[INFO] cloning repository https://github.com/starrtnow/mcts-connect-four
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/starrtnow/mcts-connect-four" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarrtnow%2Fmcts-connect-four", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarrtnow%2Fmcts-connect-four'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 463ec5ceebff5936c0b2e77abf138dab9a80ab20
[INFO] testing starrtnow/mcts-connect-four against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstarrtnow%2Fmcts-connect-four" "/workspace/builds/worker-18/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-18/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/starrtnow/mcts-connect-four on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/starrtnow/mcts-connect-four
[INFO] finished tweaking git repo https://github.com/starrtnow/mcts-connect-four
[INFO] tweaked toml for git repo https://github.com/starrtnow/mcts-connect-four written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate git repo https://github.com/starrtnow/mcts-connect-four already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a27a92983e0c6addce7f874af0e2897383b0e27687832c0e16585a14405c31be
[INFO] running `Command { std: "docker" "start" "-a" "a27a92983e0c6addce7f874af0e2897383b0e27687832c0e16585a14405c31be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a27a92983e0c6addce7f874af0e2897383b0e27687832c0e16585a14405c31be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27a92983e0c6addce7f874af0e2897383b0e27687832c0e16585a14405c31be", kill_on_drop: false }`
[INFO] [stdout] a27a92983e0c6addce7f874af0e2897383b0e27687832c0e16585a14405c31be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae10b78731d8681d1d4ed6b0777abd0900cf2594fc79d418f283cd552b14c97
[INFO] running `Command { std: "docker" "start" "-a" "0ae10b78731d8681d1d4ed6b0777abd0900cf2594fc79d418f283cd552b14c97", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling time v0.1.35
[INFO] [stderr]    Compiling connect_three v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/game_state.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stdout]    |         ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stdout] 47 +         self.x <= BOARD_WIDTH && self.x  >= 0
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/game_state.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |         if (column[i] == Color::Empty){
[INFO] [stdout]    |            ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -         if (column[i] == Color::Empty){
[INFO] [stdout] 53 +         if column[i] == Color::Empty {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/monte_carlo.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         (self.win_tie as f64 / self.num_plays as f64)
[INFO] [stdout]    |         ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         (self.win_tie as f64 / self.num_plays as f64)
[INFO] [stdout] 27 +         self.win_tie as f64 / self.num_plays as f64
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/monte_carlo.rs:243:19
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 if(uct > best_uct){
[INFO] [stdout]     |                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -                 if(uct > best_uct){
[INFO] [stdout] 243 +                 if uct > best_uct {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/game_state.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn push_back(item : Color, column : &mut [Color; 6]) -> usize{
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/monte_carlo.rs:66:54
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn run_simulation(state : game_state::GameState, player : game_state::Color) -> game_state::End{ 
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `optimal_move_highest_win`
[INFO] [stdout]    --> src/monte_carlo.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn optimal_move_highest_win(possible_moves : &Vec<(game_state::Move, &UCTData)>) -> game_state::Move{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/game_state.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stepX` should have a snake case name
[INFO] [stdout]    --> src/game_state.rs:109:62
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
[INFO] [stdout]     |                                                              ^^^^^ help: convert the identifier to snake case: `step_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stepY` should have a snake case name
[INFO] [stdout]    --> src/game_state.rs:109:75
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
[INFO] [stdout]     |                                                                           ^^^^^ help: convert the identifier to snake case: `step_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/game_state.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/game_state.rs:114:46
[INFO] [stdout]     |
[INFO] [stdout] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.59s
[INFO] running `Command { std: "docker" "inspect" "0ae10b78731d8681d1d4ed6b0777abd0900cf2594fc79d418f283cd552b14c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae10b78731d8681d1d4ed6b0777abd0900cf2594fc79d418f283cd552b14c97", kill_on_drop: false }`
[INFO] [stdout] 0ae10b78731d8681d1d4ed6b0777abd0900cf2594fc79d418f283cd552b14c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07c904937c16f6c54ce8d2fab8209d1a57d7f6083af2dae1e486e6b11b55a726
[INFO] running `Command { std: "docker" "start" "-a" "07c904937c16f6c54ce8d2fab8209d1a57d7f6083af2dae1e486e6b11b55a726", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling connect_three v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/game_state.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stdout]    |         ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stdout] 47 +         self.x <= BOARD_WIDTH && self.x  >= 0
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/game_state.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |         if (column[i] == Color::Empty){
[INFO] [stdout]    |            ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 -         if (column[i] == Color::Empty){
[INFO] [stdout] 53 +         if column[i] == Color::Empty {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/game_state.rs:190:9
[INFO] [stdout]     |
[INFO] [stdout] 190 |     use super::*; 
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/monte_carlo.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |         (self.win_tie as f64 / self.num_plays as f64)
[INFO] [stdout]    |         ^                                           ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         (self.win_tie as f64 / self.num_plays as f64)
[INFO] [stdout] 27 +         self.win_tie as f64 / self.num_plays as f64
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/monte_carlo.rs:243:19
[INFO] [stdout]     |
[INFO] [stdout] 243 |                 if(uct > best_uct){
[INFO] [stdout]     |                   ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 243 -                 if(uct > best_uct){
[INFO] [stdout] 243 +                 if uct > best_uct {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]   --> src/game_state.rs:51:14
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn push_back(item : Color, column : &mut [Color; 6]) -> usize{
[INFO] [stdout]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `player`
[INFO] [stdout]   --> src/monte_carlo.rs:66:54
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn run_simulation(state : game_state::GameState, player : game_state::Color) -> game_state::End{ 
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `optimal_move_highest_win`
[INFO] [stdout]    --> src/monte_carlo.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn optimal_move_highest_win(possible_moves : &Vec<(game_state::Move, &UCTData)>) -> game_state::Move{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/game_state.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stdout]    |                                   ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stepX` should have a snake case name
[INFO] [stdout]    --> src/game_state.rs:109:62
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
[INFO] [stdout]     |                                                              ^^^^^ help: convert the identifier to snake case: `step_x`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `stepY` should have a snake case name
[INFO] [stdout]    --> src/game_state.rs:109:75
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
[INFO] [stdout]     |                                                                           ^^^^^ help: convert the identifier to snake case: `step_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/game_state.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/game_state.rs:114:46
[INFO] [stdout]     |
[INFO] [stdout] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/connect_three-09f3ebd17d0d15e0)
[INFO] running `Command { std: "docker" "inspect" "07c904937c16f6c54ce8d2fab8209d1a57d7f6083af2dae1e486e6b11b55a726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c904937c16f6c54ce8d2fab8209d1a57d7f6083af2dae1e486e6b11b55a726", kill_on_drop: false }`
[INFO] [stdout] 07c904937c16f6c54ce8d2fab8209d1a57d7f6083af2dae1e486e6b11b55a726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f0181eb3fe2c2a59c13baa8bb2cd38d1986f5c5f3941e5a2842e8b4ffd587f7
[INFO] running `Command { std: "docker" "start" "-a" "2f0181eb3fe2c2a59c13baa8bb2cd38d1986f5c5f3941e5a2842e8b4ffd587f7", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/game_state.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stderr]    |         ^                                     ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 47 -         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stderr] 47 +         self.x <= BOARD_WIDTH && self.x  >= 0
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/game_state.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |         if (column[i] == Color::Empty){
[INFO] [stderr]    |            ^                         ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 53 -         if (column[i] == Color::Empty){
[INFO] [stderr] 53 +         if column[i] == Color::Empty {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/game_state.rs:190:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |     use super::*; 
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/monte_carlo.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |         (self.win_tie as f64 / self.num_plays as f64)
[INFO] [stderr]    |         ^                                           ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 27 -         (self.win_tie as f64 / self.num_plays as f64)
[INFO] [stderr] 27 +         self.win_tie as f64 / self.num_plays as f64
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/monte_carlo.rs:243:19
[INFO] [stderr]     |
[INFO] [stderr] 243 |                 if(uct > best_uct){
[INFO] [stderr]     |                   ^              ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 243 -                 if(uct > best_uct){
[INFO] [stderr] 243 +                 if uct > best_uct {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `item`
[INFO] [stderr]   --> src/game_state.rs:51:14
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn push_back(item : Color, column : &mut [Color; 6]) -> usize{
[INFO] [stderr]    |              ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `player`
[INFO] [stderr]   --> src/monte_carlo.rs:66:54
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn run_simulation(state : game_state::GameState, player : game_state::Color) -> game_state::End{ 
[INFO] [stderr]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_player`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `optimal_move_highest_win`
[INFO] [stderr]    --> src/monte_carlo.rs:161:4
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn optimal_move_highest_win(possible_moves : &Vec<(game_state::Move, &UCTData)>) -> game_state::Move{
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/game_state.rs:47:35
[INFO] [stderr]    |
[INFO] [stderr] 47 |         (self.x <= BOARD_WIDTH && self.x  >= 0)
[INFO] [stderr]    |                                   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `stepX` should have a snake case name
[INFO] [stderr]    --> src/game_state.rs:109:62
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
[INFO] [stderr]     |                                                              ^^^^^ help: convert the identifier to snake case: `step_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `stepY` should have a snake case name
[INFO] [stderr]    --> src/game_state.rs:109:75
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn linear_match(&self, start_x : i32, start_y : i32, stepX : i32, stepY : i32, color : Color) -> bool{
[INFO] [stderr]     |                                                                           ^^^^^ help: convert the identifier to snake case: `step_y`
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/game_state.rs:114:16
[INFO] [stderr]     |
[INFO] [stderr] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]    --> src/game_state.rs:114:46
[INFO] [stderr]     |
[INFO] [stderr] 114 |             if x < 0 || x >= BOARD_HEIGHT || y < 0 || y >= BOARD_WIDTH{
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `connect_three` (bin "connect_three" test) generated 13 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/connect_three-09f3ebd17d0d15e0)
[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" "2f0181eb3fe2c2a59c13baa8bb2cd38d1986f5c5f3941e5a2842e8b4ffd587f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0181eb3fe2c2a59c13baa8bb2cd38d1986f5c5f3941e5a2842e8b4ffd587f7", kill_on_drop: false }`
[INFO] [stdout] 2f0181eb3fe2c2a59c13baa8bb2cd38d1986f5c5f3941e5a2842e8b4ffd587f7