[INFO] cloning repository https://github.com/pierre-reboud/brocciu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pierre-reboud/brocciu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierre-reboud%2Fbrocciu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierre-reboud%2Fbrocciu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e4929cf2af3afaad77bd0fab63f45dc82b73bdf
[INFO] testing pierre-reboud/brocciu against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpierre-reboud%2Fbrocciu" "/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/pierre-reboud/brocciu
[INFO] finished tweaking git repo https://github.com/pierre-reboud/brocciu
[INFO] tweaked toml for git repo https://github.com/pierre-reboud/brocciu written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pierre-reboud/brocciu on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pierre-reboud/brocciu 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `serde_json` dependency)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded plotters-svg v0.3.5
[INFO] [stderr]   Downloaded project-root v0.2.2
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[INFO] [stderr]   Downloaded ttf-parser v0.17.1
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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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29ed76cc64aa926f594448cd128de123edef8c3ae7b45697a2a2562d3bed2fbc
[INFO] running `Command { std: "docker" "start" "-a" "29ed76cc64aa926f594448cd128de123edef8c3ae7b45697a2a2562d3bed2fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29ed76cc64aa926f594448cd128de123edef8c3ae7b45697a2a2562d3bed2fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29ed76cc64aa926f594448cd128de123edef8c3ae7b45697a2a2562d3bed2fbc", kill_on_drop: false }`
[INFO] [stdout] 29ed76cc64aa926f594448cd128de123edef8c3ae7b45697a2a2562d3bed2fbc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce33e64feac7d052bce83cef7584af8abd4510d3c83825a0bf1409cd74de57f0
[INFO] running `Command { std: "docker" "start" "-a" "ce33e64feac7d052bce83cef7584af8abd4510d3c83825a0bf1409cd74de57f0", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling futures-macro v0.3.30
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[INFO] [stderr]    Compiling tokio v1.36.0
[INFO] [stderr]    Compiling image v0.24.9
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]    Compiling futures-util v0.3.30
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[INFO] [stderr]    Compiling serde_with_macros v2.3.3
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling async-io v2.3.1
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[INFO] [stderr]    Compiling env_logger v0.11.1
[INFO] [stderr]    Compiling async-global-executor v2.4.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling futures-executor v0.3.30
[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling plotters-bitmap v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.33
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling serde_with v2.3.3
[INFO] [stderr]    Compiling plotters v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tokio-native-tls v0.3.1
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling h2 v0.3.24
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.24
[INFO] [stderr]    Compiling lichess-api v0.3.0
[INFO] [stderr]    Compiling brocciu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/api.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/api.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]  --> src/api.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::JoinHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::JoinHandle as tJoinHandle`
[INFO] [stdout]   --> src/api.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::task::JoinHandle as tJoinHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mcts::search::NoAvailableMoveError`
[INFO] [stdout]  --> src/game.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::mcts::search::NoAvailableMoveError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chess::Color as ChessColor`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chess::Color as ChessColor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::model::challenges::ChallengeJson`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lichess_api::model::challenges::ChallengeJson;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/game.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]   --> src/game.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::model::Color as ApiColor`
[INFO] [stdout]   --> src/game.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use lichess_api::model::Color as ApiColor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::boxed::Box`
[INFO] [stdout]   --> src/game.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/game.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chess::ChessMove`
[INFO] [stdout]  --> src/mcts/search.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chess::ChessMove;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Error`
[INFO] [stdout]  --> src/mcts/search.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::boxed::Box`
[INFO] [stdout]  --> src/mcts/search.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/mcts/search.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]  --> src/mcts/search.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{borrow::BorrowMut, io::Read};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::api::board`
[INFO] [stdout]  --> src/mcts/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lichess_api::api::board;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/mcts/tree.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/mcts/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/mcts/tree.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rc` and `Weak`
[INFO] [stdout]  --> src/mcts/tree.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::{Rc, Weak};
[INFO] [stdout]   |               ^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::current`
[INFO] [stdout]  --> src/mcts/tree.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::current;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::select`
[INFO] [stdout]   --> src/mcts/tree.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::select;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/utils/parse_args.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{seq::SliceRandom, thread_rng};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/utils/parse_args.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `self`
[INFO] [stdout]  --> src/utils/parse_args.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{self, BufReader};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/utils/parse_args.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env` and `iter`
[INFO] [stdout]  --> src/utils/parse_args.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{env, fs, iter};
[INFO] [stdout]   |           ^^^      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BuildHasher`
[INFO] [stdout]  --> src/utils/rc_wrapper.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::BotGame`
[INFO] [stdout]  --> src/utils/threadpool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::game::BotGame;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::client::LichessApi`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lichess_api::client::LichessApi;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GameEventInfo`
[INFO] [stdout]   --> src/main.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lichess_api::model::board::stream::events::{Event, GameEventInfo};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GetQuery`
[INFO] [stdout]   --> src/main.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | use lichess_api::model::bot::stream::game::{Event as BotGameEvent, GetQuery};
[INFO] [stdout]    |                                                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_ids`
[INFO] [stdout]   --> src/api.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut game_ids = Vec::<String>::new();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_ids`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut game_ids = Vec::<String>::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut event_stream = self.lichess_api.bot_stream_incoming_events(request).await;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `make_move_res`
[INFO] [stdout]    --> src/main.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     let make_move_res = lichess_api.lichess_api.bot_make_move(request).await;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_make_move_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `make_move_res`
[INFO] [stdout]    --> src/main.rs:191:29
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let mut make_move_res: Result<bool, lichess_api::error::Error> =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_make_move_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:191:25
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let mut make_move_res: Result<bool, lichess_api::error::Error> =
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/mcts/search.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{borrow::BorrowMut, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/mcts/tree.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/mcts/tree.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut current_board = (*self.game).borrow().current_position();
[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/game.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     mut api: Arc<ApiHandler>,
[INFO] [stdout]    |     ----^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/mcts/tree.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if let SimulationPolicy::Random = simulation_policy {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_head`
[INFO] [stdout]    --> src/utils/graph_visualization.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for (node, x, y, is_head) in &processed_nodes {
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_head`
[INFO] [stdout]   --> src/utils/graph_visualization.rs:79:40
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 .map(|(i, (node, x, y, is_head))| {
[INFO] [stdout]    |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/graph_visualization.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut processed_nodes = nodes
[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/utils/parse_args.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut content =
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(t: T) -> Self {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut api_handle = Arc::new(api::ApiHandler::new().unwrap());
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `queues` is never read
[INFO] [stdout]   --> src/api.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ApiHandler {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     pub lichess_api: lichess_api::client::LichessApi<reqwest::Client>,
[INFO] [stdout] 14 |     pub queues: Mutex<Queues>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wait_queue` and `processing_queue` are never read
[INFO] [stdout]   --> src/api.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Queues {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 21 |     pub wait_queue: Vec<Event>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 22 |     pub processing_queue: Vec<Event>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `botgame_side_to_move` is never used
[INFO] [stdout]   --> src/game.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl BotGame {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn botgame_side_to_move(&mut self) -> chess::Color {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/mcts/node.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Node<'a> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update_statistics`, and `append` are never used
[INFO] [stdout]   --> src/mcts/node.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<'a> Node<'a> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(hash: &'a str) -> Node {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn update_statistics(&mut self, outcome: chess::GameResult) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn append(&mut self, child: Node<'a>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AlphaZero` is never constructed
[INFO] [stdout]    --> src/mcts/tree.rs:482:5
[INFO] [stdout]     |
[INFO] [stdout] 479 | pub enum SelectionPolicy {
[INFO] [stdout]     |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 482 |     AlphaZero,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SelectionPolicy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExpansionPolicy` is never used
[INFO] [stdout]    --> src/mcts/tree.rs:495:10
[INFO] [stdout]     |
[INFO] [stdout] 495 | pub enum ExpansionPolicy {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_graph` is never used
[INFO] [stdout]  --> src/utils/graph_visualization.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn draw_graph(tree_nodes: &HashSet<NodeRef>, head: &NodeRef, title: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strong_count` is never used
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<T> HashableRcRefCell<T> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 58 |     pub fn strong_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl<T: Hash> WeakHashableRcRefCell<T> {
[INFO] [stdout]    | -------------------------------------- associated function in this implementation
[INFO] [stdout] 68 |     pub fn new(t: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strong_count` is never used
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> WeakHashableRcRefCell<T> {
[INFO] [stdout]    | -------------------------------- method in this implementation
[INFO] [stdout] 74 |     pub fn strong_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/utils/threadpool.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `thread`, and `task_receiver` are never read
[INFO] [stdout]   --> src/utils/threadpool.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     task_receiver: Arc<Mutex<Receiver<Job>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/mcts/node.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(hash: &'a str) -> Node {
[INFO] [stdout]    |                       ^^         ---- the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(hash: &'a str) -> Node<'a> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NODE_SIZE` should have a snake case name
[INFO] [stdout]  --> src/utils/graph_visualization.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let NODE_SIZE: f32 = 2_f32;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `node_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_OFFSET` should have a snake case name
[INFO] [stdout]  --> src/utils/graph_visualization.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let X_OFFSET: f32 = 3_f32 * NODE_SIZE;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `x_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TREE_DEPTH_OFFSET` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let TREE_DEPTH_OFFSET: u32 = 50;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `tree_depth_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HEIGHT` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let HEIGHT: u32 = TREE_DEPTH_OFFSET * (y_max - y_min + 2) as u32;
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fHEIGHT` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let fHEIGHT: f32 = HEIGHT as f32;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `f_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_OFFSET` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let Y_OFFSET: f32 = fHEIGHT / ((y_max - y_min + 2) as f32);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `y_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fWIDTH` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let fWIDTH: f32 = *x_s
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `f_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WIDTH` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let WIDTH: u32 = fWIDTH as u32;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `Command { std: "docker" "inspect" "ce33e64feac7d052bce83cef7584af8abd4510d3c83825a0bf1409cd74de57f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce33e64feac7d052bce83cef7584af8abd4510d3c83825a0bf1409cd74de57f0", kill_on_drop: false }`
[INFO] [stdout] ce33e64feac7d052bce83cef7584af8abd4510d3c83825a0bf1409cd74de57f0
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec404a61d34940198a14519d2b942c615c8dd94112fad5c196fd91bb32fef0e
[INFO] running `Command { std: "docker" "start" "-a" "9ec404a61d34940198a14519d2b942c615c8dd94112fad5c196fd91bb32fef0e", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `serde_json` dependency)
[INFO] [stderr]    Compiling brocciu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/api.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/api.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::JoinHandle`
[INFO] [stdout]  --> src/api.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::JoinHandle;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::JoinHandle as tJoinHandle`
[INFO] [stdout]   --> src/api.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use tokio::task::JoinHandle as tJoinHandle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mcts::search::NoAvailableMoveError`
[INFO] [stdout]  --> src/game.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::mcts::search::NoAvailableMoveError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chess::Color as ChessColor`
[INFO] [stdout]  --> src/game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use chess::Color as ChessColor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::model::challenges::ChallengeJson`
[INFO] [stdout]  --> src/game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use lichess_api::model::challenges::ChallengeJson;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::seq::SliceRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/game.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]   --> src/game.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::model::Color as ApiColor`
[INFO] [stdout]   --> src/game.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use lichess_api::model::Color as ApiColor;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::boxed::Box`
[INFO] [stdout]   --> src/game.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::boxed::Box;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/game.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chess::ChessMove`
[INFO] [stdout]  --> src/mcts/search.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chess::ChessMove;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Error`
[INFO] [stdout]  --> src/mcts/search.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::boxed::Box`
[INFO] [stdout]  --> src/mcts/search.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::boxed::Box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]  --> src/mcts/search.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::pin::Pin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::Read`
[INFO] [stdout]  --> src/mcts/search.rs:9:30
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{borrow::BorrowMut, io::Read};
[INFO] [stdout]   |                              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::api::board`
[INFO] [stdout]  --> src/mcts/tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use lichess_api::api::board;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/mcts/tree.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rand::{thread_rng, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/mcts/tree.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/mcts/tree.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rc` and `Weak`
[INFO] [stdout]  --> src/mcts/tree.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::rc::{Rc, Weak};
[INFO] [stdout]   |               ^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::current`
[INFO] [stdout]  --> src/mcts/tree.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread::current;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::select`
[INFO] [stdout]   --> src/mcts/tree.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use tokio::select;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thread_rng`
[INFO] [stdout]  --> src/utils/parse_args.rs:2:30
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{seq::SliceRandom, thread_rng};
[INFO] [stdout]   |                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::Value`
[INFO] [stdout]  --> src/utils/parse_args.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde_json::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `self`
[INFO] [stdout]  --> src/utils/parse_args.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::{self, BufReader};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]  --> src/utils/parse_args.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `env` and `iter`
[INFO] [stdout]  --> src/utils/parse_args.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{env, fs, iter};
[INFO] [stdout]   |           ^^^      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BuildHasher`
[INFO] [stdout]  --> src/utils/rc_wrapper.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stdout]   |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::BotGame`
[INFO] [stdout]  --> src/utils/threadpool.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::game::BotGame;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lichess_api::client::LichessApi`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use lichess_api::client::LichessApi;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GameEventInfo`
[INFO] [stdout]   --> src/main.rs:11:56
[INFO] [stdout]    |
[INFO] [stdout] 11 | use lichess_api::model::board::stream::events::{Event, GameEventInfo};
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `GetQuery`
[INFO] [stdout]   --> src/main.rs:13:68
[INFO] [stdout]    |
[INFO] [stdout] 13 | use lichess_api::model::bot::stream::game::{Event as BotGameEvent, GetQuery};
[INFO] [stdout]    |                                                                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::pin::Pin`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::pin::Pin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MutexGuard`
[INFO] [stdout]   --> src/main.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stdout]    |                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `game_ids`
[INFO] [stdout]   --> src/api.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut game_ids = Vec::<String>::new();
[INFO] [stdout]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_ids`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:61:13
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let mut game_ids = Vec::<String>::new();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/api.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut event_stream = self.lichess_api.bot_stream_incoming_events(request).await;
[INFO] [stdout]    |             ----^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `make_move_res`
[INFO] [stdout]    --> src/main.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     let make_move_res = lichess_api.lichess_api.bot_make_move(request).await;
[INFO] [stdout]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_make_move_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `make_move_res`
[INFO] [stdout]    --> src/main.rs:191:29
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let mut make_move_res: Result<bool, lichess_api::error::Error> =
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_make_move_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:191:25
[INFO] [stdout]     |
[INFO] [stdout] 191 |                     let mut make_move_res: Result<bool, lichess_api::error::Error> =
[INFO] [stdout]     |                         ----^^^^^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `borrow::BorrowMut`
[INFO] [stdout]  --> src/mcts/search.rs:9:11
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::{borrow::BorrowMut, io::Read};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Borrow`
[INFO] [stdout]  --> src/mcts/tree.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BorrowMut`
[INFO] [stdout]  --> src/mcts/tree.rs:4:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut current_board = (*self.game).borrow().current_position();
[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/game.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     mut api: Arc<ApiHandler>,
[INFO] [stdout]    |     ----^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `if let` pattern
[INFO] [stdout]    --> src/mcts/tree.rs:219:12
[INFO] [stdout]     |
[INFO] [stdout] 219 |         if let SimulationPolicy::Random = simulation_policy {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stdout]     = help: consider replacing the `if let` with a `let`
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_head`
[INFO] [stdout]    --> src/utils/graph_visualization.rs:104:22
[INFO] [stdout]     |
[INFO] [stdout] 104 |     for (node, x, y, is_head) in &processed_nodes {
[INFO] [stdout]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_head`
[INFO] [stdout]   --> src/utils/graph_visualization.rs:79:40
[INFO] [stdout]    |
[INFO] [stdout] 79 |                 .map(|(i, (node, x, y, is_head))| {
[INFO] [stdout]    |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/utils/graph_visualization.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut processed_nodes = nodes
[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/utils/parse_args.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut content =
[INFO] [stdout]    |         ----^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:68:16
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn new(t: T) -> Self {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut api_handle = Arc::new(api::ApiHandler::new().unwrap());
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `queues` is never read
[INFO] [stdout]   --> src/api.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ApiHandler {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 13 |     pub lichess_api: lichess_api::client::LichessApi<reqwest::Client>,
[INFO] [stdout] 14 |     pub queues: Mutex<Queues>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wait_queue` and `processing_queue` are never read
[INFO] [stdout]   --> src/api.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Queues {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 21 |     pub wait_queue: Vec<Event>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 22 |     pub processing_queue: Vec<Event>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `botgame_side_to_move` is never used
[INFO] [stdout]   --> src/game.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl BotGame {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn botgame_side_to_move(&mut self) -> chess::Color {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/mcts/node.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Node<'a> {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `update_statistics`, and `append` are never used
[INFO] [stdout]   --> src/mcts/node.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<'a> Node<'a> {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 10 |     pub fn new(hash: &'a str) -> Node {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     pub fn update_statistics(&mut self, outcome: chess::GameResult) -> () {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn append(&mut self, child: Node<'a>) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `AlphaZero` is never constructed
[INFO] [stdout]    --> src/mcts/tree.rs:482:5
[INFO] [stdout]     |
[INFO] [stdout] 479 | pub enum SelectionPolicy {
[INFO] [stdout]     |          --------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 482 |     AlphaZero,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SelectionPolicy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExpansionPolicy` is never used
[INFO] [stdout]    --> src/mcts/tree.rs:495:10
[INFO] [stdout]     |
[INFO] [stdout] 495 | pub enum ExpansionPolicy {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `draw_graph` is never used
[INFO] [stdout]  --> src/utils/graph_visualization.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn draw_graph(tree_nodes: &HashSet<NodeRef>, head: &NodeRef, title: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strong_count` is never used
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl<T> HashableRcRefCell<T> {
[INFO] [stdout]    | ---------------------------- method in this implementation
[INFO] [stdout] 58 |     pub fn strong_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl<T: Hash> WeakHashableRcRefCell<T> {
[INFO] [stdout]    | -------------------------------------- associated function in this implementation
[INFO] [stdout] 68 |     pub fn new(t: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `strong_count` is never used
[INFO] [stdout]   --> src/utils/rc_wrapper.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<T> WeakHashableRcRefCell<T> {
[INFO] [stdout]    | -------------------------------- method in this implementation
[INFO] [stdout] 74 |     pub fn strong_count(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `workers` is never read
[INFO] [stdout]   --> src/utils/threadpool.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ThreadPool {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 11 |     workers: Vec<Worker>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `thread`, and `task_receiver` are never read
[INFO] [stdout]   --> src/utils/threadpool.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Worker {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] 16 |     id: usize,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 17 |     thread: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     task_receiver: Arc<Mutex<Receiver<Job>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/mcts/node.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(hash: &'a str) -> Node {
[INFO] [stdout]    |                       ^^         ---- the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(hash: &'a str) -> Node<'a> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `NODE_SIZE` should have a snake case name
[INFO] [stdout]  --> src/utils/graph_visualization.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let NODE_SIZE: f32 = 2_f32;
[INFO] [stdout]   |         ^^^^^^^^^ help: convert the identifier to snake case: `node_size`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `X_OFFSET` should have a snake case name
[INFO] [stdout]  --> src/utils/graph_visualization.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let X_OFFSET: f32 = 3_f32 * NODE_SIZE;
[INFO] [stdout]   |         ^^^^^^^^ help: convert the identifier to snake case: `x_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `TREE_DEPTH_OFFSET` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let TREE_DEPTH_OFFSET: u32 = 50;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `tree_depth_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HEIGHT` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let HEIGHT: u32 = TREE_DEPTH_OFFSET * (y_max - y_min + 2) as u32;
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fHEIGHT` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let fHEIGHT: f32 = HEIGHT as f32;
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `f_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `Y_OFFSET` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let Y_OFFSET: f32 = fHEIGHT / ((y_max - y_min + 2) as f32);
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `y_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fWIDTH` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let fWIDTH: f32 = *x_s
[INFO] [stdout]    |         ^^^^^^ help: convert the identifier to snake case: `f_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WIDTH` should have a snake case name
[INFO] [stdout]   --> src/utils/graph_visualization.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let WIDTH: u32 = fWIDTH as u32;
[INFO] [stdout]    |         ^^^^^ help: convert the identifier to snake case: `width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "9ec404a61d34940198a14519d2b942c615c8dd94112fad5c196fd91bb32fef0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec404a61d34940198a14519d2b942c615c8dd94112fad5c196fd91bb32fef0e", kill_on_drop: false }`
[INFO] [stdout] 9ec404a61d34940198a14519d2b942c615c8dd94112fad5c196fd91bb32fef0e
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f38333ad2ce2079c4c8ba6e8a3bdf2a794fa18156db59ea7e9998d29d49a60a7
[INFO] running `Command { std: "docker" "start" "-a" "f38333ad2ce2079c4c8ba6e8a3bdf2a794fa18156db59ea7e9998d29d49a60a7", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `serde_json` dependency)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/api.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]  --> src/api.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::pin::Pin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::JoinHandle`
[INFO] [stderr]  --> src/api.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread::JoinHandle;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::task::JoinHandle as tJoinHandle`
[INFO] [stderr]   --> src/api.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use tokio::task::JoinHandle as tJoinHandle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::mcts::search::NoAvailableMoveError`
[INFO] [stderr]  --> src/game.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::mcts::search::NoAvailableMoveError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chess::Color as ChessColor`
[INFO] [stderr]  --> src/game.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use chess::Color as ChessColor;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lichess_api::model::challenges::ChallengeJson`
[INFO] [stderr]  --> src/game.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use lichess_api::model::challenges::ChallengeJson;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::seq::SliceRandom`
[INFO] [stderr]  --> src/game.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::seq::SliceRandom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/game.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MutexGuard`
[INFO] [stderr]   --> src/game.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lichess_api::model::Color as ApiColor`
[INFO] [stderr]   --> src/game.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use lichess_api::model::Color as ApiColor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::boxed::Box`
[INFO] [stderr]   --> src/game.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::boxed::Box;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]   --> src/game.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::pin::Pin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `chess::ChessMove`
[INFO] [stderr]  --> src/mcts/search.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use chess::ChessMove;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Error`
[INFO] [stderr]  --> src/mcts/search.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::boxed::Box`
[INFO] [stderr]  --> src/mcts/search.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::boxed::Box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]  --> src/mcts/search.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::pin::Pin;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::Read`
[INFO] [stderr]  --> src/mcts/search.rs:9:30
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{borrow::BorrowMut, io::Read};
[INFO] [stderr]   |                              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lichess_api::api::board`
[INFO] [stderr]  --> src/mcts/tree.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use lichess_api::api::board;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/mcts/tree.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{thread_rng, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]  --> src/mcts/tree.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::cell::RefCell;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/mcts/tree.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rc` and `Weak`
[INFO] [stderr]  --> src/mcts/tree.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::rc::{Rc, Weak};
[INFO] [stderr]   |               ^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread::current`
[INFO] [stderr]  --> src/mcts/tree.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::thread::current;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tokio::select`
[INFO] [stderr]   --> src/mcts/tree.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use tokio::select;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/utils/parse_args.rs:2:30
[INFO] [stderr]   |
[INFO] [stderr] 2 | use rand::{seq::SliceRandom, thread_rng};
[INFO] [stderr]   |                              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_json::Value`
[INFO] [stderr]  --> src/utils/parse_args.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use serde_json::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader` and `self`
[INFO] [stderr]  --> src/utils/parse_args.rs:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `PathBuf` and `Path`
[INFO] [stderr]  --> src/utils/parse_args.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `env` and `iter`
[INFO] [stderr]  --> src/utils/parse_args.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{env, fs, iter};
[INFO] [stderr]   |           ^^^      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BuildHasher`
[INFO] [stderr]  --> src/utils/rc_wrapper.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::hash::{BuildHasher, Hash, Hasher};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::game::BotGame`
[INFO] [stderr]  --> src/utils/threadpool.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::game::BotGame;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lichess_api::client::LichessApi`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use lichess_api::client::LichessApi;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GameEventInfo`
[INFO] [stderr]   --> src/main.rs:11:56
[INFO] [stderr]    |
[INFO] [stderr] 11 | use lichess_api::model::board::stream::events::{Event, GameEventInfo};
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GetQuery`
[INFO] [stderr]   --> src/main.rs:13:68
[INFO] [stderr]    |
[INFO] [stderr] 13 | use lichess_api::model::bot::stream::game::{Event as BotGameEvent, GetQuery};
[INFO] [stderr]    |                                                                    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::pin::Pin`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::pin::Pin;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MutexGuard`
[INFO] [stderr]   --> src/main.rs:17:29
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::sync::{Arc, Mutex, MutexGuard};
[INFO] [stderr]    |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `game_ids`
[INFO] [stderr]   --> src/api.rs:61:17
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut game_ids = Vec::<String>::new();
[INFO] [stderr]    |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_game_ids`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/api.rs:61:13
[INFO] [stderr]    |
[INFO] [stderr] 61 |         let mut game_ids = Vec::<String>::new();
[INFO] [stderr]    |             ----^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/api.rs:64:13
[INFO] [stderr]    |
[INFO] [stderr] 64 |         let mut event_stream = self.lichess_api.bot_stream_incoming_events(request).await;
[INFO] [stderr]    |             ----^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `make_move_res`
[INFO] [stderr]    --> src/main.rs:137:25
[INFO] [stderr]     |
[INFO] [stderr] 137 |                     let make_move_res = lichess_api.lichess_api.bot_make_move(request).await;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_make_move_res`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `make_move_res`
[INFO] [stderr]    --> src/main.rs:191:29
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     let mut make_move_res: Result<bool, lichess_api::error::Error> =
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_make_move_res`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:191:25
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     let mut make_move_res: Result<bool, lichess_api::error::Error> =
[INFO] [stderr]     |                         ----^^^^^^^^^^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `borrow::BorrowMut`
[INFO] [stderr]  --> src/mcts/search.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{borrow::BorrowMut, io::Read};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Borrow`
[INFO] [stderr]  --> src/mcts/tree.rs:4:19
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BorrowMut`
[INFO] [stderr]  --> src/mcts/tree.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::borrow::{Borrow, BorrowMut};
[INFO] [stderr]   |                           ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut current_board = (*self.game).borrow().current_position();
[INFO] [stderr]    |             ----^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     mut api: Arc<ApiHandler>,
[INFO] [stderr]    |     ----^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `if let` pattern
[INFO] [stderr]    --> src/mcts/tree.rs:219:12
[INFO] [stderr]     |
[INFO] [stderr] 219 |         if let SimulationPolicy::Random = simulation_policy {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this pattern will always match, so the `if let` is useless
[INFO] [stderr]     = help: consider replacing the `if let` with a `let`
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_head`
[INFO] [stderr]    --> src/utils/graph_visualization.rs:104:22
[INFO] [stderr]     |
[INFO] [stderr] 104 |     for (node, x, y, is_head) in &processed_nodes {
[INFO] [stderr]     |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_head`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `is_head`
[INFO] [stderr]   --> src/utils/graph_visualization.rs:79:40
[INFO] [stderr]    |
[INFO] [stderr] 79 |                 .map(|(i, (node, x, y, is_head))| {
[INFO] [stderr]    |                                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_head`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/utils/graph_visualization.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let mut processed_nodes = nodes
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/utils/parse_args.rs:38:9
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut content =
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/utils/rc_wrapper.rs:68:16
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn new(t: T) -> Self {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut api_handle = Arc::new(api::ApiHandler::new().unwrap());
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field `queues` is never read
[INFO] [stderr]   --> src/api.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct ApiHandler {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 13 |     pub lichess_api: lichess_api::client::LichessApi<reqwest::Client>,
[INFO] [stderr] 14 |     pub queues: Mutex<Queues>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `wait_queue` and `processing_queue` are never read
[INFO] [stderr]   --> src/api.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct Queues {
[INFO] [stderr]    |            ------ fields in this struct
[INFO] [stderr] 21 |     pub wait_queue: Vec<Event>,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 22 |     pub processing_queue: Vec<Event>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `botgame_side_to_move` is never used
[INFO] [stderr]   --> src/game.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl BotGame {
[INFO] [stderr]    | ------------ method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub fn botgame_side_to_move(&mut self) -> chess::Color {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stderr]  --> src/mcts/node.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Node<'a> {
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `update_statistics`, and `append` are never used
[INFO] [stderr]   --> src/mcts/node.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl<'a> Node<'a> {
[INFO] [stderr]    | ----------------- associated items in this implementation
[INFO] [stderr] 10 |     pub fn new(hash: &'a str) -> Node {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     pub fn update_statistics(&mut self, outcome: chess::GameResult) -> () {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     pub fn append(&mut self, child: Node<'a>) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `AlphaZero` is never constructed
[INFO] [stderr]    --> src/mcts/tree.rs:482:5
[INFO] [stderr]     |
[INFO] [stderr] 479 | pub enum SelectionPolicy {
[INFO] [stderr]     |          --------------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 482 |     AlphaZero,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SelectionPolicy` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `ExpansionPolicy` is never used
[INFO] [stderr]    --> src/mcts/tree.rs:495:10
[INFO] [stderr]     |
[INFO] [stderr] 495 | pub enum ExpansionPolicy {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `draw_graph` is never used
[INFO] [stderr]  --> src/utils/graph_visualization.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn draw_graph(tree_nodes: &HashSet<NodeRef>, head: &NodeRef, title: &str) {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `strong_count` is never used
[INFO] [stderr]   --> src/utils/rc_wrapper.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 57 | impl<T> HashableRcRefCell<T> {
[INFO] [stderr]    | ---------------------------- method in this implementation
[INFO] [stderr] 58 |     pub fn strong_count(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/utils/rc_wrapper.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 67 | impl<T: Hash> WeakHashableRcRefCell<T> {
[INFO] [stderr]    | -------------------------------------- associated function in this implementation
[INFO] [stderr] 68 |     pub fn new(t: T) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `strong_count` is never used
[INFO] [stderr]   --> src/utils/rc_wrapper.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 73 | impl<T> WeakHashableRcRefCell<T> {
[INFO] [stderr]    | -------------------------------- method in this implementation
[INFO] [stderr] 74 |     pub fn strong_count(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `workers` is never read
[INFO] [stderr]   --> src/utils/threadpool.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct ThreadPool {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 11 |     workers: Vec<Worker>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `id`, `thread`, and `task_receiver` are never read
[INFO] [stderr]   --> src/utils/threadpool.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct Worker {
[INFO] [stderr]    |        ------ fields in this struct
[INFO] [stderr] 16 |     id: usize,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 17 |     thread: thread::JoinHandle<()>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 18 |     task_receiver: Arc<Mutex<Receiver<Job>>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/mcts/node.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(hash: &'a str) -> Node {
[INFO] [stderr]    |                       ^^         ---- the same lifetime is hidden here
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(hash: &'a str) -> Node<'a> {
[INFO] [stderr]    |                                      ++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `NODE_SIZE` should have a snake case name
[INFO] [stderr]  --> src/utils/graph_visualization.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let NODE_SIZE: f32 = 2_f32;
[INFO] [stderr]   |         ^^^^^^^^^ help: convert the identifier to snake case: `node_size`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `X_OFFSET` should have a snake case name
[INFO] [stderr]  --> src/utils/graph_visualization.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let X_OFFSET: f32 = 3_f32 * NODE_SIZE;
[INFO] [stderr]   |         ^^^^^^^^ help: convert the identifier to snake case: `x_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `TREE_DEPTH_OFFSET` should have a snake case name
[INFO] [stderr]   --> src/utils/graph_visualization.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let TREE_DEPTH_OFFSET: u32 = 50;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `tree_depth_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `HEIGHT` should have a snake case name
[INFO] [stderr]   --> src/utils/graph_visualization.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let HEIGHT: u32 = TREE_DEPTH_OFFSET * (y_max - y_min + 2) as u32;
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fHEIGHT` should have a snake case name
[INFO] [stderr]   --> src/utils/graph_visualization.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let fHEIGHT: f32 = HEIGHT as f32;
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `f_height`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `Y_OFFSET` should have a snake case name
[INFO] [stderr]   --> src/utils/graph_visualization.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let Y_OFFSET: f32 = fHEIGHT / ((y_max - y_min + 2) as f32);
[INFO] [stderr]    |         ^^^^^^^^ help: convert the identifier to snake case: `y_offset`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fWIDTH` should have a snake case name
[INFO] [stderr]   --> src/utils/graph_visualization.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let fWIDTH: f32 = *x_s
[INFO] [stderr]    |         ^^^^^^ help: convert the identifier to snake case: `f_width`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WIDTH` should have a snake case name
[INFO] [stderr]   --> src/utils/graph_visualization.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |     let WIDTH: u32 = fWIDTH as u32;
[INFO] [stderr]    |         ^^^^^ help: convert the identifier to snake case: `width`
[INFO] [stderr] 
[INFO] [stderr] warning: `brocciu` (bin "brocciu" test) generated 77 warnings (run `cargo fix --bin "brocciu" --tests` to apply 45 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brocciu-195d9eee17e8c498)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f38333ad2ce2079c4c8ba6e8a3bdf2a794fa18156db59ea7e9998d29d49a60a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f38333ad2ce2079c4c8ba6e8a3bdf2a794fa18156db59ea7e9998d29d49a60a7", kill_on_drop: false }`
[INFO] [stdout] f38333ad2ce2079c4c8ba6e8a3bdf2a794fa18156db59ea7e9998d29d49a60a7
