Nov 30 01:42:13.108 INFO checking ieiriyuki/my-rust-reversi against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 01:42:13.108 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 01:42:13.642 INFO [stdout] 9d60810cd801fcd2fa11a1570ff4ab9861f1c40907508e250666fad85fb469fb
Nov 30 01:42:13.645 INFO running `"docker" "start" "-a" "9d60810cd801fcd2fa11a1570ff4ab9861f1c40907508e250666fad85fb469fb"`
Nov 30 01:42:15.726 INFO [stderr] usermod: no changes
Nov 30 01:42:15.848 INFO [stderr]     Checking rayon-core v1.4.0
Nov 30 01:42:17.123 INFO [stderr]     Checking rayon v1.0.0
Nov 30 01:42:20.665 INFO [stderr]     Checking reversi v0.1.0 (/source)
Nov 30 01:42:21.649 INFO [stderr] warning: unused variable: `rhs`
Nov 30 01:42:21.650 INFO [stderr]   --> src/coord.rs:11:18
Nov 30 01:42:21.650 INFO [stderr]    |
Nov 30 01:42:21.650 INFO [stderr] 11 |     fn add(self, rhs: Self) -> Self::Output {
Nov 30 01:42:21.650 INFO [stderr]    |                  ^^^ help: consider using `_rhs` instead
Nov 30 01:42:21.651 INFO [stderr]    |
Nov 30 01:42:21.651 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:42:21.651 INFO [stderr] 
Nov 30 01:42:21.651 INFO [stderr] warning: unused variable: `rhs`
Nov 30 01:42:21.651 INFO [stderr]   --> src/coord.rs:17:30
Nov 30 01:42:21.651 INFO [stderr]    |
Nov 30 01:42:21.651 INFO [stderr] 17 |     fn add_assign(&mut self, rhs: Self) {
Nov 30 01:42:21.651 INFO [stderr]    |                              ^^^ help: consider using `_rhs` instead
Nov 30 01:42:21.652 INFO [stderr] 
Nov 30 01:42:21.652 INFO [stderr] warning: unused variable: `index`
Nov 30 01:42:21.652 INFO [stderr]   --> src/board.rs:50:21
Nov 30 01:42:21.652 INFO [stderr]    |
Nov 30 01:42:21.652 INFO [stderr] 50 |     fn index(&self, index: Coord) -> &Self::Output {
Nov 30 01:42:21.652 INFO [stderr]    |                     ^^^^^ help: consider using `_index` instead
Nov 30 01:42:21.652 INFO [stderr] 
Nov 30 01:42:21.653 INFO [stderr] warning: unused variable: `index`
Nov 30 01:42:21.653 INFO [stderr]   --> src/board.rs:59:29
Nov 30 01:42:21.653 INFO [stderr]    |
Nov 30 01:42:21.653 INFO [stderr] 59 |     fn index_mut(&mut self, index: Coord) -> &mut Self::Output {
Nov 30 01:42:21.653 INFO [stderr]    |                             ^^^^^ help: consider using `_index` instead
Nov 30 01:42:21.653 INFO [stderr] 
Nov 30 01:42:21.653 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:21.653 INFO [stderr]    --> src/board.rs:153:24
Nov 30 01:42:21.653 INFO [stderr]     |
Nov 30 01:42:21.653 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:21.653 INFO [stderr]     |                        ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:21.653 INFO [stderr] 
Nov 30 01:42:21.654 INFO [stderr] warning: unused variable: `pos`
Nov 30 01:42:21.654 INFO [stderr]    --> src/board.rs:153:42
Nov 30 01:42:21.654 INFO [stderr]     |
Nov 30 01:42:21.654 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:21.654 INFO [stderr]     |                                          ^^^ help: consider using `_pos` instead
Nov 30 01:42:21.654 INFO [stderr] 
Nov 30 01:42:21.654 INFO [stderr] warning: unused variable: `dir`
Nov 30 01:42:21.654 INFO [stderr]    --> src/board.rs:153:54
Nov 30 01:42:21.654 INFO [stderr]     |
Nov 30 01:42:21.654 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:21.654 INFO [stderr]     |                                                      ^^^ help: consider using `_dir` instead
Nov 30 01:42:21.654 INFO [stderr] 
Nov 30 01:42:21.654 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:21.654 INFO [stderr]    --> src/board.rs:160:24
Nov 30 01:42:21.654 INFO [stderr]     |
Nov 30 01:42:21.654 INFO [stderr] 160 |     fn get_move(&self, piece: Piece, pos: Coord) -> Move {
Nov 30 01:42:21.654 INFO [stderr]     |                        ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:21.655 INFO [stderr] 
Nov 30 01:42:21.655 INFO [stderr] warning: unused variable: `pos`
Nov 30 01:42:21.655 INFO [stderr]    --> src/board.rs:160:38
Nov 30 01:42:21.655 INFO [stderr]     |
Nov 30 01:42:21.655 INFO [stderr] 160 |     fn get_move(&self, piece: Piece, pos: Coord) -> Move {
Nov 30 01:42:21.655 INFO [stderr]     |                                      ^^^ help: consider using `_pos` instead
Nov 30 01:42:21.655 INFO [stderr] 
Nov 30 01:42:21.655 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:21.655 INFO [stderr]    --> src/board.rs:167:25
Nov 30 01:42:21.655 INFO [stderr]     |
Nov 30 01:42:21.655 INFO [stderr] 167 |     pub fn moves(&self, piece: Piece) -> Moves {
Nov 30 01:42:21.655 INFO [stderr]     |                         ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:21.655 INFO [stderr] 
Nov 30 01:42:21.656 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:21.656 INFO [stderr]    --> src/board.rs:172:29
Nov 30 01:42:21.656 INFO [stderr]     |
Nov 30 01:42:21.656 INFO [stderr] 172 |     fn count_mut(&mut self, piece: Piece) -> &mut u8 {
Nov 30 01:42:21.656 INFO [stderr]     |                             ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:21.656 INFO [stderr] 
Nov 30 01:42:21.656 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:21.656 INFO [stderr]    --> src/board.rs:184:27
Nov 30 01:42:21.656 INFO [stderr]     |
Nov 30 01:42:21.656 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:21.656 INFO [stderr]     |                           ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:21.656 INFO [stderr] 
Nov 30 01:42:21.656 INFO [stderr] warning: unused variable: `pos`
Nov 30 01:42:21.656 INFO [stderr]    --> src/board.rs:184:45
Nov 30 01:42:21.656 INFO [stderr]     |
Nov 30 01:42:21.657 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:21.657 INFO [stderr]     |                                             ^^^ help: consider using `_pos` instead
Nov 30 01:42:21.657 INFO [stderr] 
Nov 30 01:42:21.657 INFO [stderr] warning: unused variable: `dir`
Nov 30 01:42:21.657 INFO [stderr]    --> src/board.rs:184:57
Nov 30 01:42:21.657 INFO [stderr]     |
Nov 30 01:42:21.657 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:21.657 INFO [stderr]     |                                                         ^^^ help: consider using `_dir` instead
Nov 30 01:42:21.657 INFO [stderr] 
Nov 30 01:42:21.657 INFO [stderr] warning: unused variable: `flip`
Nov 30 01:42:21.657 INFO [stderr]    --> src/board.rs:184:69
Nov 30 01:42:21.657 INFO [stderr]     |
Nov 30 01:42:21.657 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:21.657 INFO [stderr]     |                                                                     ^^^^ help: consider using `_flip` instead
Nov 30 01:42:21.658 INFO [stderr] 
Nov 30 01:42:21.658 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:21.658 INFO [stderr]    --> src/board.rs:189:31
Nov 30 01:42:21.658 INFO [stderr]     |
Nov 30 01:42:21.658 INFO [stderr] 189 |     pub fn do_move(&mut self, piece: Piece, mov: &Move) {
Nov 30 01:42:21.658 INFO [stderr]     |                               ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:21.658 INFO [stderr] 
Nov 30 01:42:21.658 INFO [stderr] warning: unused variable: `mov`
Nov 30 01:42:21.658 INFO [stderr]    --> src/board.rs:189:45
Nov 30 01:42:21.658 INFO [stderr]     |
Nov 30 01:42:21.658 INFO [stderr] 189 |     pub fn do_move(&mut self, piece: Piece, mov: &Move) {
Nov 30 01:42:21.658 INFO [stderr]     |                                             ^^^ help: consider using `_mov` instead
Nov 30 01:42:21.660 INFO [stderr] 
Nov 30 01:42:21.678 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:42:21.679 INFO [stderr]    --> src/board.rs:153:38
Nov 30 01:42:21.679 INFO [stderr]     |
Nov 30 01:42:21.679 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:21.679 INFO [stderr]     |                                      ----^^^
Nov 30 01:42:21.679 INFO [stderr]     |                                      |
Nov 30 01:42:21.679 INFO [stderr]     |                                      help: remove this `mut`
Nov 30 01:42:21.680 INFO [stderr]     |
Nov 30 01:42:21.680 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 01:42:21.680 INFO [stderr] 
Nov 30 01:42:21.681 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:42:21.681 INFO [stderr]    --> src/board.rs:184:41
Nov 30 01:42:21.682 INFO [stderr]     |
Nov 30 01:42:21.682 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:21.682 INFO [stderr]     |                                         ----^^^
Nov 30 01:42:21.682 INFO [stderr]     |                                         |
Nov 30 01:42:21.682 INFO [stderr]     |                                         help: remove this `mut`
Nov 30 01:42:21.684 INFO [stderr] 
Nov 30 01:42:21.722 INFO [stderr] warning: method is never used: `is_in_range`
Nov 30 01:42:21.722 INFO [stderr]   --> src/board.rs:34:5
Nov 30 01:42:21.722 INFO [stderr]    |
Nov 30 01:42:21.722 INFO [stderr] 34 |     pub fn is_in_range(&self, pos: Coord) -> bool {
Nov 30 01:42:21.723 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.723 INFO [stderr]    |
Nov 30 01:42:21.723 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 01:42:21.723 INFO [stderr] 
Nov 30 01:42:21.723 INFO [stderr] warning: method is never used: `size`
Nov 30 01:42:21.723 INFO [stderr]   --> src/board.rs:40:5
Nov 30 01:42:21.723 INFO [stderr]    |
Nov 30 01:42:21.723 INFO [stderr] 40 |     pub fn size(&self) -> usize {
Nov 30 01:42:21.723 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.723 INFO [stderr] 
Nov 30 01:42:21.723 INFO [stderr] warning: constant item is never used: `ZERO_FLIP`
Nov 30 01:42:21.723 INFO [stderr]   --> src/board.rs:85:1
Nov 30 01:42:21.723 INFO [stderr]    |
Nov 30 01:42:21.723 INFO [stderr] 85 | const ZERO_FLIP: [u8; 8] = [0, 0, 0, 0, 0, 0, 0, 0];
Nov 30 01:42:21.723 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.723 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: method is never used: `is_legal`
Nov 30 01:42:21.728 INFO [stderr]    --> src/board.rs:101:5
Nov 30 01:42:21.728 INFO [stderr]     |
Nov 30 01:42:21.728 INFO [stderr] 101 |     pub fn is_legal(&self) -> bool {
Nov 30 01:42:21.728 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.728 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: constant item is never used: `DIRECTIONS`
Nov 30 01:42:21.728 INFO [stderr]    --> src/board.rs:120:1
Nov 30 01:42:21.728 INFO [stderr]     |
Nov 30 01:42:21.728 INFO [stderr] 120 | / const DIRECTIONS: [Coord; 8] = [
Nov 30 01:42:21.728 INFO [stderr] 121 | |     Coord(-1, -1), //左上
Nov 30 01:42:21.728 INFO [stderr] 122 | |     Coord(0, -1),  //真上
Nov 30 01:42:21.728 INFO [stderr] 123 | |     Coord(1, -1),  //右上
Nov 30 01:42:21.728 INFO [stderr] ...   |
Nov 30 01:42:21.728 INFO [stderr] 128 | |     Coord(1, 1),   //右下
Nov 30 01:42:21.728 INFO [stderr] 129 | | ];
Nov 30 01:42:21.728 INFO [stderr]     | |__^
Nov 30 01:42:21.728 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: method is never used: `get_flip`
Nov 30 01:42:21.728 INFO [stderr]    --> src/board.rs:153:5
Nov 30 01:42:21.728 INFO [stderr]     |
Nov 30 01:42:21.728 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:21.728 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.728 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: method is never used: `get_move`
Nov 30 01:42:21.728 INFO [stderr]    --> src/board.rs:160:5
Nov 30 01:42:21.728 INFO [stderr]     |
Nov 30 01:42:21.728 INFO [stderr] 160 |     fn get_move(&self, piece: Piece, pos: Coord) -> Move {
Nov 30 01:42:21.728 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.728 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: method is never used: `count_mut`
Nov 30 01:42:21.728 INFO [stderr]    --> src/board.rs:172:5
Nov 30 01:42:21.728 INFO [stderr]     |
Nov 30 01:42:21.728 INFO [stderr] 172 |     fn count_mut(&mut self, piece: Piece) -> &mut u8 {
Nov 30 01:42:21.728 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.728 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: method is never used: `do_flip`
Nov 30 01:42:21.728 INFO [stderr]    --> src/board.rs:184:5
Nov 30 01:42:21.728 INFO [stderr]     |
Nov 30 01:42:21.728 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:21.728 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.728 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: struct is never constructed: `DumbPlayer`
Nov 30 01:42:21.728 INFO [stderr]  --> src/players/dumb.rs:5:1
Nov 30 01:42:21.728 INFO [stderr]   |
Nov 30 01:42:21.728 INFO [stderr] 5 | pub struct DumbPlayer;
Nov 30 01:42:21.728 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.728 INFO [stderr] 
Nov 30 01:42:21.728 INFO [stderr] warning: method is never used: `new`
Nov 30 01:42:21.728 INFO [stderr]   --> src/players/negamax.rs:10:5
Nov 30 01:42:21.728 INFO [stderr]    |
Nov 30 01:42:21.728 INFO [stderr] 10 |     pub fn new(depth: usize) -> Self {
Nov 30 01:42:21.728 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:21.729 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `rhs`
Nov 30 01:42:22.160 INFO [stderr]   --> src/coord.rs:11:18
Nov 30 01:42:22.160 INFO [stderr]    |
Nov 30 01:42:22.160 INFO [stderr] 11 |     fn add(self, rhs: Self) -> Self::Output {
Nov 30 01:42:22.160 INFO [stderr]    |                  ^^^ help: consider using `_rhs` instead
Nov 30 01:42:22.160 INFO [stderr]    |
Nov 30 01:42:22.160 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `rhs`
Nov 30 01:42:22.160 INFO [stderr]   --> src/coord.rs:17:30
Nov 30 01:42:22.160 INFO [stderr]    |
Nov 30 01:42:22.160 INFO [stderr] 17 |     fn add_assign(&mut self, rhs: Self) {
Nov 30 01:42:22.160 INFO [stderr]    |                              ^^^ help: consider using `_rhs` instead
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `index`
Nov 30 01:42:22.160 INFO [stderr]   --> src/board.rs:50:21
Nov 30 01:42:22.160 INFO [stderr]    |
Nov 30 01:42:22.160 INFO [stderr] 50 |     fn index(&self, index: Coord) -> &Self::Output {
Nov 30 01:42:22.160 INFO [stderr]    |                     ^^^^^ help: consider using `_index` instead
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `index`
Nov 30 01:42:22.160 INFO [stderr]   --> src/board.rs:59:29
Nov 30 01:42:22.160 INFO [stderr]    |
Nov 30 01:42:22.160 INFO [stderr] 59 |     fn index_mut(&mut self, index: Coord) -> &mut Self::Output {
Nov 30 01:42:22.160 INFO [stderr]    |                             ^^^^^ help: consider using `_index` instead
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:22.160 INFO [stderr]    --> src/board.rs:153:24
Nov 30 01:42:22.160 INFO [stderr]     |
Nov 30 01:42:22.160 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:22.160 INFO [stderr]     |                        ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `pos`
Nov 30 01:42:22.160 INFO [stderr]    --> src/board.rs:153:42
Nov 30 01:42:22.160 INFO [stderr]     |
Nov 30 01:42:22.160 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:22.160 INFO [stderr]     |                                          ^^^ help: consider using `_pos` instead
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `dir`
Nov 30 01:42:22.160 INFO [stderr]    --> src/board.rs:153:54
Nov 30 01:42:22.160 INFO [stderr]     |
Nov 30 01:42:22.160 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:22.160 INFO [stderr]     |                                                      ^^^ help: consider using `_dir` instead
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:22.160 INFO [stderr]    --> src/board.rs:160:24
Nov 30 01:42:22.160 INFO [stderr]     |
Nov 30 01:42:22.160 INFO [stderr] 160 |     fn get_move(&self, piece: Piece, pos: Coord) -> Move {
Nov 30 01:42:22.160 INFO [stderr]     |                        ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:22.160 INFO [stderr] 
Nov 30 01:42:22.160 INFO [stderr] warning: unused variable: `pos`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:160:38
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 160 |     fn get_move(&self, piece: Piece, pos: Coord) -> Move {
Nov 30 01:42:22.161 INFO [stderr]     |                                      ^^^ help: consider using `_pos` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:167:25
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 167 |     pub fn moves(&self, piece: Piece) -> Moves {
Nov 30 01:42:22.161 INFO [stderr]     |                         ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:172:29
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 172 |     fn count_mut(&mut self, piece: Piece) -> &mut u8 {
Nov 30 01:42:22.161 INFO [stderr]     |                             ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:184:27
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:22.161 INFO [stderr]     |                           ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `pos`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:184:45
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:22.161 INFO [stderr]     |                                             ^^^ help: consider using `_pos` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `dir`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:184:57
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:22.161 INFO [stderr]     |                                                         ^^^ help: consider using `_dir` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `flip`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:184:69
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:22.161 INFO [stderr]     |                                                                     ^^^^ help: consider using `_flip` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `piece`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:189:31
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 189 |     pub fn do_move(&mut self, piece: Piece, mov: &Move) {
Nov 30 01:42:22.161 INFO [stderr]     |                               ^^^^^ help: consider using `_piece` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.161 INFO [stderr] warning: unused variable: `mov`
Nov 30 01:42:22.161 INFO [stderr]    --> src/board.rs:189:45
Nov 30 01:42:22.161 INFO [stderr]     |
Nov 30 01:42:22.161 INFO [stderr] 189 |     pub fn do_move(&mut self, piece: Piece, mov: &Move) {
Nov 30 01:42:22.161 INFO [stderr]     |                                             ^^^ help: consider using `_mov` instead
Nov 30 01:42:22.161 INFO [stderr] 
Nov 30 01:42:22.188 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:42:22.188 INFO [stderr]    --> src/board.rs:153:38
Nov 30 01:42:22.188 INFO [stderr]     |
Nov 30 01:42:22.188 INFO [stderr] 153 |     fn get_flip(&self, piece: Piece, mut pos: Coord, dir: Coord) -> u8 {
Nov 30 01:42:22.188 INFO [stderr]     |                                      ----^^^
Nov 30 01:42:22.188 INFO [stderr]     |                                      |
Nov 30 01:42:22.188 INFO [stderr]     |                                      help: remove this `mut`
Nov 30 01:42:22.188 INFO [stderr]     |
Nov 30 01:42:22.188 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 01:42:22.188 INFO [stderr] 
Nov 30 01:42:22.192 INFO [stderr] warning: variable does not need to be mutable
Nov 30 01:42:22.192 INFO [stderr]    --> src/board.rs:184:41
Nov 30 01:42:22.192 INFO [stderr]     |
Nov 30 01:42:22.192 INFO [stderr] 184 |     fn do_flip(&mut self, piece: Piece, mut pos: Coord, dir: Coord, flip: u8) {
Nov 30 01:42:22.192 INFO [stderr]     |                                         ----^^^
Nov 30 01:42:22.192 INFO [stderr]     |                                         |
Nov 30 01:42:22.192 INFO [stderr]     |                                         help: remove this `mut`
Nov 30 01:42:22.192 INFO [stderr] 
Nov 30 01:42:22.247 INFO [stderr] warning: constant item is never used: `DIRECTIONS`
Nov 30 01:42:22.247 INFO [stderr]    --> src/board.rs:120:1
Nov 30 01:42:22.247 INFO [stderr]     |
Nov 30 01:42:22.247 INFO [stderr] 120 | / const DIRECTIONS: [Coord; 8] = [
Nov 30 01:42:22.247 INFO [stderr] 121 | |     Coord(-1, -1), //左上
Nov 30 01:42:22.247 INFO [stderr] 122 | |     Coord(0, -1),  //真上
Nov 30 01:42:22.247 INFO [stderr] 123 | |     Coord(1, -1),  //右上
Nov 30 01:42:22.247 INFO [stderr] ...   |
Nov 30 01:42:22.247 INFO [stderr] 128 | |     Coord(1, 1),   //右下
Nov 30 01:42:22.247 INFO [stderr] 129 | | ];
Nov 30 01:42:22.247 INFO [stderr]     | |__^
Nov 30 01:42:22.247 INFO [stderr]     |
Nov 30 01:42:22.247 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 01:42:22.247 INFO [stderr] 
Nov 30 01:42:22.247 INFO [stderr] warning: struct is never constructed: `DumbPlayer`
Nov 30 01:42:22.247 INFO [stderr]  --> src/players/dumb.rs:5:1
Nov 30 01:42:22.247 INFO [stderr]   |
Nov 30 01:42:22.247 INFO [stderr] 5 | pub struct DumbPlayer;
Nov 30 01:42:22.247 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:22.247 INFO [stderr] 
Nov 30 01:42:22.247 INFO [stderr] warning: method is never used: `new`
Nov 30 01:42:22.247 INFO [stderr]   --> src/players/negamax.rs:10:5
Nov 30 01:42:22.247 INFO [stderr]    |
Nov 30 01:42:22.247 INFO [stderr] 10 |     pub fn new(depth: usize) -> Self {
Nov 30 01:42:22.247 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:42:22.247 INFO [stderr] 
Nov 30 01:42:22.304 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.53s
Nov 30 01:42:22.307 INFO [stderr] su: No module specific data is present
Nov 30 01:42:23.186 INFO running `"docker" "inspect" "9d60810cd801fcd2fa11a1570ff4ab9861f1c40907508e250666fad85fb469fb"`
Nov 30 01:42:23.470 INFO running `"docker" "rm" "-f" "9d60810cd801fcd2fa11a1570ff4ab9861f1c40907508e250666fad85fb469fb"`
Nov 30 01:42:23.785 INFO [stdout] 9d60810cd801fcd2fa11a1570ff4ab9861f1c40907508e250666fad85fb469fb