[INFO] updating cached repository will-weiss/pentago
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/will-weiss/pentago
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/will-weiss/pentago" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/will-weiss/pentago"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/will-weiss/pentago'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/will-weiss/pentago" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/will-weiss/pentago"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/will-weiss/pentago'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c9a66ef127be6d25d2012aa06af425d5b41c40b
[INFO] sha for GitHub repo will-weiss/pentago: 2c9a66ef127be6d25d2012aa06af425d5b41c40b
[INFO] validating manifest of will-weiss/pentago on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of will-weiss/pentago on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing will-weiss/pentago
[INFO] finished frobbing will-weiss/pentago
[INFO] frobbed toml for will-weiss/pentago written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/will-weiss/pentago/Cargo.toml
[INFO] started frobbing will-weiss/pentago
[INFO] finished frobbing will-weiss/pentago
[INFO] frobbed toml for will-weiss/pentago written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/will-weiss/pentago/Cargo.toml
[INFO] crate will-weiss/pentago already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/will-weiss/pentago/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking will-weiss/pentago against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-0/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/will-weiss/pentago:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] db08a7491d7f808f08f11421802263e4ada5dabbd44beb93afe8769b8e7331f1
[INFO] running `"docker" "start" "-a" "db08a7491d7f808f08f11421802263e4ada5dabbd44beb93afe8769b8e7331f1"`
[INFO] [stderr]     Checking pentago v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/pentago/board.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::quadrant`
[INFO] [stderr]  --> src/pentago/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::quadrant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/board.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 if (ix == quadrant_ix) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/pentago/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::board`
[INFO] [stderr]  --> src/pentago/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pentago::board;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/quadrant.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::square`
[INFO] [stderr]  --> src/pentago/quadrant.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::square;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mult2`, `mult3`
[INFO] [stderr]  --> src/pentago/quadrant.rs:7:44
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                            ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 if (coordinate_val) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if (squares_val.is_zero()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/square.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::color`
[INFO] [stderr]  --> src/pentago/square.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mult3`
[INFO] [stderr]  --> src/pentago/square.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if (self.color.is_empty()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if (self.color.is_black()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ToPrimitive`, `Zero`
[INFO] [stderr]  --> src/pentago/math_utils.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                         ^^^^       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `One`
[INFO] [stderr]  --> src/pentago/board.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::quadrant`
[INFO] [stderr]  --> src/pentago/board.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::quadrant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/board.rs:51:20
[INFO] [stderr]    |
[INFO] [stderr] 51 |                 if (ix == quadrant_ix) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]  --> src/pentago/game.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rc::Rc;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::board`
[INFO] [stderr]  --> src/pentago/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use pentago::board;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/quadrant.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::square`
[INFO] [stderr]  --> src/pentago/quadrant.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::square;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `mult2`, `mult3`
[INFO] [stderr]  --> src/pentago/quadrant.rs:7:44
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                            ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:59:20
[INFO] [stderr]    |
[INFO] [stderr] 59 |                 if (coordinate_val) {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/quadrant.rs:80:12
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if (squares_val.is_zero()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `One`, `ToPrimitive`
[INFO] [stderr]  --> src/pentago/square.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                               ^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `pentago::color`
[INFO] [stderr]  --> src/pentago/square.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pentago::color;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `mult3`
[INFO] [stderr]  --> src/pentago/square.rs:7:51
[INFO] [stderr]   |
[INFO] [stderr] 7 | use pentago::math_utils::{three_raised_to, mult2, mult3};
[INFO] [stderr]   |                                                   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:69:12
[INFO] [stderr]    |
[INFO] [stderr] 69 |         if (self.color.is_empty()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/pentago/square.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |         if (self.color.is_black()) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `ToPrimitive`, `Zero`
[INFO] [stderr]  --> src/pentago/math_utils.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::num::traits::{Zero, One, ToPrimitive};
[INFO] [stderr]   |                         ^^^^       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `orient`
[INFO] [stderr]   --> src/pentago/board.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn orient(&self, quadrant_ix: usize, top_corner: &Vec<bool>, spin: &Vec<usize>) -> Board {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/pentago/color.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `White`
[INFO] [stderr]  --> src/pentago/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     White
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `val`
[INFO] [stderr]  --> src/pentago/color.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn val(&self) -> u8 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_white`
[INFO] [stderr]   --> src/pentago/color.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_white(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `orient`
[INFO] [stderr]   --> src/pentago/quadrant.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr] 46 | |         -> Quadrant {
[INFO] [stderr] 47 | |             Quadrant {
[INFO] [stderr] 48 | |                 coordinates: self.coordinates.clone(),
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |             }
[INFO] [stderr] 53 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_coordinates`
[INFO] [stderr]  --> src/pentago/square.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn rotate_coordinates(coords: &mut Vec<u8>, top_corner: &Vec<bool>, length: &u8) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spin_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn spin_coordinates(coords: &mut Vec<u8>, spin: &Vec<usize>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn invert_coordinates(coords: &mut Vec<u8>, length: &u8) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `orient`
[INFO] [stderr]   --> src/pentago/square.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr] 48 | |         -> Square {
[INFO] [stderr] 49 | |             let mut coordinates = self.coordinates.clone();
[INFO] [stderr] 50 | |             rotate_coordinates(&mut coordinates, &top_corner, &length);
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |             }
[INFO] [stderr] 56 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `orient`
[INFO] [stderr]   --> src/pentago/board.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     pub fn orient(&self, quadrant_ix: usize, top_corner: &Vec<bool>, spin: &Vec<usize>) -> Board {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]  --> src/pentago/color.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Empty,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `White`
[INFO] [stderr]  --> src/pentago/color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     White
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `val`
[INFO] [stderr]  --> src/pentago/color.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn val(&self) -> u8 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_white`
[INFO] [stderr]   --> src/pentago/color.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn is_white(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `orient`
[INFO] [stderr]   --> src/pentago/quadrant.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | /     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr] 46 | |         -> Quadrant {
[INFO] [stderr] 47 | |             Quadrant {
[INFO] [stderr] 48 | |                 coordinates: self.coordinates.clone(),
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |             }
[INFO] [stderr] 53 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_coordinates`
[INFO] [stderr]  --> src/pentago/square.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn rotate_coordinates(coords: &mut Vec<u8>, top_corner: &Vec<bool>, length: &u8) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `spin_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn spin_coordinates(coords: &mut Vec<u8>, spin: &Vec<usize>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `invert_coordinates`
[INFO] [stderr]   --> src/pentago/square.rs:24:1
[INFO] [stderr]    |
[INFO] [stderr] 24 | fn invert_coordinates(coords: &mut Vec<u8>, length: &u8) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `orient`
[INFO] [stderr]   --> src/pentago/square.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 | /     pub fn orient(&self, top_corner: &Vec<bool>, spin: &Vec<usize>, length: &u8)
[INFO] [stderr] 48 | |         -> Square {
[INFO] [stderr] 49 | |             let mut coordinates = self.coordinates.clone();
[INFO] [stderr] 50 | |             rotate_coordinates(&mut coordinates, &top_corner, &length);
[INFO] [stderr] ...  |
[INFO] [stderr] 55 | |             }
[INFO] [stderr] 56 | |         }
[INFO] [stderr]    | |_________^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "db08a7491d7f808f08f11421802263e4ada5dabbd44beb93afe8769b8e7331f1"`
[INFO] running `"docker" "rm" "-f" "db08a7491d7f808f08f11421802263e4ada5dabbd44beb93afe8769b8e7331f1"`
[INFO] [stdout] db08a7491d7f808f08f11421802263e4ada5dabbd44beb93afe8769b8e7331f1