[INFO] updating cached repository https://github.com/cszatma/rust-tetris
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0230613632e3388a3020ea59a950f294f8a67b32
[INFO] checking cszatma/rust-tetris against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcszatma%2Frust-tetris" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cszatma/rust-tetris on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cszatma/rust-tetris
[INFO] finished tweaking git repo https://github.com/cszatma/rust-tetris
[INFO] tweaked toml for git repo https://github.com/cszatma/rust-tetris written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/cszatma/rust-tetris already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cc0d47f79de2fea9b15c2516e656f53d8ec8d25120c8e50c87f2a6f22c7469be
[INFO] running `"docker" "start" "-a" "cc0d47f79de2fea9b15c2516e656f53d8ec8d25120c8e50c87f2a6f22c7469be"`
[INFO] [stderr]     Checking rust-tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `tetrimino::Tetrimino`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tetrimino::Tetrimino;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tetrimino::Tetrimino`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use tetrimino::Tetrimino;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/tetrimino.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let (x, y) = self.position;
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/tetrimino.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let (x, y) = self.position;
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut game = Game::init(input[0][1].parse().unwrap(), input[0][2].parse().unwrap());
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/tetrimino.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let (x, y) = self.position;
[INFO] [stderr]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/tetrimino.rs:80:17
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let (x, y) = self.position;
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let mut game = Game::init(input[0][1].parse().unwrap(), input[0][2].parse().unwrap());
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `current_piece`
[INFO] [stderr]  --> src/game.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     current_piece: Option<Tetrimino>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `points`
[INFO] [stderr]  --> src/tetrimino.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     points: Vec<Vec<i32>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]  --> src/tetrimino.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     position: (i32, i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `symbol`
[INFO] [stderr]  --> src/tetrimino.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     symbol: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/tetrimino.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn init(type_num: i32, position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_one`
[INFO] [stderr]   --> src/tetrimino.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn type_one(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_two`
[INFO] [stderr]   --> src/tetrimino.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn type_two(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_three`
[INFO] [stderr]   --> src/tetrimino.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn type_three(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_four`
[INFO] [stderr]   --> src/tetrimino.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn type_four(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_five`
[INFO] [stderr]   --> src/tetrimino.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn type_five(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_six`
[INFO] [stderr]   --> src/tetrimino.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn type_six(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_seven`
[INFO] [stderr]   --> src/tetrimino.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn type_seven(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pos_on_board`
[INFO] [stderr]   --> src/tetrimino.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_pos_on_board(&self) -> Vec<Vec<i32>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_x_values`
[INFO] [stderr]   --> src/tetrimino.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn get_x_values(&self) -> Vec<i32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_y_values`
[INFO] [stderr]   --> src/tetrimino.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn get_y_values(&self) -> Vec<i32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `perform_move`
[INFO] [stderr]   --> src/tetrimino.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn perform_move(&mut self, board: &Board, move_str: String) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift_horizontally`
[INFO] [stderr]   --> src/tetrimino.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn shift_horizontally(&mut self, board: &Board, direction: String) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift_down`
[INFO] [stderr]   --> src/tetrimino.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn shift_down(&mut self, board: &Board) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `perform_drop`
[INFO] [stderr]   --> src/tetrimino.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn perform_drop(&mut self, board: &Board) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_on_bottom`
[INFO] [stderr]    --> src/tetrimino.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn is_on_bottom(&self, board: &Board) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `piece_does_overlap`
[INFO] [stderr]    --> src/tetrimino.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn piece_does_overlap(&self, board: &Board) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_out_of_bounds`
[INFO] [stderr]    --> src/tetrimino.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn is_out_of_bounds(&self, board: &Board) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `values_at_positions`
[INFO] [stderr]   --> src/board.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn values_at_positions(&self, positions: Vec<Vec<i32>>) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_piece_at_positions`
[INFO] [stderr]   --> src/board.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn has_piece_at_positions(&self, positions: Vec<Vec<i32>>) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_of_rows`
[INFO] [stderr]   --> src/board.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn num_of_rows(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ok`
[INFO] [stderr]  --> src/status.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Ok,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]  --> src/status.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Failed,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Placed`
[INFO] [stderr]  --> src/status.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Placed,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `current_piece`
[INFO] [stderr]  --> src/game.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     current_piece: Option<Tetrimino>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `points`
[INFO] [stderr]  --> src/tetrimino.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     points: Vec<Vec<i32>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]  --> src/tetrimino.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     position: (i32, i32),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `symbol`
[INFO] [stderr]  --> src/tetrimino.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     symbol: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `init`
[INFO] [stderr]   --> src/tetrimino.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn init(type_num: i32, position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_one`
[INFO] [stderr]   --> src/tetrimino.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn type_one(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_two`
[INFO] [stderr]   --> src/tetrimino.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn type_two(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_three`
[INFO] [stderr]   --> src/tetrimino.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn type_three(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_four`
[INFO] [stderr]   --> src/tetrimino.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn type_four(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_five`
[INFO] [stderr]   --> src/tetrimino.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn type_five(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_six`
[INFO] [stderr]   --> src/tetrimino.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn type_six(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `type_seven`
[INFO] [stderr]   --> src/tetrimino.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn type_seven(position: (i32, i32)) -> Tetrimino {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_pos_on_board`
[INFO] [stderr]   --> src/tetrimino.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     pub fn get_pos_on_board(&self) -> Vec<Vec<i32>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_x_values`
[INFO] [stderr]   --> src/tetrimino.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn get_x_values(&self) -> Vec<i32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_y_values`
[INFO] [stderr]   --> src/tetrimino.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn get_y_values(&self) -> Vec<i32> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `perform_move`
[INFO] [stderr]   --> src/tetrimino.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn perform_move(&mut self, board: &Board, move_str: String) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift_horizontally`
[INFO] [stderr]   --> src/tetrimino.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn shift_horizontally(&mut self, board: &Board, direction: String) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `shift_down`
[INFO] [stderr]   --> src/tetrimino.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn shift_down(&mut self, board: &Board) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `perform_drop`
[INFO] [stderr]   --> src/tetrimino.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     fn perform_drop(&mut self, board: &Board) -> Status {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_on_bottom`
[INFO] [stderr]    --> src/tetrimino.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn is_on_bottom(&self, board: &Board) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `piece_does_overlap`
[INFO] [stderr]    --> src/tetrimino.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn piece_does_overlap(&self, board: &Board) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_out_of_bounds`
[INFO] [stderr]    --> src/tetrimino.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     fn is_out_of_bounds(&self, board: &Board) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `values_at_positions`
[INFO] [stderr]   --> src/board.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn values_at_positions(&self, positions: Vec<Vec<i32>>) -> Vec<String> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `has_piece_at_positions`
[INFO] [stderr]   --> src/board.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn has_piece_at_positions(&self, positions: Vec<Vec<i32>>) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `num_of_rows`
[INFO] [stderr]   --> src/board.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn num_of_rows(&self) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ok`
[INFO] [stderr]  --> src/status.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Ok,
[INFO] [stderr]   |     ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Failed`
[INFO] [stderr]  --> src/status.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Failed,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Placed`
[INFO] [stderr]  --> src/status.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Placed,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "cc0d47f79de2fea9b15c2516e656f53d8ec8d25120c8e50c87f2a6f22c7469be"`
[INFO] running `"docker" "rm" "-f" "cc0d47f79de2fea9b15c2516e656f53d8ec8d25120c8e50c87f2a6f22c7469be"`
[INFO] [stdout] cc0d47f79de2fea9b15c2516e656f53d8ec8d25120c8e50c87f2a6f22c7469be