[INFO] cloning repository https://github.com/Tonkyu/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/Tonkyu/othello-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonkyu%2Fothello-ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonkyu%2Fothello-ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4eaff98bd144d37c9c8b48b25cd0da4cc381361
[INFO] checking Tonkyu/othello-ai against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTonkyu%2Fothello-ai" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tonkyu/othello-ai
[INFO] finished tweaking git repo https://github.com/Tonkyu/othello-ai
[INFO] tweaked toml for git repo https://github.com/Tonkyu/othello-ai written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tonkyu/othello-ai on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tonkyu/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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca90e6f8a56147cbc20023a79a1fcf4368aa9225c8916c5837f9aac77e188494
[INFO] running `Command { std: "docker" "start" "-a" "ca90e6f8a56147cbc20023a79a1fcf4368aa9225c8916c5837f9aac77e188494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca90e6f8a56147cbc20023a79a1fcf4368aa9225c8916c5837f9aac77e188494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca90e6f8a56147cbc20023a79a1fcf4368aa9225c8916c5837f9aac77e188494", kill_on_drop: false }`
[INFO] [stdout] ca90e6f8a56147cbc20023a79a1fcf4368aa9225c8916c5837f9aac77e188494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9319b7e988469d228bfde12f169626ddb1dcdbf7afd658aca9dea8e3281e4d8f
[INFO] running `Command { std: "docker" "start" "-a" "9319b7e988469d228bfde12f169626ddb1dcdbf7afd658aca9dea8e3281e4d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking othello-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `alphabeta::AlphaBetaAgent`, `human::HumanAgent`, and `minimax::MiniMaxAgent`
[INFO] [stdout]  --> src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use agents::{random::RandomAgent, minimax::MiniMaxAgent, human::HumanAgent, alphabeta::AlphaBetaAgent, mcts::MCTS};
[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: `alphabeta::AlphaBetaAgent`, `human::HumanAgent`, and `minimax::MiniMaxAgent`
[INFO] [stdout]  --> src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use agents::{random::RandomAgent, minimax::MiniMaxAgent, human::HumanAgent, alphabeta::AlphaBetaAgent, mcts::MCTS};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOARD_LEN` is never used
[INFO] [stdout]  --> src/components/constants.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const BOARD_LEN: usize = 8;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ScoreType` is never used
[INFO] [stdout]   --> src/components/constants.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type ScoreType = i32;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INF` is never used
[INFO] [stdout]   --> src/components/constants.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const INF: ScoreType = 10000;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_state` is never used
[INFO] [stdout]   --> src/components/board.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Board<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn set_state(&mut self, state: State) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_from_text` is never used
[INFO] [stdout]   --> src/components/state.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl State {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn build_from_text(turn: Turn) -> State {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `action_from_str` and `to_string` are never used
[INFO] [stdout]   --> src/components/action.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Action {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn action_from_str(action_str: &str)  -> Action {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_action_from` is never used
[INFO] [stdout]   --> src/agents.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Agent {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn get_action_from(&self, state: State) -> Action where Self: Sized{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanAgent` is never constructed
[INFO] [stdout]  --> src/agents/human.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct HumanAgent {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read_buffer` is never used
[INFO] [stdout]   --> src/agents/human.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl HumanAgent {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 15 |     fn read_buffer() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MiniMaxAgent` is never constructed
[INFO] [stdout]  --> src/agents/minimax.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MiniMaxAgent {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `minimax_score` is never used
[INFO] [stdout]   --> src/agents/minimax.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl MiniMaxAgent {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 29 |     fn minimax_score(&self, board: &Board, depth: i32, now: Instant) -> ScoreType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlphaBetaAgent` is never constructed
[INFO] [stdout]  --> src/agents/alphabeta.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct AlphaBetaAgent {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alpha_beta_score` is never used
[INFO] [stdout]   --> src/agents/alphabeta.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AlphaBetaAgent {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 30 |     fn alpha_beta_score(&self, board: &Board, depth: i32, mut alpha: ScoreType, beta: ScoreType, now: Instant) -> ScoreType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EvalTrait` is never used
[INFO] [stdout]  --> src/evals.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait EvalTrait {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CellEval` is never constructed
[INFO] [stdout]  --> src/evals/cell_score.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CellEval {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BOARD_LEN` is never used
[INFO] [stdout]  --> src/components/constants.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub const BOARD_LEN: usize = 8;
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ScoreType` is never used
[INFO] [stdout]   --> src/components/constants.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type ScoreType = i32;
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INF` is never used
[INFO] [stdout]   --> src/components/constants.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub const INF: ScoreType = 10000;
[INFO] [stdout]    |           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `set_state` is never used
[INFO] [stdout]   --> src/components/board.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<'a> Board<'a> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn set_state(&mut self, state: State) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_from_text` is never used
[INFO] [stdout]   --> src/components/state.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl State {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn build_from_text(turn: Turn) -> State {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `action_from_str` and `to_string` are never used
[INFO] [stdout]   --> src/components/action.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Action {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 13 |     pub fn action_from_str(action_str: &str)  -> Action {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn to_string(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_action_from` is never used
[INFO] [stdout]   --> src/agents.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub trait Agent {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn get_action_from(&self, state: State) -> Action where Self: Sized{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HumanAgent` is never constructed
[INFO] [stdout]  --> src/agents/human.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct HumanAgent {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `read_buffer` is never used
[INFO] [stdout]   --> src/agents/human.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl HumanAgent {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 15 |     fn read_buffer() -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MiniMaxAgent` is never constructed
[INFO] [stdout]  --> src/agents/minimax.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct MiniMaxAgent {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `minimax_score` is never used
[INFO] [stdout]   --> src/agents/minimax.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl MiniMaxAgent {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 29 |     fn minimax_score(&self, board: &Board, depth: i32, now: Instant) -> ScoreType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AlphaBetaAgent` is never constructed
[INFO] [stdout]  --> src/agents/alphabeta.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct AlphaBetaAgent {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alpha_beta_score` is never used
[INFO] [stdout]   --> src/agents/alphabeta.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl AlphaBetaAgent {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 30 |     fn alpha_beta_score(&self, board: &Board, depth: i32, mut alpha: ScoreType, beta: ScoreType, now: Instant) -> ScoreType {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `EvalTrait` is never used
[INFO] [stdout]  --> src/evals.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait EvalTrait {
[INFO] [stdout]   |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CellEval` is never constructed
[INFO] [stdout]  --> src/evals/cell_score.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CellEval {}
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "9319b7e988469d228bfde12f169626ddb1dcdbf7afd658aca9dea8e3281e4d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9319b7e988469d228bfde12f169626ddb1dcdbf7afd658aca9dea8e3281e4d8f", kill_on_drop: false }`
[INFO] [stdout] 9319b7e988469d228bfde12f169626ddb1dcdbf7afd658aca9dea8e3281e4d8f