[INFO] cloning repository https://github.com/bkdaugherty-but-at-facebook/coup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bkdaugherty-but-at-facebook/coup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkdaugherty-but-at-facebook%2Fcoup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkdaugherty-but-at-facebook%2Fcoup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee3651d129df079710299d14ef1a38370c45589e
[INFO] checking bkdaugherty-but-at-facebook/coup against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbkdaugherty-but-at-facebook%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] started tweaking git repo https://github.com/bkdaugherty-but-at-facebook/coup
[INFO] finished tweaking git repo https://github.com/bkdaugherty-but-at-facebook/coup
[INFO] tweaked toml for git repo https://github.com/bkdaugherty-but-at-facebook/coup written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bkdaugherty-but-at-facebook/coup on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bkdaugherty-but-at-facebook/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
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[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9439d3b12603518d20ed9656de5efe80ffdf87222726409937c361247ef863f2
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[INFO] running `Command { std: "docker" "inspect" "9439d3b12603518d20ed9656de5efe80ffdf87222726409937c361247ef863f2", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling fnv v1.0.6
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[INFO] [stderr]    Compiling strsim v0.9.3
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[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
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[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enumset_derive v0.4.4
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking enumset v0.4.5
[INFO] [stderr]     Checking coup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/player/dumb_player.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `anyhow`
[INFO] [stdout]  --> src/player/human_player.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/player/random_player.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/player/random_player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]   --> src/main.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::fmt::{Display};
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SetLoggerError`
[INFO] [stdout]    --> src/main.rs:588:49
[INFO] [stdout]     |
[INFO] [stdout] 588 | use log::{Level, LevelFilter, Metadata, Record, SetLoggerError};
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/player/dumb_player.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `anyhow`
[INFO] [stdout]  --> src/player/human_player.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{anyhow, Result};
[INFO] [stdout]   |              ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Result`
[INFO] [stdout]  --> src/player/random_player.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::thread_rng`
[INFO] [stdout]  --> src/player/random_player.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::thread_rng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Display`
[INFO] [stdout]   --> src/main.rs:21:16
[INFO] [stdout]    |
[INFO] [stdout] 21 | use std::fmt::{Display};
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SetLoggerError`
[INFO] [stdout]    --> src/main.rs:588:49
[INFO] [stdout]     |
[INFO] [stdout] 588 | use log::{Level, LevelFilter, Metadata, Record, SetLoggerError};
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/action/mod.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 |         _ => format!("{:?}", self)
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/action/mod.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Action::Income => "Income".to_string(),
[INFO] [stdout]    |         -------------- matches some of the same values
[INFO] [stdout] 62 |         Action::ForeignAid => "Foreign Aid".to_string(),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 63 |         Action::Tax => "Tax".to_string(),
[INFO] [stdout]    |         ----------- matches some of the same values
[INFO] [stdout] 64 |         Action::Assassinate(..) => "Assassinate".to_string(),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 72 |         _ => format!("{:?}", self)
[INFO] [stdout]    |         ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/player/human_player.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/player/human_player.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/player/random_player.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut options = &mut available_actions[0..num_actions];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/prompter/mod.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 Err(e) => Err(anyhow!("Unable to convert {} ", response)),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/prompter/mod.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 Err(e) => Err(anyhow!("Unable to convert {} ", response)),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/prompter/mod.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |             Err(e) => panic!("oh god"),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut deck = &mut self.driver.field.deck;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:166:21
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let mut deck = &mut self.driver.field.deck;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/main.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let now = time::Instant::now();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |         let mut victim = self.driver.players.get_mut(player_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |         let mut victim_state = self.state.player_states.get_mut(player_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:405:21
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:417:21
[INFO] [stdout]     |
[INFO] [stdout] 417 |                 let mut target = self.state.player_states.get_mut(&target).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:420:21
[INFO] [stdout]     |
[INFO] [stdout] 420 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:425:21
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:430:21
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:468:19
[INFO] [stdout]     |
[INFO] [stdout] 468 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/main.rs:660:9
[INFO] [stdout]     |
[INFO] [stdout] 660 |     for player in 0..config.num_local_players {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num_cards` is never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct GameState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     num_cards: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `starting_cards`, `starting_coins`, `starting_lives`, and `required_coup_coins` are never read
[INFO] [stdout]    --> src/main.rs:622:5
[INFO] [stdout]     |
[INFO] [stdout] 616 | struct GameConfig {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 622 |     starting_cards: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 625 |     starting_coins: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 628 |     starting_lives: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 631 |     required_coup_coins: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GameConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `present` is never used
[INFO] [stdout]  --> src/logger/traits.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Logger {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn present(&self, message: String);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lose_challenge` and `lose_life` are never used
[INFO] [stdout]   --> src/player/traits.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait Player {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn lose_challenge(&mut self, state: &GameState) -> Identity {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn lose_life(&mut self, state: &GameState) -> Identity {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         &deck[0..deck_length].shuffle(&mut rng);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = &deck[0..deck_length].shuffle(&mut rng);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:524:2
[INFO] [stdout]     |
[INFO] [stdout] 524 |     write!(f, "{}:\n", self.player_name);
[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] 524 |     let _ = write!(f, "{}:\n", self.player_name);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:525:2
[INFO] [stdout]     |
[INFO] [stdout] 525 |     write!(f, "\tLives: {}\n", self.num_lives);
[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] 525 |     let _ = write!(f, "\tLives: {}\n", self.num_lives);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:526:2
[INFO] [stdout]     |
[INFO] [stdout] 526 |     write!(f, "\tCoins: {}\n", self.num_coins);
[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] 526 |     let _ = write!(f, "\tCoins: {}\n", self.num_coins);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:528:6
[INFO] [stdout]     |
[INFO] [stdout] 528 |         write!(f, "\tLost Identities: ");
[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] 528 |         let _ = write!(f, "\tLost Identities: ");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:530:3
[INFO] [stdout]     |
[INFO] [stdout] 530 |         write!(f, "{:?} ", life);
[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] 530 |         let _ = write!(f, "{:?} ", life);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:532:6
[INFO] [stdout]     |
[INFO] [stdout] 532 |         write!(f, "\n");
[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] 532 |         let _ = write!(f, "\n");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:646:5
[INFO] [stdout]     |
[INFO] [stdout] 646 |     log::set_logger(&LOGGER).map(|()| log::set_max_level(LevelFilter::Info));
[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] 646 |     let _ = log::set_logger(&LOGGER).map(|()| log::set_max_level(LevelFilter::Info));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/player/traits.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         mem::replace(&mut hand[to_replace], card.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = mem::replace(&mut hand[to_replace], card.clone());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/action/mod.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 72 |         _ => format!("{:?}", self)
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/action/mod.rs:72:6
[INFO] [stdout]    |
[INFO] [stdout] 61 |         Action::Income => "Income".to_string(),
[INFO] [stdout]    |         -------------- matches some of the same values
[INFO] [stdout] 62 |         Action::ForeignAid => "Foreign Aid".to_string(),
[INFO] [stdout]    |         ------------------ matches some of the same values
[INFO] [stdout] 63 |         Action::Tax => "Tax".to_string(),
[INFO] [stdout]    |         ----------- matches some of the same values
[INFO] [stdout] 64 |         Action::Assassinate(..) => "Assassinate".to_string(),
[INFO] [stdout]    |         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 72 |         _ => format!("{:?}", self)
[INFO] [stdout]    |         ^ ...and 7 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/player/human_player.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/player/human_player.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/player/random_player.rs:44:6
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut options = &mut available_actions[0..num_actions];
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/prompter/mod.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |                 Err(e) => Err(anyhow!("Unable to convert {} ", response)),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/prompter/mod.rs:186:21
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 Err(e) => Err(anyhow!("Unable to convert {} ", response)),
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/prompter/mod.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |             Err(e) => panic!("oh god"),
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let mut deck = &mut self.driver.field.deck;
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:166:21
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let mut deck = &mut self.driver.field.deck;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `now`
[INFO] [stdout]    --> src/main.rs:183:6
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let now = time::Instant::now();
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_now`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:379:13
[INFO] [stdout]     |
[INFO] [stdout] 379 |         let mut victim = self.driver.players.get_mut(player_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:396:13
[INFO] [stdout]     |
[INFO] [stdout] 396 |         let mut victim_state = self.state.player_states.get_mut(player_id).unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:405:21
[INFO] [stdout]     |
[INFO] [stdout] 405 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:409:21
[INFO] [stdout]     |
[INFO] [stdout] 409 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:413:21
[INFO] [stdout]     |
[INFO] [stdout] 413 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:417:21
[INFO] [stdout]     |
[INFO] [stdout] 417 |                 let mut target = self.state.player_states.get_mut(&target).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:420:21
[INFO] [stdout]     |
[INFO] [stdout] 420 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:425:21
[INFO] [stdout]     |
[INFO] [stdout] 425 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:430:21
[INFO] [stdout]     |
[INFO] [stdout] 430 |                 let mut player = self.state.player_states.get_mut(&actor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:468:19
[INFO] [stdout]     |
[INFO] [stdout] 468 |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]    --> src/main.rs:660:9
[INFO] [stdout]     |
[INFO] [stdout] 660 |     for player in 0..config.num_local_players {
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num_cards` is never read
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub struct GameState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     num_cards: u8,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `starting_cards`, `starting_coins`, `starting_lives`, and `required_coup_coins` are never read
[INFO] [stdout]    --> src/main.rs:622:5
[INFO] [stdout]     |
[INFO] [stdout] 616 | struct GameConfig {
[INFO] [stdout]     |        ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 622 |     starting_cards: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 625 |     starting_coins: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 628 |     starting_lives: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 631 |     required_coup_coins: u8,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GameConfig` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `present` is never used
[INFO] [stdout]  --> src/logger/traits.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Logger {
[INFO] [stdout]   |           ------ method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 9 |     fn present(&self, message: String);
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lose_challenge` and `lose_life` are never used
[INFO] [stdout]   --> src/player/traits.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait Player {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn lose_challenge(&mut self, state: &GameState) -> Identity {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn lose_life(&mut self, state: &GameState) -> Identity {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/main.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         &deck[0..deck_length].shuffle(&mut rng);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = &deck[0..deck_length].shuffle(&mut rng);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:524:2
[INFO] [stdout]     |
[INFO] [stdout] 524 |     write!(f, "{}:\n", self.player_name);
[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] 524 |     let _ = write!(f, "{}:\n", self.player_name);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:525:2
[INFO] [stdout]     |
[INFO] [stdout] 525 |     write!(f, "\tLives: {}\n", self.num_lives);
[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] 525 |     let _ = write!(f, "\tLives: {}\n", self.num_lives);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:526:2
[INFO] [stdout]     |
[INFO] [stdout] 526 |     write!(f, "\tCoins: {}\n", self.num_coins);
[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] 526 |     let _ = write!(f, "\tCoins: {}\n", self.num_coins);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:528:6
[INFO] [stdout]     |
[INFO] [stdout] 528 |         write!(f, "\tLost Identities: ");
[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] 528 |         let _ = write!(f, "\tLost Identities: ");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:530:3
[INFO] [stdout]     |
[INFO] [stdout] 530 |         write!(f, "{:?} ", life);
[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] 530 |         let _ = write!(f, "{:?} ", life);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:532:6
[INFO] [stdout]     |
[INFO] [stdout] 532 |         write!(f, "\n");
[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] 532 |         let _ = write!(f, "\n");
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:646:5
[INFO] [stdout]     |
[INFO] [stdout] 646 |     log::set_logger(&LOGGER).map(|()| log::set_max_level(LevelFilter::Info));
[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] 646 |     let _ = log::set_logger(&LOGGER).map(|()| log::set_max_level(LevelFilter::Info));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/player/traits.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         mem::replace(&mut hand[to_replace], card.clone());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 41 |         let _ = mem::replace(&mut hand[to_replace], card.clone());
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.73s
[INFO] running `Command { std: "docker" "inspect" "bc646dfec1e9b84cfb1e211decb9f1e89b9034c44ef29e5b54c7d512cd12e864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc646dfec1e9b84cfb1e211decb9f1e89b9034c44ef29e5b54c7d512cd12e864", kill_on_drop: false }`
[INFO] [stdout] bc646dfec1e9b84cfb1e211decb9f1e89b9034c44ef29e5b54c7d512cd12e864
