dec 11 21:27:47.841 INFO checking brick-codes/palace-ai against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 21:27:47.841 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-6/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 21:27:48.358 INFO [stdout] 1248121f1d8148024b7b478d17fb4965c2dc31edfa6260e90b35d2057c23195f
Dec 11 21:27:48.359 INFO running `"docker" "start" "-a" "1248121f1d8148024b7b478d17fb4965c2dc31edfa6260e90b35d2057c23195f"`
Dec 11 21:27:50.439 INFO [stderr] usermod: no changes
Dec 11 21:27:50.668 INFO [stderr]     Checking ws v0.7.6
Dec 11 21:27:53.013 INFO [stderr]     Checking palace-ai v0.1.0 (/source)
Dec 11 21:27:56.560 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 11 21:27:56.560 INFO [stderr]   --> src/main.rs:11:5
Dec 11 21:27:56.560 INFO [stderr]    |
Dec 11 21:27:56.560 INFO [stderr] 11 | use std::time::Duration;
Dec 11 21:27:56.560 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:56.560 INFO [stderr]    |
Dec 11 21:27:56.561 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 21:27:56.561 INFO [stderr] 
Dec 11 21:27:56.561 INFO [stderr] warning: unused import: `CloseCode`
Dec 11 21:27:56.561 INFO [stderr]   --> src/main.rs:13:56
Dec 11 21:27:56.561 INFO [stderr]    |
Dec 11 21:27:56.561 INFO [stderr] 13 | use ws::{connect, Handler, Sender, Handshake, Message, CloseCode};
Dec 11 21:27:56.561 INFO [stderr]    |                                                        ^^^^^^^^^
Dec 11 21:27:56.561 INFO [stderr] 
Dec 11 21:27:56.561 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer`
Dec 11 21:27:56.561 INFO [stderr]   --> src/main.rs:14:13
Dec 11 21:27:56.561 INFO [stderr]    |
Dec 11 21:27:56.561 INFO [stderr] 14 | use serde::{Deserialize, Serialize, Deserializer, Serializer};
Dec 11 21:27:56.561 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
Dec 11 21:27:56.561 INFO [stderr] 
Dec 11 21:27:56.688 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 11 21:27:56.688 INFO [stderr]   --> src/main.rs:11:5
Dec 11 21:27:56.688 INFO [stderr]    |
Dec 11 21:27:56.688 INFO [stderr] 11 | use std::time::Duration;
Dec 11 21:27:56.688 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:56.689 INFO [stderr]    |
Dec 11 21:27:56.689 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 21:27:56.689 INFO [stderr] 
Dec 11 21:27:56.689 INFO [stderr] warning: unused import: `CloseCode`
Dec 11 21:27:56.689 INFO [stderr]   --> src/main.rs:13:56
Dec 11 21:27:56.689 INFO [stderr]    |
Dec 11 21:27:56.689 INFO [stderr] 13 | use ws::{connect, Handler, Sender, Handshake, Message, CloseCode};
Dec 11 21:27:56.690 INFO [stderr]    |                                                        ^^^^^^^^^
Dec 11 21:27:56.690 INFO [stderr] 
Dec 11 21:27:56.690 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer`
Dec 11 21:27:56.690 INFO [stderr]   --> src/main.rs:14:13
Dec 11 21:27:56.690 INFO [stderr]    |
Dec 11 21:27:56.690 INFO [stderr] 14 | use serde::{Deserialize, Serialize, Deserializer, Serializer};
Dec 11 21:27:56.690 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
Dec 11 21:27:56.690 INFO [stderr] 
Dec 11 21:27:57.786 INFO [stderr] warning: unused variable: `reconnect_response`
Dec 11 21:27:57.786 INFO [stderr]    --> src/main.rs:386:21
Dec 11 21:27:57.786 INFO [stderr]     |
Dec 11 21:27:57.786 INFO [stderr] 386 |                 let reconnect_response = received_message.expect("Failed to reconnect");
Dec 11 21:27:57.786 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider using `_reconnect_response` instead
Dec 11 21:27:57.786 INFO [stderr]     |
Dec 11 21:27:57.786 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 21:27:57.786 INFO [stderr] 
Dec 11 21:27:57.786 INFO [stderr] warning: unused variable: `hand_response`
Dec 11 21:27:57.786 INFO [stderr]    --> src/main.rs:395:21
Dec 11 21:27:57.786 INFO [stderr]     |
Dec 11 21:27:57.786 INFO [stderr] 395 |                 let hand_response = received_message.expect("probably played an invalid card for faceup");
Dec 11 21:27:57.786 INFO [stderr]     |                     ^^^^^^^^^^^^^ help: consider using `_hand_response` instead
Dec 11 21:27:57.786 INFO [stderr] 
Dec 11 21:27:57.786 INFO [stderr] warning: unused variable: `temp_hand`
Dec 11 21:27:57.786 INFO [stderr]    --> src/main.rs:469:17
Dec 11 21:27:57.786 INFO [stderr]     |
Dec 11 21:27:57.787 INFO [stderr] 469 |             let temp_hand = self.hand.clone().unwrap();
Dec 11 21:27:57.787 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_temp_hand` instead
Dec 11 21:27:57.787 INFO [stderr] 
Dec 11 21:27:58.011 INFO [stderr] warning: unused variable: `reconnect_response`
Dec 11 21:27:58.011 INFO [stderr]    --> src/main.rs:386:21
Dec 11 21:27:58.011 INFO [stderr]     |
Dec 11 21:27:58.011 INFO [stderr] 386 |                 let reconnect_response = received_message.expect("Failed to reconnect");
Dec 11 21:27:58.011 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider using `_reconnect_response` instead
Dec 11 21:27:58.011 INFO [stderr]     |
Dec 11 21:27:58.011 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 11 21:27:58.011 INFO [stderr] 
Dec 11 21:27:58.011 INFO [stderr] warning: unused variable: `hand_response`
Dec 11 21:27:58.011 INFO [stderr]    --> src/main.rs:395:21
Dec 11 21:27:58.011 INFO [stderr]     |
Dec 11 21:27:58.011 INFO [stderr] 395 |                 let hand_response = received_message.expect("probably played an invalid card for faceup");
Dec 11 21:27:58.011 INFO [stderr]     |                     ^^^^^^^^^^^^^ help: consider using `_hand_response` instead
Dec 11 21:27:58.011 INFO [stderr] 
Dec 11 21:27:58.011 INFO [stderr] warning: unused variable: `temp_hand`
Dec 11 21:27:58.011 INFO [stderr]    --> src/main.rs:469:17
Dec 11 21:27:58.011 INFO [stderr]     |
Dec 11 21:27:58.011 INFO [stderr] 469 |             let temp_hand = self.hand.clone().unwrap();
Dec 11 21:27:58.011 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_temp_hand` instead
Dec 11 21:27:58.011 INFO [stderr] 
Dec 11 21:27:58.177 INFO [stderr] warning: constant item is never used: `HAND_SIZE`
Dec 11 21:27:58.177 INFO [stderr]   --> src/main.rs:17:1
Dec 11 21:27:58.177 INFO [stderr]    |
Dec 11 21:27:58.177 INFO [stderr] 17 | const HAND_SIZE: usize = 6;
Dec 11 21:27:58.177 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.177 INFO [stderr]    |
Dec 11 21:27:58.177 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 21:27:58.177 INFO [stderr] 
Dec 11 21:27:58.177 INFO [stderr] warning: constant item is never used: `SUITS`
Dec 11 21:27:58.177 INFO [stderr]   --> src/main.rs:27:1
Dec 11 21:27:58.177 INFO [stderr]    |
Dec 11 21:27:58.177 INFO [stderr] 27 | / const SUITS: [CardSuit; 4] = [
Dec 11 21:27:58.177 INFO [stderr] 28 | |     CardSuit::Clubs,
Dec 11 21:27:58.177 INFO [stderr] 29 | |     CardSuit::Diamonds,
Dec 11 21:27:58.177 INFO [stderr] 30 | |     CardSuit::Hearts,
Dec 11 21:27:58.177 INFO [stderr] 31 | |     CardSuit::Spades,
Dec 11 21:27:58.177 INFO [stderr] 32 | | ];
Dec 11 21:27:58.177 INFO [stderr]    | |__^
Dec 11 21:27:58.177 INFO [stderr] 
Dec 11 21:27:58.177 INFO [stderr] warning: constant item is never used: `VALUES`
Dec 11 21:27:58.177 INFO [stderr]   --> src/main.rs:51:1
Dec 11 21:27:58.177 INFO [stderr]    |
Dec 11 21:27:58.177 INFO [stderr] 51 | / const VALUES: [CardValue; 13] = [
Dec 11 21:27:58.177 INFO [stderr] 52 | |     CardValue::Two,
Dec 11 21:27:58.177 INFO [stderr] 53 | |     CardValue::Three,
Dec 11 21:27:58.177 INFO [stderr] 54 | |     CardValue::Four,
Dec 11 21:27:58.177 INFO [stderr] ...  |
Dec 11 21:27:58.177 INFO [stderr] 64 | |     CardValue::Ace,
Dec 11 21:27:58.177 INFO [stderr] 65 | | ];
Dec 11 21:27:58.177 INFO [stderr]    | |__^
Dec 11 21:27:58.177 INFO [stderr] 
Dec 11 21:27:58.177 INFO [stderr] warning: variant is never constructed: `ListLobbies`
Dec 11 21:27:58.177 INFO [stderr]    --> src/main.rs:154:5
Dec 11 21:27:58.177 INFO [stderr]     |
Dec 11 21:27:58.177 INFO [stderr] 154 |     ListLobbies,
Dec 11 21:27:58.177 INFO [stderr]     |     ^^^^^^^^^^^
Dec 11 21:27:58.177 INFO [stderr] 
Dec 11 21:27:58.177 INFO [stderr] warning: variant is never constructed: `Reconnect`
Dec 11 21:27:58.177 INFO [stderr]    --> src/main.rs:158:5
Dec 11 21:27:58.177 INFO [stderr]     |
Dec 11 21:27:58.177 INFO [stderr] 158 |     Reconnect(ReconnectMessage),
Dec 11 21:27:58.177 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.178 INFO [stderr] 
Dec 11 21:27:58.208 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.208 INFO [stderr]    --> src/main.rs:300:21
Dec 11 21:27:58.208 INFO [stderr]     |
Dec 11 21:27:58.208 INFO [stderr] 300 |                     self.out.send(message_lobby);
Dec 11 21:27:58.208 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.208 INFO [stderr]     |
Dec 11 21:27:58.208 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 21:27:58.208 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.208 INFO [stderr] 
Dec 11 21:27:58.209 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.209 INFO [stderr]    --> src/main.rs:313:21
Dec 11 21:27:58.209 INFO [stderr]     |
Dec 11 21:27:58.209 INFO [stderr] 313 |                     self.out.send(json_join_lobby_message);
Dec 11 21:27:58.209 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.210 INFO [stderr]     |
Dec 11 21:27:58.210 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.210 INFO [stderr] 
Dec 11 21:27:58.211 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.211 INFO [stderr]    --> src/main.rs:368:29
Dec 11 21:27:58.211 INFO [stderr]     |
Dec 11 21:27:58.211 INFO [stderr] 368 |                             self.out.send(json_message);
Dec 11 21:27:58.211 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.211 INFO [stderr]     |
Dec 11 21:27:58.211 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.211 INFO [stderr] 
Dec 11 21:27:58.211 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.211 INFO [stderr]    --> src/main.rs:415:21
Dec 11 21:27:58.211 INFO [stderr]     |
Dec 11 21:27:58.211 INFO [stderr] 415 |                     self.out.send(json_message);
Dec 11 21:27:58.211 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.211 INFO [stderr]     |
Dec 11 21:27:58.211 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.211 INFO [stderr] 
Dec 11 21:27:58.212 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.212 INFO [stderr]    --> src/main.rs:448:21
Dec 11 21:27:58.212 INFO [stderr]     |
Dec 11 21:27:58.212 INFO [stderr] 448 |                     self.out.send(json_message);
Dec 11 21:27:58.212 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.212 INFO [stderr]     |
Dec 11 21:27:58.212 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.212 INFO [stderr] 
Dec 11 21:27:58.213 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.213 INFO [stderr]    --> src/main.rs:465:17
Dec 11 21:27:58.213 INFO [stderr]     |
Dec 11 21:27:58.213 INFO [stderr] 465 |                 self.out.send(json_message);
Dec 11 21:27:58.213 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.213 INFO [stderr]     |
Dec 11 21:27:58.213 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.213 INFO [stderr] 
Dec 11 21:27:58.214 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.214 INFO [stderr]    --> src/main.rs:481:13
Dec 11 21:27:58.214 INFO [stderr]     |
Dec 11 21:27:58.214 INFO [stderr] 481 |             self.out.send(json_message);
Dec 11 21:27:58.214 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.214 INFO [stderr]     |
Dec 11 21:27:58.214 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.214 INFO [stderr] 
Dec 11 21:27:58.215 INFO [stderr] warning: variable `NUM_PLAYERS` should have a snake case name such as `num_players`
Dec 11 21:27:58.215 INFO [stderr]    --> src/main.rs:490:9
Dec 11 21:27:58.215 INFO [stderr]     |
Dec 11 21:27:58.215 INFO [stderr] 490 |     let NUM_PLAYERS = 4;
Dec 11 21:27:58.215 INFO [stderr]     |         ^^^^^^^^^^^
Dec 11 21:27:58.215 INFO [stderr]     |
Dec 11 21:27:58.215 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 21:27:58.215 INFO [stderr] 
Dec 11 21:27:58.352 INFO [stderr] warning: constant item is never used: `HAND_SIZE`
Dec 11 21:27:58.352 INFO [stderr]   --> src/main.rs:17:1
Dec 11 21:27:58.352 INFO [stderr]    |
Dec 11 21:27:58.352 INFO [stderr] 17 | const HAND_SIZE: usize = 6;
Dec 11 21:27:58.352 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.352 INFO [stderr]    |
Dec 11 21:27:58.352 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 21:27:58.352 INFO [stderr] 
Dec 11 21:27:58.352 INFO [stderr] warning: constant item is never used: `SUITS`
Dec 11 21:27:58.352 INFO [stderr]   --> src/main.rs:27:1
Dec 11 21:27:58.352 INFO [stderr]    |
Dec 11 21:27:58.352 INFO [stderr] 27 | / const SUITS: [CardSuit; 4] = [
Dec 11 21:27:58.352 INFO [stderr] 28 | |     CardSuit::Clubs,
Dec 11 21:27:58.352 INFO [stderr] 29 | |     CardSuit::Diamonds,
Dec 11 21:27:58.352 INFO [stderr] 30 | |     CardSuit::Hearts,
Dec 11 21:27:58.352 INFO [stderr] 31 | |     CardSuit::Spades,
Dec 11 21:27:58.353 INFO [stderr] 32 | | ];
Dec 11 21:27:58.353 INFO [stderr]    | |__^
Dec 11 21:27:58.353 INFO [stderr] 
Dec 11 21:27:58.353 INFO [stderr] warning: constant item is never used: `VALUES`
Dec 11 21:27:58.353 INFO [stderr]   --> src/main.rs:51:1
Dec 11 21:27:58.353 INFO [stderr]    |
Dec 11 21:27:58.353 INFO [stderr] 51 | / const VALUES: [CardValue; 13] = [
Dec 11 21:27:58.353 INFO [stderr] 52 | |     CardValue::Two,
Dec 11 21:27:58.353 INFO [stderr] 53 | |     CardValue::Three,
Dec 11 21:27:58.353 INFO [stderr] 54 | |     CardValue::Four,
Dec 11 21:27:58.353 INFO [stderr] ...  |
Dec 11 21:27:58.353 INFO [stderr] 64 | |     CardValue::Ace,
Dec 11 21:27:58.353 INFO [stderr] 65 | | ];
Dec 11 21:27:58.353 INFO [stderr]    | |__^
Dec 11 21:27:58.353 INFO [stderr] 
Dec 11 21:27:58.353 INFO [stderr] warning: variant is never constructed: `ListLobbies`
Dec 11 21:27:58.353 INFO [stderr]    --> src/main.rs:154:5
Dec 11 21:27:58.353 INFO [stderr]     |
Dec 11 21:27:58.353 INFO [stderr] 154 |     ListLobbies,
Dec 11 21:27:58.353 INFO [stderr]     |     ^^^^^^^^^^^
Dec 11 21:27:58.353 INFO [stderr] 
Dec 11 21:27:58.353 INFO [stderr] warning: variant is never constructed: `Reconnect`
Dec 11 21:27:58.353 INFO [stderr]    --> src/main.rs:158:5
Dec 11 21:27:58.353 INFO [stderr]     |
Dec 11 21:27:58.353 INFO [stderr] 158 |     Reconnect(ReconnectMessage),
Dec 11 21:27:58.353 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.353 INFO [stderr] 
Dec 11 21:27:58.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.364 INFO [stderr]    --> src/main.rs:300:21
Dec 11 21:27:58.364 INFO [stderr]     |
Dec 11 21:27:58.364 INFO [stderr] 300 |                     self.out.send(message_lobby);
Dec 11 21:27:58.364 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.364 INFO [stderr]     |
Dec 11 21:27:58.364 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 21:27:58.364 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.364 INFO [stderr] 
Dec 11 21:27:58.364 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.365 INFO [stderr]    --> src/main.rs:313:21
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr] 313 |                     self.out.send(json_join_lobby_message);
Dec 11 21:27:58.365 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.365 INFO [stderr] 
Dec 11 21:27:58.365 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.365 INFO [stderr]    --> src/main.rs:368:29
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr] 368 |                             self.out.send(json_message);
Dec 11 21:27:58.365 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.365 INFO [stderr] 
Dec 11 21:27:58.365 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.365 INFO [stderr]    --> src/main.rs:415:21
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr] 415 |                     self.out.send(json_message);
Dec 11 21:27:58.365 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.365 INFO [stderr] 
Dec 11 21:27:58.365 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.365 INFO [stderr]    --> src/main.rs:448:21
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr] 448 |                     self.out.send(json_message);
Dec 11 21:27:58.365 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.365 INFO [stderr] 
Dec 11 21:27:58.365 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.365 INFO [stderr]    --> src/main.rs:465:17
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr] 465 |                 self.out.send(json_message);
Dec 11 21:27:58.365 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.365 INFO [stderr] 
Dec 11 21:27:58.365 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 21:27:58.365 INFO [stderr]    --> src/main.rs:481:13
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr] 481 |             self.out.send(json_message);
Dec 11 21:27:58.365 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 21:27:58.365 INFO [stderr] 
Dec 11 21:27:58.365 INFO [stderr] warning: variable `NUM_PLAYERS` should have a snake case name such as `num_players`
Dec 11 21:27:58.365 INFO [stderr]    --> src/main.rs:490:9
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr] 490 |     let NUM_PLAYERS = 4;
Dec 11 21:27:58.365 INFO [stderr]     |         ^^^^^^^^^^^
Dec 11 21:27:58.365 INFO [stderr]     |
Dec 11 21:27:58.365 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 11 21:27:58.365 INFO [stderr] 
Dec 11 21:27:58.432 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
Dec 11 21:27:58.452 INFO [stderr] su: No module specific data is present
Dec 11 21:27:59.868 INFO running `"docker" "inspect" "1248121f1d8148024b7b478d17fb4965c2dc31edfa6260e90b35d2057c23195f"`
Dec 11 21:28:00.214 INFO running `"docker" "rm" "-f" "1248121f1d8148024b7b478d17fb4965c2dc31edfa6260e90b35d2057c23195f"`
Dec 11 21:28:00.544 INFO [stdout] 1248121f1d8148024b7b478d17fb4965c2dc31edfa6260e90b35d2057c23195f