[INFO] cloning repository https://github.com/Curtis-Barnhart/othello-ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Curtis-Barnhart/othello-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurtis-Barnhart%2Fothello-ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurtis-Barnhart%2Fothello-ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4bcc266979e59f589a32614173c964dde317ea4
[INFO] checking Curtis-Barnhart/othello-ai against master#f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCurtis-Barnhart%2Fothello-ai" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Curtis-Barnhart/othello-ai
[INFO] finished tweaking git repo https://github.com/Curtis-Barnhart/othello-ai
[INFO] tweaked toml for git repo https://github.com/Curtis-Barnhart/othello-ai written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Curtis-Barnhart/othello-ai on toolchain f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Curtis-Barnhart/othello-ai 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" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1caed9de089f28048c394798f9b054a657820ec874826a1e7f2f9be2bce1446
[INFO] running `Command { std: "docker" "start" "-a" "a1caed9de089f28048c394798f9b054a657820ec874826a1e7f2f9be2bce1446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1caed9de089f28048c394798f9b054a657820ec874826a1e7f2f9be2bce1446", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1caed9de089f28048c394798f9b054a657820ec874826a1e7f2f9be2bce1446", kill_on_drop: false }`
[INFO] [stdout] a1caed9de089f28048c394798f9b054a657820ec874826a1e7f2f9be2bce1446
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28b84bcb0affa93cb73088b6d9cb71628bb7a27e44d5875dfcc8406d845cad92
[INFO] running `Command { std: "docker" "start" "-a" "28b84bcb0affa93cb73088b6d9cb71628bb7a27e44d5875dfcc8406d845cad92", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `magpie::othello::Game`
[INFO] [stdout]  --> src/data.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use magpie::othello::Game;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `McstMemoryAgent`
[INFO] [stdout]  --> src/data.rs:5:51
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::agent::implementations::{BfsExpansion, McstMemoryAgent, RandomAgent, UctDecision, UctSelection};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `McstTree`
[INFO] [stdout]  --> src/data.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::mcst::{McstAgent, McstNode, McstTree};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HumanAgent`
[INFO] [stdout]   --> src/main.rs:18:44
[INFO] [stdout]    |
[INFO] [stdout] 18 | use agent::implementations::{BfsExpansion, HumanAgent, McstMemoryAgent, RandomAgent, UctDecision, UctSelection};
[INFO] [stdout]    |                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `benchmark`
[INFO] [stdout]   --> src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | use mcst::{benchmark, McstAgent};
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collect_mcst_data`
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | use data::{collect_mcst_data, turns_to_str, BfsAllGamestates};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `neural::model_b`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use neural::model_b;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rand_core::impls::next_u64_via_u32`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use rand::rand_core::impls::next_u64_via_u32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `VecDeque`
[INFO] [stdout]  --> src/data.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, VecDeque};
[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 import: `magpie::othello::Game`
[INFO] [stdout]  --> src/data.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use magpie::othello::Game;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `McstMemoryAgent`
[INFO] [stdout]  --> src/data.rs:5:51
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::agent::implementations::{BfsExpansion, McstMemoryAgent, RandomAgent, UctDecision, UctSelection};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `McstTree`
[INFO] [stdout]  --> src/data.rs:8:40
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::mcst::{McstAgent, McstNode, McstTree};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::io::stdin;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HumanAgent`
[INFO] [stdout]   --> src/main.rs:18:44
[INFO] [stdout]    |
[INFO] [stdout] 18 | use agent::implementations::{BfsExpansion, HumanAgent, McstMemoryAgent, RandomAgent, UctDecision, UctSelection};
[INFO] [stdout]    |                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `benchmark`
[INFO] [stdout]   --> src/main.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | use mcst::{benchmark, McstAgent};
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collect_mcst_data`
[INFO] [stdout]   --> src/main.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | use data::{collect_mcst_data, turns_to_str, BfsAllGamestates};
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `neural::model_b`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use neural::model_b;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rand_core::impls::next_u64_via_u32`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use rand::rand_core::impls::next_u64_via_u32;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 55 |
[INFO] [stdout] 56 |     let artifact_dir = &env::args().collect::<Vec<String>>()[1];
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MemoryAgent`
[INFO] [stdout]  --> src/data.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::agent::{Agent, MemoryAgent};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IndexedRandom`
[INFO] [stdout]  --> src/mcst.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::seq::IndexedRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]   --> src/mcst.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn turns_passed(&mut self, tree: &McstTree) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/mcst.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set_state(&mut self, state: Gamestate) {}
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/mcst.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let child = &self.tree.root.children[&decision];
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `artifact_dir`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let artifact_dir = &env::args().collect::<Vec<String>>()[1];
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_artifact_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_time`
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let c_time = 5;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uct0`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut uct0 = McstMemoryAgent::new(
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uct0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uct1`
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut uct1 = McstMemoryAgent::new(
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uct1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     for g in BfsAllGamestates::new() {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let (score, turns) = play_memory_agents_from(&mut uct0, &mut uct1, g.clone());
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turns`
[INFO] [stdout]    --> src/main.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let (score, turns) = play_memory_agents_from(&mut uct0, &mut uct1, g.clone());
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_turns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agd`
[INFO] [stdout]    --> src/main.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut agd = g.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_agd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for i in (0..=turns.len()).step_by(2) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/main.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut copy = g.clone();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         for i in (1..=turns.len()).step_by(2) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/main.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             let mut copy = g.clone();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/main.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let mut copy = copy.board().clone();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let (score, turns) = play_memory_agents(&mut uct0, &mut uct1);
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turns`
[INFO] [stdout]    --> src/main.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let (score, turns) = play_memory_agents(&mut uct0, &mut uct1);
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_turns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     return;
[INFO] [stdout]    |     ------ any code following this expression is unreachable
[INFO] [stdout] 55 |
[INFO] [stdout] 56 |     let artifact_dir = &env::args().collect::<Vec<String>>()[1];
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MemoryAgent`
[INFO] [stdout]  --> src/data.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::agent::{Agent, MemoryAgent};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::seq::IndexedRandom`
[INFO] [stdout]  --> src/mcst.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::seq::IndexedRandom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]   --> src/mcst.rs:17:32
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn turns_passed(&mut self, tree: &McstTree) {}
[INFO] [stdout]    |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/mcst.rs:21:29
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn set_state(&mut self, state: Gamestate) {}
[INFO] [stdout]    |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child`
[INFO] [stdout]    --> src/mcst.rs:355:17
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let child = &self.tree.root.children[&decision];
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `artifact_dir`
[INFO] [stdout]   --> src/main.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let artifact_dir = &env::args().collect::<Vec<String>>()[1];
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_artifact_dir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c_time`
[INFO] [stdout]   --> src/main.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let c_time = 5;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_c_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uct0`
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut uct0 = McstMemoryAgent::new(
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uct0`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uct1`
[INFO] [stdout]   --> src/main.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let mut uct1 = McstMemoryAgent::new(
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_uct1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `g`
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     for g in BfsAllGamestates::new() {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_g`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:105:14
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let (score, turns) = play_memory_agents_from(&mut uct0, &mut uct1, g.clone());
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turns`
[INFO] [stdout]    --> src/main.rs:105:21
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let (score, turns) = play_memory_agents_from(&mut uct0, &mut uct1, g.clone());
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_turns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `agd`
[INFO] [stdout]    --> src/main.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let mut agd = g.clone();
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_agd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:111:13
[INFO] [stdout]     |
[INFO] [stdout] 111 |         for i in (0..=turns.len()).step_by(2) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/main.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |             let mut copy = g.clone();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |         for i in (1..=turns.len()).step_by(2) {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/main.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             let mut copy = g.clone();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `copy`
[INFO] [stdout]    --> src/main.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let mut copy = copy.board().clone();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_copy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]    --> src/main.rs:142:14
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let (score, turns) = play_memory_agents(&mut uct0, &mut uct1);
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turns`
[INFO] [stdout]    --> src/main.rs:142:21
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let (score, turns) = play_memory_agents(&mut uct0, &mut uct1);
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_turns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 54s
[INFO] running `Command { std: "docker" "inspect" "28b84bcb0affa93cb73088b6d9cb71628bb7a27e44d5875dfcc8406d845cad92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b84bcb0affa93cb73088b6d9cb71628bb7a27e44d5875dfcc8406d845cad92", kill_on_drop: false }`
[INFO] [stdout] 28b84bcb0affa93cb73088b6d9cb71628bb7a27e44d5875dfcc8406d845cad92
