Dec 19 19:33:52.507 INFO checking brick-codes/palace-ai against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 19:33:52.507 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:33:53.040 INFO [stdout] 9c089217d9926cd4ec266d0185347b9f99ee187df9fe17bdfbae59ea3d9cb6d5
Dec 19 19:33:53.042 INFO running `"docker" "start" "-a" "9c089217d9926cd4ec266d0185347b9f99ee187df9fe17bdfbae59ea3d9cb6d5"`
Dec 19 19:33:55.927 INFO [stderr]     Checking ws v0.7.6
Dec 19 19:33:57.757 INFO [stderr]     Checking palace-ai v0.1.0 (/opt/crater/workdir)
Dec 19 19:33:59.512 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 19:33:59.516 INFO [stderr]   --> src/main.rs:11:5
Dec 19 19:33:59.516 INFO [stderr]    |
Dec 19 19:33:59.516 INFO [stderr] 11 | use std::time::Duration;
Dec 19 19:33:59.516 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 19:33:59.516 INFO [stderr]    |
Dec 19 19:33:59.516 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 19:33:59.516 INFO [stderr] 
Dec 19 19:33:59.516 INFO [stderr] warning: unused import: `CloseCode`
Dec 19 19:33:59.516 INFO [stderr]   --> src/main.rs:13:56
Dec 19 19:33:59.516 INFO [stderr]    |
Dec 19 19:33:59.516 INFO [stderr] 13 | use ws::{connect, Handler, Sender, Handshake, Message, CloseCode};
Dec 19 19:33:59.516 INFO [stderr]    |                                                        ^^^^^^^^^
Dec 19 19:33:59.516 INFO [stderr] 
Dec 19 19:33:59.516 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer`
Dec 19 19:33:59.516 INFO [stderr]   --> src/main.rs:14:13
Dec 19 19:33:59.516 INFO [stderr]    |
Dec 19 19:33:59.516 INFO [stderr] 14 | use serde::{Deserialize, Serialize, Deserializer, Serializer};
Dec 19 19:33:59.516 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
Dec 19 19:33:59.516 INFO [stderr] 
Dec 19 19:33:59.828 INFO [stderr] warning: unused import: `std::time::Duration`
Dec 19 19:33:59.828 INFO [stderr]   --> src/main.rs:11:5
Dec 19 19:33:59.828 INFO [stderr]    |
Dec 19 19:33:59.828 INFO [stderr] 11 | use std::time::Duration;
Dec 19 19:33:59.828 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 19 19:33:59.828 INFO [stderr]    |
Dec 19 19:33:59.828 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 19:33:59.828 INFO [stderr] 
Dec 19 19:33:59.828 INFO [stderr] warning: unused import: `CloseCode`
Dec 19 19:33:59.828 INFO [stderr]   --> src/main.rs:13:56
Dec 19 19:33:59.828 INFO [stderr]    |
Dec 19 19:33:59.828 INFO [stderr] 13 | use ws::{connect, Handler, Sender, Handshake, Message, CloseCode};
Dec 19 19:33:59.828 INFO [stderr]    |                                                        ^^^^^^^^^
Dec 19 19:33:59.828 INFO [stderr] 
Dec 19 19:33:59.828 INFO [stderr] warning: unused imports: `Deserialize`, `Deserializer`, `Serialize`, `Serializer`
Dec 19 19:33:59.828 INFO [stderr]   --> src/main.rs:14:13
Dec 19 19:33:59.828 INFO [stderr]    |
Dec 19 19:33:59.828 INFO [stderr] 14 | use serde::{Deserialize, Serialize, Deserializer, Serializer};
Dec 19 19:33:59.828 INFO [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
Dec 19 19:33:59.828 INFO [stderr] 
Dec 19 19:34:00.752 INFO [stderr] warning: unused variable: `reconnect_response`
Dec 19 19:34:00.752 INFO [stderr]    --> src/main.rs:386:21
Dec 19 19:34:00.752 INFO [stderr]     |
Dec 19 19:34:00.752 INFO [stderr] 386 |                 let reconnect_response = received_message.expect("Failed to reconnect");
Dec 19 19:34:00.752 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider using `_reconnect_response` instead
Dec 19 19:34:00.752 INFO [stderr]     |
Dec 19 19:34:00.752 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 19:34:00.752 INFO [stderr] 
Dec 19 19:34:00.752 INFO [stderr] warning: unused variable: `hand_response`
Dec 19 19:34:00.752 INFO [stderr]    --> src/main.rs:395:21
Dec 19 19:34:00.752 INFO [stderr]     |
Dec 19 19:34:00.752 INFO [stderr] 395 |                 let hand_response = received_message.expect("probably played an invalid card for faceup");
Dec 19 19:34:00.752 INFO [stderr]     |                     ^^^^^^^^^^^^^ help: consider using `_hand_response` instead
Dec 19 19:34:00.752 INFO [stderr] 
Dec 19 19:34:00.752 INFO [stderr] warning: unused variable: `temp_hand`
Dec 19 19:34:00.752 INFO [stderr]    --> src/main.rs:469:17
Dec 19 19:34:00.752 INFO [stderr]     |
Dec 19 19:34:00.752 INFO [stderr] 469 |             let temp_hand = self.hand.clone().unwrap();
Dec 19 19:34:00.752 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_temp_hand` instead
Dec 19 19:34:00.752 INFO [stderr] 
Dec 19 19:34:00.764 INFO [stderr] warning: unused variable: `reconnect_response`
Dec 19 19:34:00.764 INFO [stderr]    --> src/main.rs:386:21
Dec 19 19:34:00.764 INFO [stderr]     |
Dec 19 19:34:00.764 INFO [stderr] 386 |                 let reconnect_response = received_message.expect("Failed to reconnect");
Dec 19 19:34:00.764 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: consider using `_reconnect_response` instead
Dec 19 19:34:00.764 INFO [stderr]     |
Dec 19 19:34:00.764 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 19:34:00.764 INFO [stderr] 
Dec 19 19:34:00.764 INFO [stderr] warning: unused variable: `hand_response`
Dec 19 19:34:00.764 INFO [stderr]    --> src/main.rs:395:21
Dec 19 19:34:00.764 INFO [stderr]     |
Dec 19 19:34:00.764 INFO [stderr] 395 |                 let hand_response = received_message.expect("probably played an invalid card for faceup");
Dec 19 19:34:00.764 INFO [stderr]     |                     ^^^^^^^^^^^^^ help: consider using `_hand_response` instead
Dec 19 19:34:00.764 INFO [stderr] 
Dec 19 19:34:00.764 INFO [stderr] warning: unused variable: `temp_hand`
Dec 19 19:34:00.764 INFO [stderr]    --> src/main.rs:469:17
Dec 19 19:34:00.764 INFO [stderr]     |
Dec 19 19:34:00.764 INFO [stderr] 469 |             let temp_hand = self.hand.clone().unwrap();
Dec 19 19:34:00.764 INFO [stderr]     |                 ^^^^^^^^^ help: consider using `_temp_hand` instead
Dec 19 19:34:00.764 INFO [stderr] 
Dec 19 19:34:01.120 INFO [stderr] warning: constant item is never used: `HAND_SIZE`
Dec 19 19:34:01.120 INFO [stderr]   --> src/main.rs:17:1
Dec 19 19:34:01.120 INFO [stderr]    |
Dec 19 19:34:01.120 INFO [stderr] 17 | const HAND_SIZE: usize = 6;
Dec 19 19:34:01.120 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.120 INFO [stderr]    |
Dec 19 19:34:01.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:34:01.120 INFO [stderr] 
Dec 19 19:34:01.120 INFO [stderr] warning: constant item is never used: `SUITS`
Dec 19 19:34:01.120 INFO [stderr]   --> src/main.rs:27:1
Dec 19 19:34:01.120 INFO [stderr]    |
Dec 19 19:34:01.120 INFO [stderr] 27 | / const SUITS: [CardSuit; 4] = [
Dec 19 19:34:01.120 INFO [stderr] 28 | |     CardSuit::Clubs,
Dec 19 19:34:01.120 INFO [stderr] 29 | |     CardSuit::Diamonds,
Dec 19 19:34:01.120 INFO [stderr] 30 | |     CardSuit::Hearts,
Dec 19 19:34:01.120 INFO [stderr] 31 | |     CardSuit::Spades,
Dec 19 19:34:01.120 INFO [stderr] 32 | | ];
Dec 19 19:34:01.120 INFO [stderr]    | |__^
Dec 19 19:34:01.120 INFO [stderr] 
Dec 19 19:34:01.120 INFO [stderr] warning: constant item is never used: `VALUES`
Dec 19 19:34:01.120 INFO [stderr]   --> src/main.rs:51:1
Dec 19 19:34:01.120 INFO [stderr]    |
Dec 19 19:34:01.120 INFO [stderr] 51 | / const VALUES: [CardValue; 13] = [
Dec 19 19:34:01.120 INFO [stderr] 52 | |     CardValue::Two,
Dec 19 19:34:01.120 INFO [stderr] 53 | |     CardValue::Three,
Dec 19 19:34:01.120 INFO [stderr] 54 | |     CardValue::Four,
Dec 19 19:34:01.120 INFO [stderr] ...  |
Dec 19 19:34:01.120 INFO [stderr] 64 | |     CardValue::Ace,
Dec 19 19:34:01.120 INFO [stderr] 65 | | ];
Dec 19 19:34:01.120 INFO [stderr]    | |__^
Dec 19 19:34:01.120 INFO [stderr] 
Dec 19 19:34:01.120 INFO [stderr] warning: variant is never constructed: `ListLobbies`
Dec 19 19:34:01.120 INFO [stderr]    --> src/main.rs:154:5
Dec 19 19:34:01.120 INFO [stderr]     |
Dec 19 19:34:01.120 INFO [stderr] 154 |     ListLobbies,
Dec 19 19:34:01.120 INFO [stderr]     |     ^^^^^^^^^^^
Dec 19 19:34:01.120 INFO [stderr] 
Dec 19 19:34:01.120 INFO [stderr] warning: variant is never constructed: `Reconnect`
Dec 19 19:34:01.120 INFO [stderr]    --> src/main.rs:158:5
Dec 19 19:34:01.120 INFO [stderr]     |
Dec 19 19:34:01.120 INFO [stderr] 158 |     Reconnect(ReconnectMessage),
Dec 19 19:34:01.120 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.120 INFO [stderr] 
Dec 19 19:34:01.152 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.152 INFO [stderr]    --> src/main.rs:300:21
Dec 19 19:34:01.152 INFO [stderr]     |
Dec 19 19:34:01.152 INFO [stderr] 300 |                     self.out.send(message_lobby);
Dec 19 19:34:01.152 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.152 INFO [stderr] warning: constant item is never used: `HAND_SIZE`
Dec 19 19:34:01.152 INFO [stderr]   --> src/main.rs:17:1
Dec 19 19:34:01.152 INFO [stderr]    |
Dec 19 19:34:01.152 INFO [stderr] 17 | const HAND_SIZE: usize = 6;
Dec 19 19:34:01.152 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.152 INFO [stderr]    |
Dec 19 19:34:01.152 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:34:01.152 INFO [stderr] 
Dec 19 19:34:01.152 INFO [stderr] warning: constant item is never used: `SUITS`
Dec 19 19:34:01.152 INFO [stderr]   --> src/main.rs:27:1
Dec 19 19:34:01.152 INFO [stderr]    |
Dec 19 19:34:01.152 INFO [stderr] 27 | / const SUITS: [CardSuit; 4] = [
Dec 19 19:34:01.152 INFO [stderr] 28 | |     CardSuit::Clubs,
Dec 19 19:34:01.152 INFO [stderr] 29 | |     CardSuit::Diamonds,
Dec 19 19:34:01.152 INFO [stderr] 30 | |     CardSuit::Hearts,
Dec 19 19:34:01.152 INFO [stderr] 31 | |     CardSuit::Spades,
Dec 19 19:34:01.152 INFO [stderr] 32 | | ];
Dec 19 19:34:01.152 INFO [stderr]    | |__^
Dec 19 19:34:01.152 INFO [stderr] 
Dec 19 19:34:01.152 INFO [stderr] warning: constant item is never used: `VALUES`
Dec 19 19:34:01.152 INFO [stderr]   --> src/main.rs:51:1
Dec 19 19:34:01.152 INFO [stderr]    |
Dec 19 19:34:01.152 INFO [stderr] 51 | / const VALUES: [CardValue; 13] = [
Dec 19 19:34:01.152 INFO [stderr] 52 | |     CardValue::Two,
Dec 19 19:34:01.152 INFO [stderr] 53 | |     CardValue::Three,
Dec 19 19:34:01.152 INFO [stderr] 54 | |     CardValue::Four,
Dec 19 19:34:01.152 INFO [stderr] ...  |
Dec 19 19:34:01.152 INFO [stderr] 64 | |     CardValue::Ace,
Dec 19 19:34:01.152 INFO [stderr] 65 | | ];
Dec 19 19:34:01.152 INFO [stderr]    | |__^
Dec 19 19:34:01.152 INFO [stderr] 
Dec 19 19:34:01.152 INFO [stderr] warning: variant is never constructed: `ListLobbies`
Dec 19 19:34:01.153 INFO [stderr]    --> src/main.rs:154:5
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr] 154 |     ListLobbies,
Dec 19 19:34:01.153 INFO [stderr]     |     ^^^^^^^^^^^
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.153 INFO [stderr] warning: variant is never constructed: `Reconnect`
Dec 19 19:34:01.153 INFO [stderr]    --> src/main.rs:158:5
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr] 158 |     Reconnect(ReconnectMessage),
Dec 19 19:34:01.153 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 19:34:01.153 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.153 INFO [stderr]    --> src/main.rs:313:21
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr] 313 |                     self.out.send(json_join_lobby_message);
Dec 19 19:34:01.153 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.153 INFO [stderr]    --> src/main.rs:368:29
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr] 368 |                             self.out.send(json_message);
Dec 19 19:34:01.153 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.153 INFO [stderr]    --> src/main.rs:415:21
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr] 415 |                     self.out.send(json_message);
Dec 19 19:34:01.153 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.153 INFO [stderr]    --> src/main.rs:448:21
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr] 448 |                     self.out.send(json_message);
Dec 19 19:34:01.153 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.153 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.153 INFO [stderr]    --> src/main.rs:465:17
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr] 465 |                 self.out.send(json_message);
Dec 19 19:34:01.153 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.153 INFO [stderr]     |
Dec 19 19:34:01.153 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.153 INFO [stderr] 
Dec 19 19:34:01.154 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.154 INFO [stderr]    --> src/main.rs:481:13
Dec 19 19:34:01.154 INFO [stderr]     |
Dec 19 19:34:01.154 INFO [stderr] 481 |             self.out.send(json_message);
Dec 19 19:34:01.154 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.155 INFO [stderr]     |
Dec 19 19:34:01.155 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.155 INFO [stderr] 
Dec 19 19:34:01.155 INFO [stderr] warning: variable `NUM_PLAYERS` should have a snake case name such as `num_players`
Dec 19 19:34:01.156 INFO [stderr]    --> src/main.rs:490:9
Dec 19 19:34:01.156 INFO [stderr]     |
Dec 19 19:34:01.156 INFO [stderr] 490 |     let NUM_PLAYERS = 4;
Dec 19 19:34:01.156 INFO [stderr]     |         ^^^^^^^^^^^
Dec 19 19:34:01.156 INFO [stderr]     |
Dec 19 19:34:01.156 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 19:34:01.156 INFO [stderr] 
Dec 19 19:34:01.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.168 INFO [stderr]    --> src/main.rs:300:21
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr] 300 |                     self.out.send(message_lobby);
Dec 19 19:34:01.168 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 19:34:01.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.168 INFO [stderr] 
Dec 19 19:34:01.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.168 INFO [stderr]    --> src/main.rs:313:21
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr] 313 |                     self.out.send(json_join_lobby_message);
Dec 19 19:34:01.168 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.168 INFO [stderr] 
Dec 19 19:34:01.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.168 INFO [stderr]    --> src/main.rs:368:29
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr] 368 |                             self.out.send(json_message);
Dec 19 19:34:01.168 INFO [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.168 INFO [stderr] 
Dec 19 19:34:01.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.168 INFO [stderr]    --> src/main.rs:415:21
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr] 415 |                     self.out.send(json_message);
Dec 19 19:34:01.168 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.168 INFO [stderr] 
Dec 19 19:34:01.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.168 INFO [stderr]    --> src/main.rs:448:21
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr] 448 |                     self.out.send(json_message);
Dec 19 19:34:01.168 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.168 INFO [stderr] 
Dec 19 19:34:01.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.168 INFO [stderr]    --> src/main.rs:465:17
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr] 465 |                 self.out.send(json_message);
Dec 19 19:34:01.168 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.168 INFO [stderr]     |
Dec 19 19:34:01.168 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.168 INFO [stderr] 
Dec 19 19:34:01.168 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 19:34:01.169 INFO [stderr]    --> src/main.rs:481:13
Dec 19 19:34:01.169 INFO [stderr]     |
Dec 19 19:34:01.169 INFO [stderr] 481 |             self.out.send(json_message);
Dec 19 19:34:01.169 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 19:34:01.169 INFO [stderr]     |
Dec 19 19:34:01.169 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 19:34:01.169 INFO [stderr] 
Dec 19 19:34:01.169 INFO [stderr] warning: variable `NUM_PLAYERS` should have a snake case name such as `num_players`
Dec 19 19:34:01.169 INFO [stderr]    --> src/main.rs:490:9
Dec 19 19:34:01.169 INFO [stderr]     |
Dec 19 19:34:01.169 INFO [stderr] 490 |     let NUM_PLAYERS = 4;
Dec 19 19:34:01.169 INFO [stderr]     |         ^^^^^^^^^^^
Dec 19 19:34:01.169 INFO [stderr]     |
Dec 19 19:34:01.169 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 19 19:34:01.169 INFO [stderr] 
Dec 19 19:34:01.264 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.51s
Dec 19 19:34:02.150 INFO running `"docker" "inspect" "9c089217d9926cd4ec266d0185347b9f99ee187df9fe17bdfbae59ea3d9cb6d5"`
Dec 19 19:34:02.448 INFO running `"docker" "rm" "-f" "9c089217d9926cd4ec266d0185347b9f99ee187df9fe17bdfbae59ea3d9cb6d5"`
Dec 19 19:34:02.758 INFO [stdout] 9c089217d9926cd4ec266d0185347b9f99ee187df9fe17bdfbae59ea3d9cb6d5