[INFO] cloning repository https://github.com/TanKimzeg/uno
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TanKimzeg/uno" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTanKimzeg%2Funo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTanKimzeg%2Funo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c522ea5f51ac68ca250f52bfb5c6a84a47b9f0c0
[INFO] linting TanKimzeg/uno against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTanKimzeg%2Funo" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TanKimzeg/uno
[INFO] finished tweaking git repo https://github.com/TanKimzeg/uno
[INFO] tweaked toml for git repo https://github.com/TanKimzeg/uno written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TanKimzeg/uno on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TanKimzeg/uno already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.97
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[INFO] [stderr]    Compiling libc v0.2.175
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[INFO] [stderr]     Checking uno v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `uno_game`
[INFO] [stdout]  --> src/game/uno_game.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::game::{cards::*, uno_game};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |             player_id: player_id, card: card.clone() });
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:228:38
[INFO] [stdout]     |
[INFO] [stdout] 228 |             ev.push(GE::UnoPenalty { player_id: player_id });
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:231:37
[INFO] [stdout]     |
[INFO] [stdout] 231 |             ev.push(GE::UnoCalled { player_id: player_id });
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:257:25
[INFO] [stdout]     |
[INFO] [stdout] 257 |                         player_id: player_id,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:273:36
[INFO] [stdout]     |
[INFO] [stdout] 273 |         ev.push(GE::PlayerPassed { player_id: player_id });
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `uno_game`
[INFO] [stdout]  --> src/game/uno_game.rs:1:29
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::game::{cards::*, uno_game};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |             player_id: player_id, card: card.clone() });
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]     = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:228:38
[INFO] [stdout]     |
[INFO] [stdout] 228 |             ev.push(GE::UnoPenalty { player_id: player_id });
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:231:37
[INFO] [stdout]     |
[INFO] [stdout] 231 |             ev.push(GE::UnoCalled { player_id: player_id });
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:257:25
[INFO] [stdout]     |
[INFO] [stdout] 257 |                         player_id: player_id,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]    --> src/game/uno_game.rs:273:36
[INFO] [stdout]     |
[INFO] [stdout] 273 |         ev.push(GE::PlayerPassed { player_id: player_id });
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `player_id`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `previous_player` and `challenge` are never used
[INFO] [stdout]    --> src/game/uno_game.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl UnoGame {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn previous_player(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |     fn challenge(&mut self, challenger_id: usize, challenged_id: usize) -> Vec<GE> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `UnoGame`
[INFO] [stdout]   --> src/game/uno_game.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     pub fn new() -> UnoGame{
[INFO] [stdout] 16 | |         let mut d = UnoDeck::new();
[INFO] [stdout] 17 | |         d.shuffle();
[INFO] [stdout] 18 | |         UnoGame {
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 14 + impl Default for UnoGame {
[INFO] [stdout] 15 +     fn default() -> Self {
[INFO] [stdout] 16 +         Self::new()
[INFO] [stdout] 17 +     }
[INFO] [stdout] 18 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `previous_player` and `challenge` are never used
[INFO] [stdout]    --> src/game/uno_game.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout]  14 | impl UnoGame {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 127 |     fn previous_player(&self) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 306 |     fn challenge(&mut self, challenger_id: usize, challenged_id: usize) -> Vec<GE> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `UnoGame`
[INFO] [stdout]   --> src/game/uno_game.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     pub fn new() -> UnoGame{
[INFO] [stdout] 16 | |         let mut d = UnoDeck::new();
[INFO] [stdout] 17 | |         d.shuffle();
[INFO] [stdout] 18 | |         UnoGame {
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout]    = note: `#[warn(clippy::new_without_default)]` on by default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 14 + impl Default for UnoGame {
[INFO] [stdout] 15 +     fn default() -> Self {
[INFO] [stdout] 16 +         Self::new()
[INFO] [stdout] 17 +     }
[INFO] [stdout] 18 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/game/uno_game.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 if !card.get_number().is_none(){
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `card.get_number().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/game/uno_game.rs:56:20
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 if !card.get_number().is_none(){
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `card.get_number().is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]   --> src/game/uno_game.rs:58:60
[INFO] [stdout]    |
[INFO] [stdout] 58 |                       ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 59 | |                         expect("Top card should be set").clone() });
[INFO] [stdout]    | |________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] help: try removing the `clone` call
[INFO] [stdout]    |
[INFO] [stdout] 58 ~                     ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout] 59 ~                         expect("Top card should be set") });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/game/uno_game.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             return Ok(card);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 112 -             return Ok(card);
[INFO] [stdout] 112 +             Ok(card)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/game/uno_game.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             return Err("No more cards in the deck to draw!".to_string());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 115 -             return Err("No more cards in the deck to draw!".to_string());
[INFO] [stdout] 115 +             Err("No more cards in the deck to draw!".to_string())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let card = hand[card_idx].clone();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `hand[card_idx]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |         self.top_card = Some(card.clone());
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try removing the `clone` call: `card`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:171:41
[INFO] [stdout]     |
[INFO] [stdout] 171 |             player_id: player_id, card: card.clone() });
[INFO] [stdout]     |                                         ^^^^^^^^^^^^ help: try removing the `clone` call: `card`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:172:48
[INFO] [stdout]     |
[INFO] [stdout] 172 |           ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout] 173 | |             expect("Top card should be set").clone() });
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] help: try removing the `clone` call
[INFO] [stdout]     |
[INFO] [stdout] 172 ~         ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout] 173 ~             expect("Top card should be set") });
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `match` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/game/uno_game.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 | /                 match wt {
[INFO] [stdout] 204 | |                     WildType::DRAWFOUR => {
[INFO] [stdout] 205 | |                         let affected_player = self.next_player();
[INFO] [stdout] 206 | |                         ev.push(GE::DrawFourApplied { 
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                     _ => { }
[INFO] [stdout] 212 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout] help: the outer pattern can be modified to include the inner pattern
[INFO] [stdout]    --> src/game/uno_game.rs:202:34
[INFO] [stdout]     |
[INFO] [stdout] 202 |             UnoCard::WildCard(_, wt) => {
[INFO] [stdout]     |                                  ^^ replace this binding
[INFO] [stdout] 203 |                 match wt {
[INFO] [stdout] 204 |                     WildType::DRAWFOUR => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ with this pattern
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]   --> src/game/uno_game.rs:58:60
[INFO] [stdout]    |
[INFO] [stdout] 58 |                       ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout]    |  ____________________________________________________________^
[INFO] [stdout] 59 | |                         expect("Top card should be set").clone() });
[INFO] [stdout]    | |________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout]    = note: `#[warn(clippy::clone_on_copy)]` on by default
[INFO] [stdout] help: try removing the `clone` call
[INFO] [stdout]    |
[INFO] [stdout] 58 ~                     ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout] 59 ~                         expect("Top card should be set") });
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]    --> src/game/uno_game.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 | /                 match wt {
[INFO] [stdout] 204 | |                     WildType::DRAWFOUR => {
[INFO] [stdout] 205 | |                         let affected_player = self.next_player();
[INFO] [stdout] 206 | |                         ev.push(GE::DrawFourApplied { 
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                     _ => { }
[INFO] [stdout] 212 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 203 ~                 if wt == WildType::DRAWFOUR {
[INFO] [stdout] 204 +                     let affected_player = self.next_player();
[INFO] [stdout] 205 +                     ev.push(GE::DrawFourApplied { 
[INFO] [stdout] 206 +                         target_player_id: self.players[affected_player].id });
[INFO] [stdout] 207 +                     ev.extend( self.cards_distribution(affected_player, 4) );
[INFO] [stdout] 208 +                     self.current_player = self.next_player();
[INFO] [stdout] 209 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:253:61
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 self.players[self.current_player].push_card(drawn_card.clone());
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `drawn_card`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/game/uno_game.rs:112:13
[INFO] [stdout]     |
[INFO] [stdout] 112 |             return Ok(card);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]     = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 112 -             return Ok(card);
[INFO] [stdout] 112 +             Ok(card)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]    --> src/game/uno_game.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             return Err("No more cards in the deck to draw!".to_string());
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]     |
[INFO] [stdout] 115 -             return Err("No more cards in the deck to draw!".to_string());
[INFO] [stdout] 115 +             Err("No more cards in the deck to draw!".to_string())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]    --> src/game/uno_game.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         scores.sort_by(|a, b| a.1.cmp(&b.1)); // 按分数升序排序
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 288 -         scores.sort_by(|a, b| a.1.cmp(&b.1)); // 按分数升序排序
[INFO] [stdout] 288 +         scores.sort_by_key(|a| a.1); // 按分数升序排序
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let card = hand[card_idx].clone();
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `hand[card_idx]`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:169:30
[INFO] [stdout]     |
[INFO] [stdout] 169 |         self.top_card = Some(card.clone());
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: try removing the `clone` call: `card`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:171:41
[INFO] [stdout]     |
[INFO] [stdout] 171 |             player_id: player_id, card: card.clone() });
[INFO] [stdout]     |                                         ^^^^^^^^^^^^ help: try removing the `clone` call: `card`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:172:48
[INFO] [stdout]     |
[INFO] [stdout] 172 |           ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout]     |  ________________________________________________^
[INFO] [stdout] 173 | |             expect("Top card should be set").clone() });
[INFO] [stdout]     | |____________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] help: try removing the `clone` call
[INFO] [stdout]     |
[INFO] [stdout] 172 ~         ev.push(GE::TopCardChanged { top_card: self.top_card.
[INFO] [stdout] 173 ~             expect("Top card should be set") });
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `match` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/game/uno_game.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 | /                 match wt {
[INFO] [stdout] 204 | |                     WildType::DRAWFOUR => {
[INFO] [stdout] 205 | |                         let affected_player = self.next_player();
[INFO] [stdout] 206 | |                         ev.push(GE::DrawFourApplied { 
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                     _ => { }
[INFO] [stdout] 212 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout] help: the outer pattern can be modified to include the inner pattern
[INFO] [stdout]    --> src/game/uno_game.rs:202:34
[INFO] [stdout]     |
[INFO] [stdout] 202 |             UnoCard::WildCard(_, wt) => {
[INFO] [stdout]     |                                  ^^ replace this binding
[INFO] [stdout] 203 |                 match wt {
[INFO] [stdout] 204 |                     WildType::DRAWFOUR => {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^ with this pattern
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for an equality check. Consider using `if`
[INFO] [stdout]    --> src/game/uno_game.rs:203:17
[INFO] [stdout]     |
[INFO] [stdout] 203 | /                 match wt {
[INFO] [stdout] 204 | |                     WildType::DRAWFOUR => {
[INFO] [stdout] 205 | |                         let affected_player = self.next_player();
[INFO] [stdout] 206 | |                         ev.push(GE::DrawFourApplied { 
[INFO] [stdout] ...   |
[INFO] [stdout] 211 | |                     _ => { }
[INFO] [stdout] 212 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 203 ~                 if wt == WildType::DRAWFOUR {
[INFO] [stdout] 204 +                     let affected_player = self.next_player();
[INFO] [stdout] 205 +                     ev.push(GE::DrawFourApplied { 
[INFO] [stdout] 206 +                         target_player_id: self.players[affected_player].id });
[INFO] [stdout] 207 +                     ev.extend( self.cards_distribution(affected_player, 4) );
[INFO] [stdout] 208 +                     self.current_player = self.next_player();
[INFO] [stdout] 209 +                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `UnoCard` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/uno_game.rs:253:61
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 self.players[self.current_player].push_card(drawn_card.clone());
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `drawn_card`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]    --> src/game/uno_game.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |         scores.sort_by(|a, b| a.1.cmp(&b.1)); // 按分数升序排序
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]     = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 288 -         scores.sort_by(|a, b| a.1.cmp(&b.1)); // 按分数升序排序
[INFO] [stdout] 288 +         scores.sort_by_key(|a| a.1); // 按分数升序排序
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 color.to_string(),
[INFO] [stdout]    |                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]    = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 number.to_string()
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 write!(f, "Action Card: {} {}", color.to_string(), action.to_string())?
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:53:74
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 write!(f, "Action Card: {} {}", color.to_string(), action.to_string())?
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:57:54
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     write!(f, "  Wild Card: {} {}", c.to_string(), wild_type.to_string())?
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:57:77
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     write!(f, "  Wild Card: {} {}", c.to_string(), wild_type.to_string())?
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:59:59
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     write!(f, "  Wild Card: {}", wild_type.to_string())?
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/game/cards.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     match card {
[INFO] [stdout] 85 | |         UnoCard::WildCard(_, _) => true,
[INFO] [stdout] 86 | |         _ => false,
[INFO] [stdout] 87 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 84 -     match card {
[INFO] [stdout] 85 -         UnoCard::WildCard(_, _) => true,
[INFO] [stdout] 86 -         _ => false,
[INFO] [stdout] 87 -     }
[INFO] [stdout] 84 +     matches!(card, UnoCard::WildCard(_, _))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/game/cards.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     if card_num == None || top_card_num == None || card.get_number() != top_card.get_number() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `card_num.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]     = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/game/cards.rs:100:28
[INFO] [stdout]     |
[INFO] [stdout] 100 |     if card_num == None || top_card_num == None || card.get_number() != top_card.get_number() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `top_card_num.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:49:22
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 color.to_string(),
[INFO] [stdout]    |                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]    = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:50:23
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 number.to_string()
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:53:54
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 write!(f, "Action Card: {} {}", color.to_string(), action.to_string())?
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:53:74
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 write!(f, "Action Card: {} {}", color.to_string(), action.to_string())?
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:218:45
[INFO] [stdout]     |
[INFO] [stdout] 218 |             Number::ZERO => write!(f, "{}", "0")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout]     = note: `#[warn(clippy::write_literal)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 218 -             Number::ZERO => write!(f, "{}", "0")?,
[INFO] [stdout] 218 +             Number::ZERO => write!(f, "0")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:57:54
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     write!(f, "  Wild Card: {} {}", c.to_string(), wild_type.to_string())?
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:57:77
[INFO] [stdout]    |
[INFO] [stdout] 57 |                     write!(f, "  Wild Card: {} {}", c.to_string(), wild_type.to_string())?
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:219:44
[INFO] [stdout]     |
[INFO] [stdout] 219 |             Number::ONE => write!(f, "{}", "1")?,
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 219 -             Number::ONE => write!(f, "{}", "1")?,
[INFO] [stdout] 219 +             Number::ONE => write!(f, "1")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/cards.rs:59:59
[INFO] [stdout]    |
[INFO] [stdout] 59 |                     write!(f, "  Wild Card: {}", wild_type.to_string())?
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:220:44
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Number::TWO => write!(f, "{}", "2")?,
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 220 -             Number::TWO => write!(f, "{}", "2")?,
[INFO] [stdout] 220 +             Number::TWO => write!(f, "2")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:221:46
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Number::THREE => write!(f, "{}", "3")?,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 221 -             Number::THREE => write!(f, "{}", "3")?,
[INFO] [stdout] 221 +             Number::THREE => write!(f, "3")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: match expression looks like `matches!` macro
[INFO] [stdout]   --> src/game/cards.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 | /     match card {
[INFO] [stdout] 85 | |         UnoCard::WildCard(_, _) => true,
[INFO] [stdout] 86 | |         _ => false,
[INFO] [stdout] 87 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_like_matches_macro
[INFO] [stdout]    = note: `#[warn(clippy::match_like_matches_macro)]` on by default
[INFO] [stdout] help: use `matches!` directly
[INFO] [stdout]    |
[INFO] [stdout] 84 -     match card {
[INFO] [stdout] 85 -         UnoCard::WildCard(_, _) => true,
[INFO] [stdout] 86 -         _ => false,
[INFO] [stdout] 87 -     }
[INFO] [stdout] 84 +     matches!(card, UnoCard::WildCard(_, _))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:222:45
[INFO] [stdout]     |
[INFO] [stdout] 222 |             Number::FOUR => write!(f, "{}", "4")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 222 -             Number::FOUR => write!(f, "{}", "4")?,
[INFO] [stdout] 222 +             Number::FOUR => write!(f, "4")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/game/cards.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 |     if card_num == None || top_card_num == None || card.get_number() != top_card.get_number() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `card_num.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout]     = note: `#[warn(clippy::partialeq_to_none)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:223:45
[INFO] [stdout]     |
[INFO] [stdout] 223 |             Number::FIVE => write!(f, "{}", "5")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 223 -             Number::FIVE => write!(f, "{}", "5")?,
[INFO] [stdout] 223 +             Number::FIVE => write!(f, "5")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: binary comparison to literal `Option::None`
[INFO] [stdout]    --> src/game/cards.rs:100:28
[INFO] [stdout]     |
[INFO] [stdout] 100 |     if card_num == None || top_card_num == None || card.get_number() != top_card.get_number() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^ help: use `Option::is_none()` instead: `top_card_num.is_none()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:224:44
[INFO] [stdout]     |
[INFO] [stdout] 224 |             Number::SIX => write!(f, "{}", "6")?,
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 224 -             Number::SIX => write!(f, "{}", "6")?,
[INFO] [stdout] 224 +             Number::SIX => write!(f, "6")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:225:46
[INFO] [stdout]     |
[INFO] [stdout] 225 |             Number::SEVEN => write!(f, "{}", "7")?,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 225 -             Number::SEVEN => write!(f, "{}", "7")?,
[INFO] [stdout] 225 +             Number::SEVEN => write!(f, "7")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:226:46
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Number::EIGHT => write!(f, "{}", "8")?,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 226 -             Number::EIGHT => write!(f, "{}", "8")?,
[INFO] [stdout] 226 +             Number::EIGHT => write!(f, "8")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:227:45
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Number::NINE => write!(f, "{}", "9")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 227 -             Number::NINE => write!(f, "{}", "9")?,
[INFO] [stdout] 227 +             Number::NINE => write!(f, "9")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `UnoDeck`
[INFO] [stdout]    --> src/game/cards.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 292 | /     pub fn new() -> UnoDeck {
[INFO] [stdout] ...   |
[INFO] [stdout] 361 | |         UnoDeck { cards }
[INFO] [stdout] 362 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]     |
[INFO] [stdout] 291 + impl Default for UnoDeck {
[INFO] [stdout] 292 +     fn default() -> Self {
[INFO] [stdout] 293 +         Self::new()
[INFO] [stdout] 294 +     }
[INFO] [stdout] 295 + }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:301:32
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         color: color.clone(),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:310:32
[INFO] [stdout]     |
[INFO] [stdout] 310 |                         color: color.clone(),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:322:28
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     color: color.clone(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:326:28
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     color: color.clone(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:330:28
[INFO] [stdout]     |
[INFO] [stdout] 330 |                     color: color.clone(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:218:45
[INFO] [stdout]     |
[INFO] [stdout] 218 |             Number::ZERO => write!(f, "{}", "0")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout]     = note: `#[warn(clippy::write_literal)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 218 -             Number::ZERO => write!(f, "{}", "0")?,
[INFO] [stdout] 218 +             Number::ZERO => write!(f, "0")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:219:44
[INFO] [stdout]     |
[INFO] [stdout] 219 |             Number::ONE => write!(f, "{}", "1")?,
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 219 -             Number::ONE => write!(f, "{}", "1")?,
[INFO] [stdout] 219 +             Number::ONE => write!(f, "1")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:220:44
[INFO] [stdout]     |
[INFO] [stdout] 220 |             Number::TWO => write!(f, "{}", "2")?,
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 220 -             Number::TWO => write!(f, "{}", "2")?,
[INFO] [stdout] 220 +             Number::TWO => write!(f, "2")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:221:46
[INFO] [stdout]     |
[INFO] [stdout] 221 |             Number::THREE => write!(f, "{}", "3")?,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 221 -             Number::THREE => write!(f, "{}", "3")?,
[INFO] [stdout] 221 +             Number::THREE => write!(f, "3")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:222:45
[INFO] [stdout]     |
[INFO] [stdout] 222 |             Number::FOUR => write!(f, "{}", "4")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 222 -             Number::FOUR => write!(f, "{}", "4")?,
[INFO] [stdout] 222 +             Number::FOUR => write!(f, "4")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:223:45
[INFO] [stdout]     |
[INFO] [stdout] 223 |             Number::FIVE => write!(f, "{}", "5")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 223 -             Number::FIVE => write!(f, "{}", "5")?,
[INFO] [stdout] 223 +             Number::FIVE => write!(f, "5")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:224:44
[INFO] [stdout]     |
[INFO] [stdout] 224 |             Number::SIX => write!(f, "{}", "6")?,
[INFO] [stdout]     |                                            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 224 -             Number::SIX => write!(f, "{}", "6")?,
[INFO] [stdout] 224 +             Number::SIX => write!(f, "6")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:225:46
[INFO] [stdout]     |
[INFO] [stdout] 225 |             Number::SEVEN => write!(f, "{}", "7")?,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 225 -             Number::SEVEN => write!(f, "{}", "7")?,
[INFO] [stdout] 225 +             Number::SEVEN => write!(f, "7")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:226:46
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Number::EIGHT => write!(f, "{}", "8")?,
[INFO] [stdout]     |                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 226 -             Number::EIGHT => write!(f, "{}", "8")?,
[INFO] [stdout] 226 +             Number::EIGHT => write!(f, "8")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: literal with an empty format string
[INFO] [stdout]    --> src/game/cards.rs:227:45
[INFO] [stdout]     |
[INFO] [stdout] 227 |             Number::NINE => write!(f, "{}", "9")?,
[INFO] [stdout]     |                                             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 227 -             Number::NINE => write!(f, "{}", "9")?,
[INFO] [stdout] 227 +             Number::NINE => write!(f, "9")?,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `UnoDeck`
[INFO] [stdout]    --> src/game/cards.rs:292:5
[INFO] [stdout]     |
[INFO] [stdout] 292 | /     pub fn new() -> UnoDeck {
[INFO] [stdout] ...   |
[INFO] [stdout] 361 | |         UnoDeck { cards }
[INFO] [stdout] 362 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]     |
[INFO] [stdout] 291 + impl Default for UnoDeck {
[INFO] [stdout] 292 +     fn default() -> Self {
[INFO] [stdout] 293 +         Self::new()
[INFO] [stdout] 294 +     }
[INFO] [stdout] 295 + }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:301:32
[INFO] [stdout]     |
[INFO] [stdout] 301 |                         color: color.clone(),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:310:32
[INFO] [stdout]     |
[INFO] [stdout] 310 |                         color: color.clone(),
[INFO] [stdout]     |                                ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:322:28
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     color: color.clone(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:326:28
[INFO] [stdout]     |
[INFO] [stdout] 326 |                     color: color.clone(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `clone` on type `Color` which implements the `Copy` trait
[INFO] [stdout]    --> src/game/cards.rs:330:28
[INFO] [stdout]     |
[INFO] [stdout] 330 |                     color: color.clone(),
[INFO] [stdout]     |                            ^^^^^^^^^^^^^ help: try removing the `clone` call: `color`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/events.rs:92:72
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 write!(f, "CardPlayed: id={}, card={}", player_id, card.to_string())?,
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/events.rs:95:70
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 write!(f, "CardDraw: id={}, card={}", player_id, card.to_string())?,
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]    --> src/game/events.rs:107:66
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 write!(f, "TopCardChanged: top_card={}", top_card.to_string())?,
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `EventBus`
[INFO] [stdout]   --> src/ports/bus.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     pub fn new() -> Self {
[INFO] [stdout] 13 | |         EventBus {
[INFO] [stdout] 14 | |             handlers: Vec::new(),
[INFO] [stdout] 15 | |         }
[INFO] [stdout] 16 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 11 + impl Default for EventBus {
[INFO] [stdout] 12 +     fn default() -> Self {
[INFO] [stdout] 13 +         Self::new()
[INFO] [stdout] 14 +     }
[INFO] [stdout] 15 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/events.rs:92:72
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 write!(f, "CardPlayed: id={}, card={}", player_id, card.to_string())?,
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]   --> src/game/events.rs:95:70
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 write!(f, "CardDraw: id={}, card={}", player_id, card.to_string())?,
[INFO] [stdout]    |                                                                      ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `write!` args
[INFO] [stdout]    --> src/game/events.rs:107:66
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 write!(f, "TopCardChanged: top_card={}", top_card.to_string())?,
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you should consider adding a `Default` implementation for `EventBus`
[INFO] [stdout]   --> src/ports/bus.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | /     pub fn new() -> Self {
[INFO] [stdout] 13 | |         EventBus {
[INFO] [stdout] 14 | |             handlers: Vec::new(),
[INFO] [stdout] 15 | |         }
[INFO] [stdout] 16 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default
[INFO] [stdout] help: try adding this
[INFO] [stdout]    |
[INFO] [stdout] 11 + impl Default for EventBus {
[INFO] [stdout] 12 +     fn default() -> Self {
[INFO] [stdout] 13 +         Self::new()
[INFO] [stdout] 14 +     }
[INFO] [stdout] 15 + }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]    --> src/bin/server.rs:202:26
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 message: format!("You start the game!").into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `format!("You start the game!")`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/bin/server.rs:202:26
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 message: format!("You start the game!").into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"You start the game!".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `impl` can be derived
[INFO] [stdout]   --> src/bin/tui_client.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Default for InputFocus { fn default() -> Self { InputFocus::Room } }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derivable_impls
[INFO] [stdout]    = note: `#[warn(clippy::derivable_impls)]` on by default
[INFO] [stdout] help: replace the manual implementation with a derive attribute and mark the default variant
[INFO] [stdout]    |
[INFO] [stdout] 79 + #[derive(Default)]
[INFO] [stdout] 80 ~ enum InputFocus { #[default]
[INFO] [stdout] 81 | Room, Name }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/bin/tui_client.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 | /             if app.cursor > 0 {
[INFO] [stdout] 258 | |                 app.cursor -= 1;
[INFO] [stdout] 259 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 256 ~         KeyCode::Up
[INFO] [stdout] 257 ~             if app.cursor > 0 => {
[INFO] [stdout] 258 |                 app.cursor -= 1;
[INFO] [stdout] 259 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/bin/tui_client.rs:641:13
[INFO] [stdout]     |
[INFO] [stdout] 641 | /             if !c.is_control() {
[INFO] [stdout] 642 | |                 match app.input_focus {
[INFO] [stdout] 643 | |                     InputFocus::Room => if app.room_input.len() < 24 { app.room_input.push(c); },
[INFO] [stdout] 644 | |                     InputFocus::Name => if app.name_input.len() < 24 { app.name_input.push(c); },
[INFO] [stdout] 645 | |                 }
[INFO] [stdout] 646 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 640 ~         KeyCode::Char(c)
[INFO] [stdout] 641 ~             if !c.is_control() => {
[INFO] [stdout] 642 |                 match app.input_focus {
[INFO] [stdout] ...
[INFO] [stdout] 645 |                 }
[INFO] [stdout] 646 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]    --> src/bin/tui_client.rs:757:76
[INFO] [stdout]     |
[INFO] [stdout] 757 |                 app.push_log(format!("Player {} played {}", player_id, card.to_string()))
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]    --> src/bin/tui_client.rs:762:62
[INFO] [stdout]     |
[INFO] [stdout] 762 |                     app.push_log(format!("You drew: {}", card.to_string()));
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/bin/tui_client.rs:768:17
[INFO] [stdout]     |
[INFO] [stdout] 768 | /                 if Some(*player_id) == app.game_state.player_id {
[INFO] [stdout] 769 | |                     if !app.game_state.hand.is_empty() {
[INFO] [stdout] 770 | |                         let idx = app.game_state.hand.len();
[INFO] [stdout] ...   |
[INFO] [stdout] 777 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 768 ~                 if Some(*player_id) == app.game_state.player_id
[INFO] [stdout] 769 ~                     && !app.game_state.hand.is_empty() {
[INFO] [stdout] 770 |                         let idx = app.game_state.hand.len();
[INFO] [stdout] ...
[INFO] [stdout] 775 |                         app.push_log("你刚摸的牌可立即出");
[INFO] [stdout] 776 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless conversion to the same type: `std::string::String`
[INFO] [stdout]    --> src/bin/server.rs:202:26
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 message: format!("You start the game!").into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider removing `.into()`: `format!("You start the game!")`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_conversion
[INFO] [stdout]     = note: `#[warn(clippy::useless_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: useless use of `format!`
[INFO] [stdout]    --> src/bin/server.rs:202:26
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 message: format!("You start the game!").into(),
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"You start the game!".to_string()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_format
[INFO] [stdout]     = note: `#[warn(clippy::useless_format)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/bin/async_server.rs:276:28
[INFO] [stdout]     |
[INFO] [stdout] 276 | async fn send_err(players: &Vec<PlayerSlot>, conn_id: ConnId, msg: &str) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 276 - async fn send_err(players: &Vec<PlayerSlot>, conn_id: ConnId, msg: &str) {
[INFO] [stdout] 276 + async fn send_err(players: &[PlayerSlot], conn_id: ConnId, msg: &str) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `impl` can be derived
[INFO] [stdout]   --> src/bin/tui_client.rs:80:1
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Default for InputFocus { fn default() -> Self { InputFocus::Room } }
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#derivable_impls
[INFO] [stdout]    = note: `#[warn(clippy::derivable_impls)]` on by default
[INFO] [stdout] help: replace the manual implementation with a derive attribute and mark the default variant
[INFO] [stdout]    |
[INFO] [stdout] 79 + #[derive(Default)]
[INFO] [stdout] 80 ~ enum InputFocus { #[default]
[INFO] [stdout] 81 | Room, Name }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/bin/tui_client.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 | /             if app.cursor > 0 {
[INFO] [stdout] 258 | |                 app.cursor -= 1;
[INFO] [stdout] 259 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_match)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 256 ~         KeyCode::Up
[INFO] [stdout] 257 ~             if app.cursor > 0 => {
[INFO] [stdout] 258 |                 app.cursor -= 1;
[INFO] [stdout] 259 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` can be collapsed into the outer `match`
[INFO] [stdout]    --> src/bin/tui_client.rs:641:13
[INFO] [stdout]     |
[INFO] [stdout] 641 | /             if !c.is_control() {
[INFO] [stdout] 642 | |                 match app.input_focus {
[INFO] [stdout] 643 | |                     InputFocus::Room => if app.room_input.len() < 24 { app.room_input.push(c); },
[INFO] [stdout] 644 | |                     InputFocus::Name => if app.name_input.len() < 24 { app.name_input.push(c); },
[INFO] [stdout] 645 | |                 }
[INFO] [stdout] 646 | |             }
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_match
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 640 ~         KeyCode::Char(c)
[INFO] [stdout] 641 ~             if !c.is_control() => {
[INFO] [stdout] 642 |                 match app.input_focus {
[INFO] [stdout] ...
[INFO] [stdout] 645 |                 }
[INFO] [stdout] 646 ~             }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: writing `&Vec` instead of `&[_]` involves a new object where a slice will do
[INFO] [stdout]    --> src/bin/async_server.rs:276:28
[INFO] [stdout]     |
[INFO] [stdout] 276 | async fn send_err(players: &Vec<PlayerSlot>, conn_id: ConnId, msg: &str) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stdout]     = note: `#[warn(clippy::ptr_arg)]` on by default
[INFO] [stdout] help: change this to
[INFO] [stdout]     |
[INFO] [stdout] 276 - async fn send_err(players: &Vec<PlayerSlot>, conn_id: ConnId, msg: &str) {
[INFO] [stdout] 276 + async fn send_err(players: &[PlayerSlot], conn_id: ConnId, msg: &str) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]    --> src/bin/tui_client.rs:757:76
[INFO] [stdout]     |
[INFO] [stdout] 757 |                 app.push_log(format!("Player {} played {}", player_id, card.to_string()))
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout]     = note: `#[warn(clippy::to_string_in_format_args)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `to_string` applied to a type that implements `Display` in `format!` args
[INFO] [stdout]    --> src/bin/tui_client.rs:762:62
[INFO] [stdout]     |
[INFO] [stdout] 762 |                     app.push_log(format!("You drew: {}", card.to_string()));
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^ help: remove this
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#to_string_in_format_args
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this `if` statement can be collapsed
[INFO] [stdout]    --> src/bin/tui_client.rs:768:17
[INFO] [stdout]     |
[INFO] [stdout] 768 | /                 if Some(*player_id) == app.game_state.player_id {
[INFO] [stdout] 769 | |                     if !app.game_state.hand.is_empty() {
[INFO] [stdout] 770 | |                         let idx = app.game_state.hand.len();
[INFO] [stdout] ...   |
[INFO] [stdout] 777 | |                 }
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stdout]     = note: `#[warn(clippy::collapsible_if)]` on by default
[INFO] [stdout] help: collapse nested if block
[INFO] [stdout]     |
[INFO] [stdout] 768 ~                 if Some(*player_id) == app.game_state.player_id
[INFO] [stdout] 769 ~                     && !app.game_state.hand.is_empty() {
[INFO] [stdout] 770 |                         let idx = app.game_state.hand.len();
[INFO] [stdout] ...
[INFO] [stdout] 775 |                         app.push_log("你刚摸的牌可立即出");
[INFO] [stdout] 776 ~                     }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.38s
[INFO] running `Command { std: "docker" "inspect" "65e32012c3bef77cdd837cda3d8caea6f3cf58c55fa94ecf0c70760f05e24e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e32012c3bef77cdd837cda3d8caea6f3cf58c55fa94ecf0c70760f05e24e62", kill_on_drop: false }`
[INFO] [stdout] 65e32012c3bef77cdd837cda3d8caea6f3cf58c55fa94ecf0c70760f05e24e62