[INFO] cloning repository https://github.com/aaarkid/coup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aaarkid/coup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaarkid%2Fcoup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaarkid%2Fcoup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1a8e3421d687bd9c1e962d7412fcb2dcc4b6ef1
[INFO] checking aaarkid/coup/a1a8e3421d687bd9c1e962d7412fcb2dcc4b6ef1 against master#d6c8169c186ab16a3404cd0d0866674018e8a19e for pr-129935
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaarkid%2Fcoup" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaarkid/coup on toolchain d6c8169c186ab16a3404cd0d0866674018e8a19e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aaarkid/coup
[INFO] finished tweaking git repo https://github.com/aaarkid/coup
[INFO] tweaked toml for git repo https://github.com/aaarkid/coup written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aaarkid/coup 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" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5433c9a4499be1b5b0067f11a64d482c7380224c6c94adeecb305221d6d6d922
[INFO] running `Command { std: "docker" "start" "-a" "5433c9a4499be1b5b0067f11a64d482c7380224c6c94adeecb305221d6d6d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5433c9a4499be1b5b0067f11a64d482c7380224c6c94adeecb305221d6d6d922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5433c9a4499be1b5b0067f11a64d482c7380224c6c94adeecb305221d6d6d922", kill_on_drop: false }`
[INFO] [stdout] 5433c9a4499be1b5b0067f11a64d482c7380224c6c94adeecb305221d6d6d922
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+d6c8169c186ab16a3404cd0d0866674018e8a19e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41cba1f0cb7613805c9f904b875719051f5eb6c8401227e3699744003daa07e7
[INFO] running `Command { std: "docker" "start" "-a" "41cba1f0cb7613805c9f904b875719051f5eb6c8401227e3699744003daa07e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.3.7
[INFO] [stderr]     Checking rusty-machine v0.5.4
[INFO] [stderr]     Checking coup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ai::AIPlayer`
[INFO] [stdout]  --> src/main.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::player::{HumanPlayer, ai::AIPlayer};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_machine::prelude::Matrix`
[INFO] [stdout]  --> src/gameai.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rusty_machine::prelude::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Action`, `BlockAction`, and `ChallengeAction`
[INFO] [stdout]  --> src/gameai.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::action::{Action, BlockAction, ChallengeAction};
[INFO] [stdout]   |                     ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::phase::Phase`
[INFO] [stdout]  --> src/gameai.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::phase::Phase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/player/ai.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ai::AIPlayer`
[INFO] [stdout]  --> src/main.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::player::{HumanPlayer, ai::AIPlayer};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rusty_machine::prelude::Matrix`
[INFO] [stdout]  --> src/gameai.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rusty_machine::prelude::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Action`, `BlockAction`, and `ChallengeAction`
[INFO] [stdout]  --> src/gameai.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::action::{Action, BlockAction, ChallengeAction};
[INFO] [stdout]   |                     ^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::phase::Phase`
[INFO] [stdout]  --> src/gameai.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::phase::Phase;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/player/ai.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> src/player/ai.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn choose_action(&self, possible_actions: Vec<Action>, game_state: &GameStateAI) -> Action {
[INFO] [stdout]    |                                                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player_index`
[INFO] [stdout]    --> src/player/ai.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let (action, player_index) = &game_state.history[search];
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/player/ai.rs:168:49
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     Action::Block(block_action, player, char) => {
[INFO] [stdout]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char`
[INFO] [stdout]    --> src/player/ai.rs:168:57
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     Action::Block(block_action, player, char) => {
[INFO] [stdout]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_state`
[INFO] [stdout]   --> src/player/ai.rs:37:60
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn choose_action(&self, possible_actions: Vec<Action>, game_state: &GameStateAI) -> Action {
[INFO] [stdout]    |                                                            ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player_index`
[INFO] [stdout]    --> src/player/ai.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 let (action, player_index) = &game_state.history[search];
[INFO] [stdout]     |                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_player_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/player/ai.rs:168:49
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     Action::Block(block_action, player, char) => {
[INFO] [stdout]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char`
[INFO] [stdout]    --> src/player/ai.rs:168:57
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     Action::Block(block_action, player, char) => {
[INFO] [stdout]     |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `players_lives`, `players_coins`, `revealed_characters`, and `cards_in_hand` are never read
[INFO] [stdout]   --> src/gameai.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GameStateAI {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     pub players_lives: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub players_coins: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub revealed_characters: Vec<Option<Character>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub cards_in_hand: Vec<Character>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameStateAI` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/player/ai.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct AIPlayer {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AIPlayer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/player/ai.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl AIPlayer {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn new(name: String, index: usize) -> AIPlayer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/character.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Character {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn all() -> Vec<Character> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `players_lives`, `players_coins`, `revealed_characters`, and `cards_in_hand` are never read
[INFO] [stdout]   --> src/gameai.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GameStateAI {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 10 |     pub players_lives: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 11 |     pub players_coins: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 12 |     pub revealed_characters: Vec<Option<Character>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub cards_in_hand: Vec<Character>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameStateAI` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/player/ai.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct AIPlayer {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AIPlayer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/player/ai.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl AIPlayer {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn new(name: String, index: usize) -> AIPlayer {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `all` is never used
[INFO] [stdout]   --> src/character.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Character {
[INFO] [stdout]    | -------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn all() -> Vec<Character> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:219:25
[INFO] [stdout]     |
[INFO] [stdout] 219 |                         self.players[current_player].lose_coins(7);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |                         let _ = self.players[current_player].lose_coins(7);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |                         self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 221 |                         let _ = self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:228:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         self.players[current_player].lose_coins(3);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         let _ = self.players[current_player].lose_coins(3);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:230:25
[INFO] [stdout]     |
[INFO] [stdout] 230 |                         self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 230 |                         let _ = self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                         self.players[current_player].remove_card_from_hand(card1);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |                         let _ = self.players[current_player].remove_card_from_hand(card1);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:241:25
[INFO] [stdout]     |
[INFO] [stdout] 241 |                         self.players[current_player].remove_card_from_hand(card2);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 241 |                         let _ = self.players[current_player].remove_card_from_hand(card2);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:246:25
[INFO] [stdout]     |
[INFO] [stdout] 246 |                         self.players[target].lose_coins(amount);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 246 |                         let _ = self.players[target].lose_coins(amount);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:219:25
[INFO] [stdout]     |
[INFO] [stdout] 219 |                         self.players[current_player].lose_coins(7);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 219 |                         let _ = self.players[current_player].lose_coins(7);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:221:25
[INFO] [stdout]     |
[INFO] [stdout] 221 |                         self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 221 |                         let _ = self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:228:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         self.players[current_player].lose_coins(3);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 228 |                         let _ = self.players[current_player].lose_coins(3);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:230:25
[INFO] [stdout]     |
[INFO] [stdout] 230 |                         self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 230 |                         let _ = self.players[target].remove_card_from_hand(card);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 |                         self.players[current_player].remove_card_from_hand(card1);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 240 |                         let _ = self.players[current_player].remove_card_from_hand(card1);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:241:25
[INFO] [stdout]     |
[INFO] [stdout] 241 |                         self.players[current_player].remove_card_from_hand(card2);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 241 |                         let _ = self.players[current_player].remove_card_from_hand(card2);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/game.rs:246:25
[INFO] [stdout]     |
[INFO] [stdout] 246 |                         self.players[target].lose_coins(amount);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 246 |                         let _ = self.players[target].lose_coins(amount);
[INFO] [stdout]     |                         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "41cba1f0cb7613805c9f904b875719051f5eb6c8401227e3699744003daa07e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41cba1f0cb7613805c9f904b875719051f5eb6c8401227e3699744003daa07e7", kill_on_drop: false }`
[INFO] [stdout] 41cba1f0cb7613805c9f904b875719051f5eb6c8401227e3699744003daa07e7