[INFO] cloning repository https://github.com/MWJones96/RustGo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MWJones96/RustGo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMWJones96%2FRustGo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMWJones96%2FRustGo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29c4c09058a573aa0ff3fdcbd19565bd8caa3f76
[INFO] checking MWJones96/RustGo against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMWJones96%2FRustGo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MWJones96/RustGo
[INFO] finished tweaking git repo https://github.com/MWJones96/RustGo
[INFO] tweaked toml for git repo https://github.com/MWJones96/RustGo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MWJones96/RustGo on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MWJones96/RustGo 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cf5198723c34249dfe425d765232921a8b33f9732e15c6664ae8008794183f1
[INFO] running `Command { std: "docker" "start" "-a" "8cf5198723c34249dfe425d765232921a8b33f9732e15c6664ae8008794183f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cf5198723c34249dfe425d765232921a8b33f9732e15c6664ae8008794183f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cf5198723c34249dfe425d765232921a8b33f9732e15c6664ae8008794183f1", kill_on_drop: false }`
[INFO] [stdout] 8cf5198723c34249dfe425d765232921a8b33f9732e15c6664ae8008794183f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1253e207eb2198950719b28ed5046cbe2ef8c16c5c001519557844bd92370b9
[INFO] running `Command { std: "docker" "start" "-a" "f1253e207eb2198950719b28ed5046cbe2ef8c16c5c001519557844bd92370b9", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking rust_go v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/domain/go_board.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for row in (0..self.board_state.len()) {
[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] 36 -         for row in (0..self.board_state.len()) {
[INFO] [stdout] 36 +         for row in 0..self.board_state.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/domain/go_board.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |             for col in (0..self.board_state[0].len()) {
[INFO] [stdout]    |                        ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -             for col in (0..self.board_state[0].len()) {
[INFO] [stdout] 37 +             for col in 0..self.board_state[0].len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::util::group_liberties_aggregator::Group`
[INFO] [stdout]  --> src/domain/go_game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::util::group_liberties_aggregator::Group;
[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: `super::util::group_liberties_aggregator::GroupLibertiesAggregator`
[INFO] [stdout]  --> src/domain/go_game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::util::group_liberties_aggregator::GroupLibertiesAggregator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::util::group_liberties_aggregator::Liberties`
[INFO] [stdout]  --> src/domain/go_game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::util::group_liberties_aggregator::Liberties;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/domain/go_game.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/domain/go_game.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/domain/util/group_liberties_aggregator.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 if (row < (board.board_state.len() - 1) as u32
[INFO] [stdout]     |                    ^
[INFO] [stdout] 107 |                     && board.board_state[(row + 1) as usize][col as usize].is_none())
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 ~                 if row < (board.board_state.len() - 1) as u32
[INFO] [stdout] 107 ~                     && board.board_state[(row + 1) as usize][col as usize].is_none() 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/domain/util/group_liberties_aggregator.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if (col < (board.board_state[0].len() - 1) as u32
[INFO] [stdout]     |                    ^
[INFO] [stdout] 115 |                     && board.board_state[row as usize][(col + 1) as usize].is_none())
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 ~                 if col < (board.board_state[0].len() - 1) as u32
[INFO] [stdout] 115 ~                     && board.board_state[row as usize][(col + 1) as usize].is_none() 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `GoBoardState` is never used
[INFO] [stdout]  --> src/domain/go_board.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type GoBoardState = Vec<Vec<Option<GoPlayer>>>;
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `GoPlayer` is never used
[INFO] [stdout]  --> src/domain/go_board.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum GoPlayer {
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GoBoard` is never constructed
[INFO] [stdout]   --> src/domain/go_board.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct GoBoard {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `place`, `remove`, and `clear` are never used
[INFO] [stdout]   --> src/domain/go_board.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl GoBoard {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 15 |     pub fn new(size: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub fn place(&mut self, row: u32, col: u32, piece: &GoPlayer) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn remove(&mut self, row: u32, col: u32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn clear(&mut self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Snapshot` is never constructed
[INFO] [stdout]   --> src/domain/go_game.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Snapshot {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GoGame` is never constructed
[INFO] [stdout]   --> src/domain/go_game.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct GoGame {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/domain/go_game.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl GoGame {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn new(size: u32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Liberties` is never used
[INFO] [stdout]  --> src/domain/util/group_liberties_aggregator.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type Liberties = HashSet<(u32, u32)>;
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Group` is never used
[INFO] [stdout]  --> src/domain/util/group_liberties_aggregator.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub type Group = HashSet<(u32, u32)>;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `BlackGroups` is never used
[INFO] [stdout]  --> src/domain/util/group_liberties_aggregator.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type BlackGroups = Vec<Group>;
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `WhiteGroups` is never used
[INFO] [stdout]   --> src/domain/util/group_liberties_aggregator.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type WhiteGroups = Vec<Group>;
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GroupLibertiesAggregator` is never constructed
[INFO] [stdout]   --> src/domain/util/group_liberties_aggregator.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct GroupLibertiesAggregator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `get_group_liberties`, `get_piece_groups`, `get_groups`, `get_group`, and `insert_liberties` are never used
[INFO] [stdout]   --> src/domain/util/group_liberties_aggregator.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl GroupLibertiesAggregator {
[INFO] [stdout]    | ----------------------------- associated functions in this implementation
[INFO] [stdout] 15 |     pub fn get_group_liberties(board: &GoBoard) -> HashMap<GoPlayer, Vec<(Group, Liberties)>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn get_piece_groups(board: &GoBoard) -> (BlackGroups, WhiteGroups) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn get_groups(board: &mut GoBoard, player: &GoPlayer) -> Vec<Group> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     fn get_group(
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn insert_liberties(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlacePieceInput` is never constructed
[INFO] [stdout]  --> src/use_cases/place_piece/place_piece_input.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct PlacePieceInput {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlacePieceOutput` is never constructed
[INFO] [stdout]  --> src/use_cases/place_piece/place_piece_output.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct PlacePieceOutput {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PlacePieceRequester` is never used
[INFO] [stdout]  --> src/use_cases/place_piece/place_piece_requester.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait PlacePieceRequester {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `has_violated_ko_rule` is never used
[INFO] [stdout]   --> src/use_cases/place_piece/place_piece_interactor.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl GoGame {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 88 |     fn has_violated_ko_rule(&self, state_before_last: Option<&Snapshot>, row: u32, col: u32) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/domain/go_board.rs:36:20
[INFO] [stdout]    |
[INFO] [stdout] 36 |         for row in (0..self.board_state.len()) {
[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] 36 -         for row in (0..self.board_state.len()) {
[INFO] [stdout] 36 +         for row in 0..self.board_state.len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/domain/go_board.rs:37:24
[INFO] [stdout]    |
[INFO] [stdout] 37 |             for col in (0..self.board_state[0].len()) {
[INFO] [stdout]    |                        ^                            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 37 -             for col in (0..self.board_state[0].len()) {
[INFO] [stdout] 37 +             for col in 0..self.board_state[0].len()  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/domain/go_board.rs:101:20
[INFO] [stdout]     |
[INFO] [stdout] 101 |         for row in (0..board.board_state.len()) {
[INFO] [stdout]     |                    ^                          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -         for row in (0..board.board_state.len()) {
[INFO] [stdout] 101 +         for row in 0..board.board_state.len()  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]    --> src/domain/go_board.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |             for col in (0..board.board_state[0].len()) {
[INFO] [stdout]     |                        ^                             ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 102 -             for col in (0..board.board_state[0].len()) {
[INFO] [stdout] 102 +             for col in 0..board.board_state[0].len()  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::util::group_liberties_aggregator::Group`
[INFO] [stdout]  --> src/domain/go_game.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::util::group_liberties_aggregator::Group;
[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: `super::util::group_liberties_aggregator::GroupLibertiesAggregator`
[INFO] [stdout]  --> src/domain/go_game.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::util::group_liberties_aggregator::GroupLibertiesAggregator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::util::group_liberties_aggregator::Liberties`
[INFO] [stdout]  --> src/domain/go_game.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use super::util::group_liberties_aggregator::Liberties;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Mutex`
[INFO] [stdout]  --> src/domain/go_game.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::sync::Mutex;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/domain/go_game.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/domain/util/group_liberties_aggregator.rs:106:20
[INFO] [stdout]     |
[INFO] [stdout] 106 |                 if (row < (board.board_state.len() - 1) as u32
[INFO] [stdout]     |                    ^
[INFO] [stdout] 107 |                     && board.board_state[(row + 1) as usize][col as usize].is_none())
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 106 ~                 if row < (board.board_state.len() - 1) as u32
[INFO] [stdout] 107 ~                     && board.board_state[(row + 1) as usize][col as usize].is_none() 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/domain/util/group_liberties_aggregator.rs:114:20
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 if (col < (board.board_state[0].len() - 1) as u32
[INFO] [stdout]     |                    ^
[INFO] [stdout] 115 |                     && board.board_state[row as usize][(col + 1) as usize].is_none())
[INFO] [stdout]     |                                                                                     ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 114 ~                 if col < (board.board_state[0].len() - 1) as u32
[INFO] [stdout] 115 ~                     && board.board_state[row as usize][(col + 1) as usize].is_none() 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f1253e207eb2198950719b28ed5046cbe2ef8c16c5c001519557844bd92370b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1253e207eb2198950719b28ed5046cbe2ef8c16c5c001519557844bd92370b9", kill_on_drop: false }`
[INFO] [stdout] f1253e207eb2198950719b28ed5046cbe2ef8c16c5c001519557844bd92370b9