Dec 18 03:00:26.197 INFO checking brick-codes/palace-ai against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 03:00:26.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/brick-codes/palace-ai:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 03:00:26.638 INFO [stdout] db760782a4c084256f780450812a248a68663d0cfb569c0125198634766bb966
Dec 18 03:00:26.641 INFO running `"docker" "start" "-a" "db760782a4c084256f780450812a248a68663d0cfb569c0125198634766bb966"`
Dec 18 03:00:28.809 INFO [stderr]     Checking ws v0.7.6
Dec 18 03:00:30.802 INFO [stderr]     Checking palace-ai v0.1.0 (/opt/crater/workdir)
Dec 18 03:00:32.063 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 18 03:00:32.063 INFO [stderr]   --> src/main.rs:11:5
Dec 18 03:00:32.063 INFO [stderr]    |
Dec 18 03:00:32.063 INFO [stderr] 11 | use std::time::Duration;
Dec 18 03:00:32.063 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:32.063 INFO [stderr]    |
Dec 18 03:00:32.063 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:00:32.063 INFO [stderr] 
Dec 18 03:00:32.063 INFO [stderr] warning: unused import: `CloseCode`
Dec 18 03:00:32.063 INFO [stderr]   --> src/main.rs:13:56
Dec 18 03:00:32.063 INFO [stderr]    |
Dec 18 03:00:32.063 INFO [stderr] 13 | use ws::{connect, Handler, Sender, Handshake, Message, CloseCode};
Dec 18 03:00:32.063 INFO [stderr]    |                                                        ^^^^^^^^^
Dec 18 03:00:32.063 INFO [stderr] 
Dec 18 03:00:32.063 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer`
Dec 18 03:00:32.063 INFO [stderr]   --> src/main.rs:14:13
Dec 18 03:00:32.063 INFO [stderr]    |
Dec 18 03:00:32.063 INFO [stderr] 14 | use serde::{Deserialize, Serialize, Deserializer, Serializer};
Dec 18 03:00:32.063 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
Dec 18 03:00:32.063 INFO [stderr] 
Dec 18 03:00:32.764 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 18 03:00:32.765 INFO [stderr]   --> src/main.rs:11:5
Dec 18 03:00:32.765 INFO [stderr]    |
Dec 18 03:00:32.765 INFO [stderr] 11 | use std::time::Duration;
Dec 18 03:00:32.765 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:32.765 INFO [stderr]    |
Dec 18 03:00:32.765 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 03:00:32.765 INFO [stderr] 
Dec 18 03:00:32.765 INFO [stderr] warning: unused import: `CloseCode`
Dec 18 03:00:32.765 INFO [stderr]   --> src/main.rs:13:56
Dec 18 03:00:32.765 INFO [stderr]    |
Dec 18 03:00:32.765 INFO [stderr] 13 | use ws::{connect, Handler, Sender, Handshake, Message, CloseCode};
Dec 18 03:00:32.765 INFO [stderr]    |                                                        ^^^^^^^^^
Dec 18 03:00:32.765 INFO [stderr] 
Dec 18 03:00:32.765 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer`
Dec 18 03:00:32.765 INFO [stderr]   --> src/main.rs:14:13
Dec 18 03:00:32.765 INFO [stderr]    |
Dec 18 03:00:32.765 INFO [stderr] 14 | use serde::{Deserialize, Serialize, Deserializer, Serializer};
Dec 18 03:00:32.765 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
Dec 18 03:00:32.765 INFO [stderr] 
Dec 18 03:00:32.921 INFO [stderr] warning: unused variable: `reconnect_response`
Dec 18 03:00:32.921 INFO [stderr]    --> src/main.rs:386:21
Dec 18 03:00:32.921 INFO [stderr]     |
Dec 18 03:00:32.921 INFO [stderr] 386 |                 let reconnect_response = received_message.expect("Failed to reconnect");
Dec 18 03:00:32.921 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider using `_reconnect_response` instead
Dec 18 03:00:32.921 INFO [stderr]     |
Dec 18 03:00:32.921 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:00:32.921 INFO [stderr] 
Dec 18 03:00:32.921 INFO [stderr] warning: unused variable: `hand_response`
Dec 18 03:00:32.921 INFO [stderr]    --> src/main.rs:395:21
Dec 18 03:00:32.921 INFO [stderr]     |
Dec 18 03:00:32.921 INFO [stderr] 395 |                 let hand_response = received_message.expect("probably played an invalid card for faceup");
Dec 18 03:00:32.921 INFO [stderr]     |                     ^^^^^^^^^^^^^ help: consider using `_hand_response` instead
Dec 18 03:00:32.921 INFO [stderr] 
Dec 18 03:00:32.921 INFO [stderr] warning: unused variable: `temp_hand`
Dec 18 03:00:32.921 INFO [stderr]    --> src/main.rs:469:17
Dec 18 03:00:32.921 INFO [stderr]     |
Dec 18 03:00:32.921 INFO [stderr] 469 |             let temp_hand = self.hand.clone().unwrap();
Dec 18 03:00:32.921 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_temp_hand` instead
Dec 18 03:00:32.921 INFO [stderr] 
Dec 18 03:00:33.304 INFO [stderr] warning: constant item is never used: `HAND_SIZE`
Dec 18 03:00:33.304 INFO [stderr]   --> src/main.rs:17:1
Dec 18 03:00:33.304 INFO [stderr]    |
Dec 18 03:00:33.304 INFO [stderr] 17 | const HAND_SIZE: usize = 6;
Dec 18 03:00:33.304 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.304 INFO [stderr]    |
Dec 18 03:00:33.304 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:00:33.304 INFO [stderr] 
Dec 18 03:00:33.304 INFO [stderr] warning: constant item is never used: `SUITS`
Dec 18 03:00:33.304 INFO [stderr]   --> src/main.rs:27:1
Dec 18 03:00:33.304 INFO [stderr]    |
Dec 18 03:00:33.304 INFO [stderr] 27 | / const SUITS: [CardSuit; 4] = [
Dec 18 03:00:33.304 INFO [stderr] 28 | |     CardSuit::Clubs,
Dec 18 03:00:33.304 INFO [stderr] 29 | |     CardSuit::Diamonds,
Dec 18 03:00:33.305 INFO [stderr] 30 | |     CardSuit::Hearts,
Dec 18 03:00:33.305 INFO [stderr] 31 | |     CardSuit::Spades,
Dec 18 03:00:33.305 INFO [stderr] 32 | | ];
Dec 18 03:00:33.305 INFO [stderr]    | |__^
Dec 18 03:00:33.305 INFO [stderr] 
Dec 18 03:00:33.305 INFO [stderr] warning: constant item is never used: `VALUES`
Dec 18 03:00:33.305 INFO [stderr]   --> src/main.rs:51:1
Dec 18 03:00:33.305 INFO [stderr]    |
Dec 18 03:00:33.305 INFO [stderr] 51 | / const VALUES: [CardValue; 13] = [
Dec 18 03:00:33.305 INFO [stderr] 52 | |     CardValue::Two,
Dec 18 03:00:33.305 INFO [stderr] 53 | |     CardValue::Three,
Dec 18 03:00:33.305 INFO [stderr] 54 | |     CardValue::Four,
Dec 18 03:00:33.305 INFO [stderr] ...  |
Dec 18 03:00:33.305 INFO [stderr] 64 | |     CardValue::Ace,
Dec 18 03:00:33.305 INFO [stderr] 65 | | ];
Dec 18 03:00:33.305 INFO [stderr]    | |__^
Dec 18 03:00:33.305 INFO [stderr] 
Dec 18 03:00:33.305 INFO [stderr] warning: variant is never constructed: `ListLobbies`
Dec 18 03:00:33.305 INFO [stderr]    --> src/main.rs:154:5
Dec 18 03:00:33.305 INFO [stderr]     |
Dec 18 03:00:33.305 INFO [stderr] 154 |     ListLobbies,
Dec 18 03:00:33.305 INFO [stderr]     |     ^^^^^^^^^^^
Dec 18 03:00:33.305 INFO [stderr] 
Dec 18 03:00:33.305 INFO [stderr] warning: variant is never constructed: `Reconnect`
Dec 18 03:00:33.305 INFO [stderr]    --> src/main.rs:158:5
Dec 18 03:00:33.305 INFO [stderr]     |
Dec 18 03:00:33.305 INFO [stderr] 158 |     Reconnect(ReconnectMessage),
Dec 18 03:00:33.305 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.312 INFO [stderr] 
Dec 18 03:00:33.333 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.333 INFO [stderr]    --> src/main.rs:300:21
Dec 18 03:00:33.333 INFO [stderr]     |
Dec 18 03:00:33.333 INFO [stderr] 300 |                     self.out.send(message_lobby);
Dec 18 03:00:33.333 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.333 INFO [stderr]     |
Dec 18 03:00:33.333 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:00:33.333 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.334 INFO [stderr] 
Dec 18 03:00:33.334 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.334 INFO [stderr]    --> src/main.rs:313:21
Dec 18 03:00:33.334 INFO [stderr]     |
Dec 18 03:00:33.334 INFO [stderr] 313 |                     self.out.send(json_join_lobby_message);
Dec 18 03:00:33.334 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.334 INFO [stderr]     |
Dec 18 03:00:33.334 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.334 INFO [stderr] 
Dec 18 03:00:33.334 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.335 INFO [stderr]    --> src/main.rs:368:29
Dec 18 03:00:33.335 INFO [stderr]     |
Dec 18 03:00:33.335 INFO [stderr] 368 |                             self.out.send(json_message);
Dec 18 03:00:33.335 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.335 INFO [stderr]     |
Dec 18 03:00:33.335 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.335 INFO [stderr] 
Dec 18 03:00:33.336 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.336 INFO [stderr]    --> src/main.rs:415:21
Dec 18 03:00:33.336 INFO [stderr]     |
Dec 18 03:00:33.336 INFO [stderr] 415 |                     self.out.send(json_message);
Dec 18 03:00:33.336 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.336 INFO [stderr]     |
Dec 18 03:00:33.336 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.336 INFO [stderr] 
Dec 18 03:00:33.336 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.336 INFO [stderr]    --> src/main.rs:448:21
Dec 18 03:00:33.336 INFO [stderr]     |
Dec 18 03:00:33.336 INFO [stderr] 448 |                     self.out.send(json_message);
Dec 18 03:00:33.336 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.336 INFO [stderr]     |
Dec 18 03:00:33.336 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.336 INFO [stderr] 
Dec 18 03:00:33.337 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.337 INFO [stderr]    --> src/main.rs:465:17
Dec 18 03:00:33.337 INFO [stderr]     |
Dec 18 03:00:33.337 INFO [stderr] 465 |                 self.out.send(json_message);
Dec 18 03:00:33.337 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.337 INFO [stderr]     |
Dec 18 03:00:33.337 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.337 INFO [stderr] 
Dec 18 03:00:33.341 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.341 INFO [stderr]    --> src/main.rs:481:13
Dec 18 03:00:33.341 INFO [stderr]     |
Dec 18 03:00:33.341 INFO [stderr] 481 |             self.out.send(json_message);
Dec 18 03:00:33.341 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.341 INFO [stderr]     |
Dec 18 03:00:33.341 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.341 INFO [stderr] 
Dec 18 03:00:33.341 INFO [stderr] warning: variable `NUM_PLAYERS` should have a snake case name such as `num_players`
Dec 18 03:00:33.341 INFO [stderr]    --> src/main.rs:490:9
Dec 18 03:00:33.341 INFO [stderr]     |
Dec 18 03:00:33.341 INFO [stderr] 490 |     let NUM_PLAYERS = 4;
Dec 18 03:00:33.341 INFO [stderr]     |         ^^^^^^^^^^^
Dec 18 03:00:33.341 INFO [stderr]     |
Dec 18 03:00:33.341 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 03:00:33.341 INFO [stderr] 
Dec 18 03:00:33.564 INFO [stderr] warning: unused variable: `reconnect_response`
Dec 18 03:00:33.564 INFO [stderr]    --> src/main.rs:386:21
Dec 18 03:00:33.564 INFO [stderr]     |
Dec 18 03:00:33.564 INFO [stderr] 386 |                 let reconnect_response = received_message.expect("Failed to reconnect");
Dec 18 03:00:33.564 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider using `_reconnect_response` instead
Dec 18 03:00:33.564 INFO [stderr]     |
Dec 18 03:00:33.564 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 03:00:33.564 INFO [stderr] 
Dec 18 03:00:33.564 INFO [stderr] warning: unused variable: `hand_response`
Dec 18 03:00:33.564 INFO [stderr]    --> src/main.rs:395:21
Dec 18 03:00:33.564 INFO [stderr]     |
Dec 18 03:00:33.564 INFO [stderr] 395 |                 let hand_response = received_message.expect("probably played an invalid card for faceup");
Dec 18 03:00:33.564 INFO [stderr]     |                     ^^^^^^^^^^^^^ help: consider using `_hand_response` instead
Dec 18 03:00:33.564 INFO [stderr] 
Dec 18 03:00:33.564 INFO [stderr] warning: unused variable: `temp_hand`
Dec 18 03:00:33.564 INFO [stderr]    --> src/main.rs:469:17
Dec 18 03:00:33.564 INFO [stderr]     |
Dec 18 03:00:33.564 INFO [stderr] 469 |             let temp_hand = self.hand.clone().unwrap();
Dec 18 03:00:33.565 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_temp_hand` instead
Dec 18 03:00:33.565 INFO [stderr] 
Dec 18 03:00:33.804 INFO [stderr] warning: constant item is never used: `HAND_SIZE`
Dec 18 03:00:33.804 INFO [stderr]   --> src/main.rs:17:1
Dec 18 03:00:33.804 INFO [stderr]    |
Dec 18 03:00:33.804 INFO [stderr] 17 | const HAND_SIZE: usize = 6;
Dec 18 03:00:33.804 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.804 INFO [stderr]    |
Dec 18 03:00:33.804 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 03:00:33.804 INFO [stderr] 
Dec 18 03:00:33.804 INFO [stderr] warning: constant item is never used: `SUITS`
Dec 18 03:00:33.804 INFO [stderr]   --> src/main.rs:27:1
Dec 18 03:00:33.804 INFO [stderr]    |
Dec 18 03:00:33.804 INFO [stderr] 27 | / const SUITS: [CardSuit; 4] = [
Dec 18 03:00:33.804 INFO [stderr] 28 | |     CardSuit::Clubs,
Dec 18 03:00:33.804 INFO [stderr] 29 | |     CardSuit::Diamonds,
Dec 18 03:00:33.804 INFO [stderr] 30 | |     CardSuit::Hearts,
Dec 18 03:00:33.805 INFO [stderr] 31 | |     CardSuit::Spades,
Dec 18 03:00:33.805 INFO [stderr] 32 | | ];
Dec 18 03:00:33.805 INFO [stderr]    | |__^
Dec 18 03:00:33.805 INFO [stderr] 
Dec 18 03:00:33.805 INFO [stderr] warning: constant item is never used: `VALUES`
Dec 18 03:00:33.805 INFO [stderr]   --> src/main.rs:51:1
Dec 18 03:00:33.805 INFO [stderr]    |
Dec 18 03:00:33.805 INFO [stderr] 51 | / const VALUES: [CardValue; 13] = [
Dec 18 03:00:33.805 INFO [stderr] 52 | |     CardValue::Two,
Dec 18 03:00:33.805 INFO [stderr] 53 | |     CardValue::Three,
Dec 18 03:00:33.805 INFO [stderr] 54 | |     CardValue::Four,
Dec 18 03:00:33.805 INFO [stderr] ...  |
Dec 18 03:00:33.805 INFO [stderr] 64 | |     CardValue::Ace,
Dec 18 03:00:33.805 INFO [stderr] 65 | | ];
Dec 18 03:00:33.805 INFO [stderr]    | |__^
Dec 18 03:00:33.805 INFO [stderr] 
Dec 18 03:00:33.805 INFO [stderr] warning: variant is never constructed: `ListLobbies`
Dec 18 03:00:33.805 INFO [stderr]    --> src/main.rs:154:5
Dec 18 03:00:33.805 INFO [stderr]     |
Dec 18 03:00:33.805 INFO [stderr] 154 |     ListLobbies,
Dec 18 03:00:33.805 INFO [stderr]     |     ^^^^^^^^^^^
Dec 18 03:00:33.805 INFO [stderr] 
Dec 18 03:00:33.805 INFO [stderr] warning: variant is never constructed: `Reconnect`
Dec 18 03:00:33.805 INFO [stderr]    --> src/main.rs:158:5
Dec 18 03:00:33.805 INFO [stderr]     |
Dec 18 03:00:33.805 INFO [stderr] 158 |     Reconnect(ReconnectMessage),
Dec 18 03:00:33.805 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.805 INFO [stderr] 
Dec 18 03:00:33.824 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.824 INFO [stderr]    --> src/main.rs:300:21
Dec 18 03:00:33.824 INFO [stderr]     |
Dec 18 03:00:33.824 INFO [stderr] 300 |                     self.out.send(message_lobby);
Dec 18 03:00:33.824 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.824 INFO [stderr]     |
Dec 18 03:00:33.824 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 03:00:33.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.825 INFO [stderr]    --> src/main.rs:313:21
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr] 313 |                     self.out.send(json_join_lobby_message);
Dec 18 03:00:33.825 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.825 INFO [stderr]    --> src/main.rs:368:29
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr] 368 |                             self.out.send(json_message);
Dec 18 03:00:33.825 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.825 INFO [stderr]    --> src/main.rs:415:21
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr] 415 |                     self.out.send(json_message);
Dec 18 03:00:33.825 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.825 INFO [stderr]    --> src/main.rs:448:21
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr] 448 |                     self.out.send(json_message);
Dec 18 03:00:33.825 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.825 INFO [stderr]    --> src/main.rs:465:17
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr] 465 |                 self.out.send(json_message);
Dec 18 03:00:33.825 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.825 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 03:00:33.825 INFO [stderr]    --> src/main.rs:481:13
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr] 481 |             self.out.send(json_message);
Dec 18 03:00:33.825 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.825 INFO [stderr] warning: variable `NUM_PLAYERS` should have a snake case name such as `num_players`
Dec 18 03:00:33.825 INFO [stderr]    --> src/main.rs:490:9
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr] 490 |     let NUM_PLAYERS = 4;
Dec 18 03:00:33.825 INFO [stderr]     |         ^^^^^^^^^^^
Dec 18 03:00:33.825 INFO [stderr]     |
Dec 18 03:00:33.825 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 03:00:33.825 INFO [stderr] 
Dec 18 03:00:33.864 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
Dec 18 03:00:34.694 INFO running `"docker" "inspect" "db760782a4c084256f780450812a248a68663d0cfb569c0125198634766bb966"`
Dec 18 03:00:34.944 INFO running `"docker" "rm" "-f" "db760782a4c084256f780450812a248a68663d0cfb569c0125198634766bb966"`
Dec 18 03:00:35.196 INFO [stdout] db760782a4c084256f780450812a248a68663d0cfb569c0125198634766bb966