[INFO] cloning repository https://github.com/gregpennefather/four-monties
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregpennefather/four-monties" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregpennefather%2Ffour-monties", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregpennefather%2Ffour-monties'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 642dcf4344cb53f27e0430900fa1d964ed24a23f
[INFO] testing gregpennefather/four-monties against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregpennefather%2Ffour-monties" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gregpennefather/four-monties
[INFO] finished tweaking git repo https://github.com/gregpennefather/four-monties
[INFO] tweaked toml for git repo https://github.com/gregpennefather/four-monties written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gregpennefather/four-monties on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gregpennefather/four-monties 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17e58c0a5ab4c3936a1f420d83480c116449fe759999cde2f48fad58adc29a36
[INFO] running `Command { std: "docker" "start" "-a" "17e58c0a5ab4c3936a1f420d83480c116449fe759999cde2f48fad58adc29a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17e58c0a5ab4c3936a1f420d83480c116449fe759999cde2f48fad58adc29a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e58c0a5ab4c3936a1f420d83480c116449fe759999cde2f48fad58adc29a36", kill_on_drop: false }`
[INFO] [stdout] 17e58c0a5ab4c3936a1f420d83480c116449fe759999cde2f48fad58adc29a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c86fecb76ec6d54f00a1b62f132ecfae58042f482ed653eef3864cc27197c97
[INFO] running `Command { std: "docker" "start" "-a" "0c86fecb76ec6d54f00a1b62f132ecfae58042f482ed653eef3864cc27197c97", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling num-traits v0.2.17
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[INFO] [stderr]    Compiling destructure_traitobject v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling unsafe-any-ors v1.0.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling typemap-ors v1.0.0
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling arc-swap v1.6.0
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thread-id v4.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ordered-float v2.10.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_yaml v0.8.26
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling log4rs v1.2.0
[INFO] [stderr]    Compiling four-monties v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::default`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default;
[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: `WIDTH`, `mcst::SearchTree`, `randy::Randy`, `result::GameResult`, and `yu::Yu`
[INFO] [stdout]  --> src/main.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |         board::{Board, WIDTH},
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 6 |         result::GameResult, player::Player,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     },
[INFO] [stdout] 8 |     agent::{monty::Monty, randy::Randy, yu::Yu},
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 9 |     tournament::Tournament, mcst::SearchTree,
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::RngCore;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `E` and `RwLock`
[INFO] [stdout]  --> src/mcst/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     f32::consts::{E, SQRT_2},
[INFO] [stdout]   |                   ^
[INFO] [stdout] 3 |     sync::{Arc, RwLock},
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> src/mcst/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex` and `iter::Once`
[INFO] [stdout]  --> src/mcst/node.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     iter::Once,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     sync::{Arc, Mutex, RwLock, Weak},
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]  --> src/mcst/playout.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::result::GameResult`
[INFO] [stdout]  --> src/mcst/record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::game::result::GameResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `game::board::Board` and `mcst::SearchTree`
[INFO] [stdout]  --> src/mcst/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{game::board::Board, mcst::SearchTree};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::Node`
[INFO] [stdout]  --> src/agent/monty.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     mcst::{node::Node, SearchTree},
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `f32::consts::E` and `self`
[INFO] [stdout]  --> src/agent/yu.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{self, stdin}, f32::consts::E};
[INFO] [stdout]   |                ^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> src/agent/yu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/tournament.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mcst/node.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn new_child(&self, index: usize, board: Board) -> Self {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/mcst/mod.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   for i in 0..self.simulations {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mcst/mod.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn expansion(&mut self, mut leaf: ArcNode) {
[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: `board`
[INFO] [stdout]   --> src/agent/monty.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn select_move(&mut self, board: Board) -> usize {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/agent/monty.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for i in 0..self.iterations {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/agent/randy.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn record_move(&mut self, index: usize, board: Board) -> crate::game::board::Board {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/agent/yu.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 Err(e) => println!("Invalid move please select another")
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/agent/yu.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn record_move(&mut self, index: usize, board: Board) -> crate::game::board::Board {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `m_count` is assigned to, but never used
[INFO] [stdout]   --> src/tournament.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut m_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_m_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m_count` is never read
[INFO] [stdout]   --> src/tournament.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             m_count += 1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `cell_empty` and `setup` are never used
[INFO] [stdout]    --> src/game/board.rs:64:8
[INFO] [stdout]     |
[INFO] [stdout]  51 | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  64 |     fn cell_empty(self, x: usize, y: usize) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 140 |     pub fn setup(yellow_bb: u64, blue_bb: u64, column_pieces: [usize; WIDTH]) -> Self {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_state` is never used
[INFO] [stdout]   --> src/mcst/mod.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl SearchTree {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub fn print_state(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `seek` is never used
[INFO] [stdout]   --> src/mcst/node.rs:98:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub trait Node {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 98 |     fn seek(self, board: Board) -> Option<Self>
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]  --> src/mcst/valid_move.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> ValidMove<T> {
[INFO] [stdout]   | -------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Randy` is never constructed
[INFO] [stdout]  --> src/agent/randy.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Randy;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Yu` is never constructed
[INFO] [stdout]  --> src/agent/yu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Yu;
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/mcst/mod.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         leaf.children.set(new_leaves);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = leaf.children.set(new_leaves);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/agent/yu.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             stdin().read_line(&mut entry);
[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] 18 |             let _ = stdin().read_line(&mut entry);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.84s
[INFO] running `Command { std: "docker" "inspect" "0c86fecb76ec6d54f00a1b62f132ecfae58042f482ed653eef3864cc27197c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c86fecb76ec6d54f00a1b62f132ecfae58042f482ed653eef3864cc27197c97", kill_on_drop: false }`
[INFO] [stdout] 0c86fecb76ec6d54f00a1b62f132ecfae58042f482ed653eef3864cc27197c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a12e87fc31c7946bbaaa56cb15d3f822d14ff38ba615afc60e3353bfe4ddc7
[INFO] running `Command { std: "docker" "start" "-a" "90a12e87fc31c7946bbaaa56cb15d3f822d14ff38ba615afc60e3353bfe4ddc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-monties v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::default`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::default;
[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: `WIDTH`, `mcst::SearchTree`, `randy::Randy`, `result::GameResult`, and `yu::Yu`
[INFO] [stdout]  --> src/main.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 |         board::{Board, WIDTH},
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout] 6 |         result::GameResult, player::Player,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 7 |     },
[INFO] [stdout] 8 |     agent::{monty::Monty, randy::Randy, yu::Yu},
[INFO] [stdout]   |                           ^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 9 |     tournament::Tournament, mcst::SearchTree,
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use rand::RngCore;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/game/board.rs:258:36
[INFO] [stdout]     |
[INFO] [stdout] 258 |         assert!(check_vertical(bb, (file + WIDTH * 3)))
[INFO] [stdout]     |                                    ^                ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 258 -         assert!(check_vertical(bb, (file + WIDTH * 3)))
[INFO] [stdout] 258 +         assert!(check_vertical(bb, file + WIDTH * 3 ))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `E` and `RwLock`
[INFO] [stdout]  --> src/mcst/mod.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 |     f32::consts::{E, SQRT_2},
[INFO] [stdout]   |                   ^
[INFO] [stdout] 3 |     sync::{Arc, RwLock},
[INFO] [stdout]   |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> src/mcst/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Mutex` and `iter::Once`
[INFO] [stdout]  --> src/mcst/node.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     iter::Once,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 5 |     sync::{Arc, Mutex, RwLock, Weak},
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]    --> src/mcst/node.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use std::borrow::BorrowMut;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Write`
[INFO] [stdout]  --> src/mcst/playout.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::game::result::GameResult`
[INFO] [stdout]  --> src/mcst/record.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::game::result::GameResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ArcNode` and `NodeContent`
[INFO] [stdout]    --> src/mcst/mod.rs:291:20
[INFO] [stdout]     |
[INFO] [stdout] 291 |             node::{ArcNode, NodeContent},
[INFO] [stdout]     |                    ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `node::Node`
[INFO] [stdout]  --> src/agent/monty.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     mcst::{node::Node, SearchTree},
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `f32::consts::E` and `self`
[INFO] [stdout]  --> src/agent/yu.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{self, stdin}, f32::consts::E};
[INFO] [stdout]   |                ^^^^          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::RngCore`
[INFO] [stdout]  --> src/agent/yu.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::RngCore;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `colored::Colorize`
[INFO] [stdout]  --> src/tournament.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use colored::Colorize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mcst/node.rs:119:25
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn new_child(&self, index: usize, board: Board) -> Self {
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/mcst/tests.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     for i in 0..10 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/mcst/tests.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for i in 0..8 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/mcst/tests.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     for i in 0..50 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/mcst/mod.rs:147:33
[INFO] [stdout]     |
[INFO] [stdout] 147 | ...                   for i in 0..self.simulations {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/mcst/mod.rs:191:33
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn expansion(&mut self, mut leaf: ArcNode) {
[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: `board`
[INFO] [stdout]   --> src/agent/monty.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn select_move(&mut self, board: Board) -> usize {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/agent/monty.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for i in 0..self.iterations {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/agent/randy.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn record_move(&mut self, index: usize, board: Board) -> crate::game::board::Board {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/agent/yu.rs:21:21
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 Err(e) => println!("Invalid move please select another")
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/agent/yu.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn record_move(&mut self, index: usize, board: Board) -> crate::game::board::Board {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `m_count` is assigned to, but never used
[INFO] [stdout]   --> src/tournament.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut m_count = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_m_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `m_count` is never read
[INFO] [stdout]   --> src/tournament.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             m_count += 1;
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cell_empty` is never used
[INFO] [stdout]   --> src/game/board.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Board {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn cell_empty(self, x: usize, y: usize) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid` is never used
[INFO] [stdout]  --> src/mcst/valid_move.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> ValidMove<T> {
[INFO] [stdout]   | -------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Randy` is never constructed
[INFO] [stdout]  --> src/agent/randy.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Randy;
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Yu` is never constructed
[INFO] [stdout]  --> src/agent/yu.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Yu;
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/mcst/mod.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         leaf.children.set(new_leaves);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 224 |         let _ = leaf.children.set(new_leaves);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/agent/yu.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |             stdin().read_line(&mut entry);
[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] 18 |             let _ = stdin().read_line(&mut entry);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "90a12e87fc31c7946bbaaa56cb15d3f822d14ff38ba615afc60e3353bfe4ddc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a12e87fc31c7946bbaaa56cb15d3f822d14ff38ba615afc60e3353bfe4ddc7", kill_on_drop: false }`
[INFO] [stdout] 90a12e87fc31c7946bbaaa56cb15d3f822d14ff38ba615afc60e3353bfe4ddc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b4b64e38c2213523c73da49edd5e970af3d6ac3e3af90f5f47bcce549b58fb8
[INFO] running `Command { std: "docker" "start" "-a" "3b4b64e38c2213523c73da49edd5e970af3d6ac3e3af90f5f47bcce549b58fb8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::default`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::default;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `WIDTH`, `mcst::SearchTree`, `randy::Randy`, `result::GameResult`, and `yu::Yu`
[INFO] [stderr]  --> src/main.rs:5:24
[INFO] [stderr]   |
[INFO] [stderr] 5 |         board::{Board, WIDTH},
[INFO] [stderr]   |                        ^^^^^
[INFO] [stderr] 6 |         result::GameResult, player::Player,
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 7 |     },
[INFO] [stderr] 8 |     agent::{monty::Monty, randy::Randy, yu::Yu},
[INFO] [stderr]   |                           ^^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 9 |     tournament::Tournament, mcst::SearchTree,
[INFO] [stderr]   |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::RngCore`
[INFO] [stderr]   --> src/main.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use rand::RngCore;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/game/board.rs:258:36
[INFO] [stderr]     |
[INFO] [stderr] 258 |         assert!(check_vertical(bb, (file + WIDTH * 3)))
[INFO] [stderr]     |                                    ^                ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 258 -         assert!(check_vertical(bb, (file + WIDTH * 3)))
[INFO] [stderr] 258 +         assert!(check_vertical(bb, file + WIDTH * 3 ))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `E` and `RwLock`
[INFO] [stderr]  --> src/mcst/mod.rs:2:19
[INFO] [stderr]   |
[INFO] [stderr] 2 |     f32::consts::{E, SQRT_2},
[INFO] [stderr]   |                   ^
[INFO] [stderr] 3 |     sync::{Arc, RwLock},
[INFO] [stderr]   |                 ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::RngCore`
[INFO] [stderr]  --> src/mcst/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::RngCore;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Mutex` and `iter::Once`
[INFO] [stderr]  --> src/mcst/node.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     iter::Once,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 5 |     sync::{Arc, Mutex, RwLock, Weak},
[INFO] [stderr]   |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stderr]    --> src/mcst/node.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |     use std::borrow::BorrowMut;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Write`
[INFO] [stderr]  --> src/mcst/playout.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::game::result::GameResult`
[INFO] [stderr]  --> src/mcst/record.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::game::result::GameResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ArcNode` and `NodeContent`
[INFO] [stderr]    --> src/mcst/mod.rs:291:20
[INFO] [stderr]     |
[INFO] [stderr] 291 |             node::{ArcNode, NodeContent},
[INFO] [stderr]     |                    ^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `node::Node`
[INFO] [stderr]  --> src/agent/monty.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 |     mcst::{node::Node, SearchTree},
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `f32::consts::E` and `self`
[INFO] [stderr]  --> src/agent/yu.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{io::{self, stdin}, f32::consts::E};
[INFO] [stderr]   |                ^^^^          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::RngCore`
[INFO] [stderr]  --> src/agent/yu.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use rand::RngCore;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `colored::Colorize`
[INFO] [stderr]  --> src/tournament.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use colored::Colorize;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]    --> src/mcst/node.rs:119:25
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn new_child(&self, index: usize, board: Board) -> Self {
[INFO] [stderr]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]  --> src/mcst/tests.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     for i in 0..10 {
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/mcst/tests.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for i in 0..8 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/mcst/tests.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     for i in 0..50 {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/mcst/mod.rs:147:33
[INFO] [stderr]     |
[INFO] [stderr] 147 | ...                   for i in 0..self.simulations {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/mcst/mod.rs:191:33
[INFO] [stderr]     |
[INFO] [stderr] 191 |     pub fn expansion(&mut self, mut leaf: ArcNode) {
[INFO] [stderr]     |                                 ----^^^^
[INFO] [stderr]     |                                 |
[INFO] [stderr]     |                                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/agent/monty.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn select_move(&mut self, board: Board) -> usize {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/agent/monty.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 26 |         for i in 0..self.iterations {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/agent/randy.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn record_move(&mut self, index: usize, board: Board) -> crate::game::board::Board {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/agent/yu.rs:21:21
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 Err(e) => println!("Invalid move please select another")
[INFO] [stderr]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/agent/yu.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn record_move(&mut self, index: usize, board: Board) -> crate::game::board::Board {
[INFO] [stderr]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `m_count` is assigned to, but never used
[INFO] [stderr]   --> src/tournament.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut m_count = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_m_count` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `m_count` is never read
[INFO] [stderr]   --> src/tournament.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |             m_count += 1;
[INFO] [stderr]    |             ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `cell_empty` is never used
[INFO] [stderr]   --> src/game/board.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl Board {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 64 |     fn cell_empty(self, x: usize, y: usize) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_valid` is never used
[INFO] [stderr]  --> src/mcst/valid_move.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<T> ValidMove<T> {
[INFO] [stderr]   | -------------------- method in this implementation
[INFO] [stderr] 9 |     pub fn is_valid(&self) -> bool {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Randy` is never constructed
[INFO] [stderr]  --> src/agent/randy.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct Randy;
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Yu` is never constructed
[INFO] [stderr]  --> src/agent/yu.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Yu;
[INFO] [stderr]   |            ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/mcst/mod.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         leaf.children.set(new_leaves);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 224 |         let _ = leaf.children.set(new_leaves);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/agent/yu.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |             stdin().read_line(&mut entry);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 18 |             let _ = stdin().read_line(&mut entry);
[INFO] [stderr]    |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `four-monties` (bin "four-monties" test) generated 34 warnings (run `cargo fix --bin "four-monties" -p four-monties --tests` to apply 26 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/four_monties-a7132536c502436f)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test game::board::test::check_diagonal_case_0 ... ok
[INFO] [stdout] test game::board::test::check_diagonal_case_1 ... ok
[INFO] [stdout] test game::board::test::check_diagonal_case_2 ... ok
[INFO] [stdout] test game::board::test::check_diagonal_br_wrapping_fails ... ok
[INFO] [stdout] test game::board::test::check_diagonal_case_3 ... ok
[INFO] [stdout] test game::board::test::check_diagonal_valid_starting_in_bottom_corner_0 ... ok
[INFO] [stdout] test game::board::test::check_horizontal_case_0 ... ok
[INFO] [stdout] test game::board::test::check_diagonal_bl_not_on_file_0 ... ok
[INFO] [stdout] test game::board::test::check_horizontal_case_1 ... ok
[INFO] [stdout] test game::board::test::check_horizontal_no_wrapping_wins ... ok
[INFO] [stdout] test game::board::test::check_horizontal_only_win_on_left_side ... ok
[INFO] [stdout] test game::board::test::check_horizontal_valid_win ... ok
[INFO] [stdout] test game::board::test::check_diagonal_case_4 ... ok
[INFO] [stdout] test mcst::node::test::find_child_on_root_returns_root ... ok
[INFO] [stdout] test mcst::test::insert_to_tree_root ... ok
[INFO] [stdout] test game::board::test::check_diagonal_br_not_on_file_0 ... ok
[INFO] [stdout] test game::board::test::check_diagonal_bl_wrapping_fails ... ok
[INFO] [stdout] test game::board::test::check_vertical_below_4th_row_fails ... ok
[INFO] [stdout] test game::board::test::update_winner_move_leading_to_draw ... ok
[INFO] [stdout] test game::board::test::check_vertical_above_4th_row_but_missing_a_position ... ok
[INFO] [stdout] test game::board::test::check_vertical_valid_win ... ok
[INFO] [stdout] test game::board::test::check_vertical_win_with_noise ... ok
[INFO] [stdout] test game::board::test::check_diagonal_valid_starting_in_bottom_corner_6 ... ok
[INFO] [stdout] test mcst::tests::opponent_can_win_next_move_should_but_so_can_player_should_win ... ok
[INFO] [stdout] test mcst::tests::winning_move_possible ... ok
[INFO] [stdout] test mcst::tests::opponent_can_win_next_move_should_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b4b64e38c2213523c73da49edd5e970af3d6ac3e3af90f5f47bcce549b58fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4b64e38c2213523c73da49edd5e970af3d6ac3e3af90f5f47bcce549b58fb8", kill_on_drop: false }`
[INFO] [stdout] 3b4b64e38c2213523c73da49edd5e970af3d6ac3e3af90f5f47bcce549b58fb8
