[INFO] updating cached repository kempchee/rust_chess_move_generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kempchee/rust_chess_move_generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kempchee/rust_chess_move_generator" "work/ex/clippy-test-run/sources/stable/gh/kempchee/rust_chess_move_generator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/kempchee/rust_chess_move_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kempchee/rust_chess_move_generator" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kempchee/rust_chess_move_generator"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kempchee/rust_chess_move_generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 803e4be8c86d863422b61f80c27f4d1e7afb11d0
[INFO] sha for GitHub repo kempchee/rust_chess_move_generator: 803e4be8c86d863422b61f80c27f4d1e7afb11d0
[INFO] validating manifest of kempchee/rust_chess_move_generator on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kempchee/rust_chess_move_generator on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kempchee/rust_chess_move_generator
[INFO] finished frobbing kempchee/rust_chess_move_generator
[INFO] frobbed toml for kempchee/rust_chess_move_generator written to work/ex/clippy-test-run/sources/stable/gh/kempchee/rust_chess_move_generator/Cargo.toml
[INFO] started frobbing kempchee/rust_chess_move_generator
[INFO] finished frobbing kempchee/rust_chess_move_generator
[INFO] frobbed toml for kempchee/rust_chess_move_generator written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kempchee/rust_chess_move_generator/Cargo.toml
[INFO] crate kempchee/rust_chess_move_generator has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting kempchee/rust_chess_move_generator against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-2/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/kempchee/rust_chess_move_generator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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 -Dclippy::into_iter_on_array" "-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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1c910bd83a93dd0984eb671df72185808377a1137dee0637c145d4a8fdba4e44
[INFO] running `"docker" "start" "-a" "1c910bd83a93dd0984eb671df72185808377a1137dee0637c145d4a8fdba4e44"`
[INFO] [stderr]     Checking move_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/main.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | const COLUMNS_LOOKUP:[&'static str;8]=["a","b","c","d","e","f","g","h"];
[INFO] [stderr]   |                       -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/main.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | const ROWS_LOOKUP:[&'static str;8]=["8","7","6","5","4","3","2","1"];
[INFO] [stderr]   |                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |               }else{
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 35 | |                 if board_array[row_index][column_index]!=""&&board_array[row_index][column_index].to_string().chars().nth(0).unwrap().is_uppercase(){
[INFO] [stderr] 36 | |                     match board_array[row_index][column_index]{
[INFO] [stderr] 37 | |                         "R"=>add_available_moves_rook(row_index as i8,column_index as i8,&board_array,&mut available_moves,"w",&mut duplicate_moves),
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |                 }
[INFO] [stderr] 47 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 34 |             }elseif board_array[row_index][column_index]!=""&&board_array[row_index][column_index].to_string().chars().nth(0).unwrap().is_uppercase(){
[INFO] [stderr] 35 |     match board_array[row_index][column_index]{
[INFO] [stderr] 36 |         "R"=>add_available_moves_rook(row_index as i8,column_index as i8,&board_array,&mut available_moves,"w",&mut duplicate_moves),
[INFO] [stderr] 37 |         "P"=>add_available_moves_pawn(row_index,column_index,&board_array,&mut available_moves,"w"),
[INFO] [stderr] 38 |         "K"=>add_available_moves_king(row_index,column_index,&board_array,&mut available_moves,"w"),
[INFO] [stderr] 39 |         "Q"=>add_available_moves_queen(row_index,column_index,&board_array,&mut available_moves,"w"),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:135:180
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn add_available_moves_rook(start_row:i8,start_column:i8,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str,duplicate_moves:&mut HashMap<String,Vec<[usize;2]>>)->(){
[INFO] [stderr]     |                                                                                                                                                                                    ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:211:135
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn insert_into_duplicate_moves(duplicate_moves:&mut HashMap<String,Vec<[usize;2]>>,possible_move:&String,start_row:i8,start_column:i8)->(){
[INFO] [stderr]     |                                                                                                                                       ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:219:134
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                      ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:223:136
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                        ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:227:136
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                        ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:231:134
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                      ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:235:135
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                       ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/main.rs:1:24
[INFO] [stderr]   |
[INFO] [stderr] 1 | const COLUMNS_LOOKUP:[&'static str;8]=["a","b","c","d","e","f","g","h"];
[INFO] [stderr]   |                       -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]  --> src/main.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | const ROWS_LOOKUP:[&'static str;8]=["8","7","6","5","4","3","2","1"];
[INFO] [stderr]   |                    -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]   --> src/main.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |               }else{
[INFO] [stderr]    |  __________________^
[INFO] [stderr] 35 | |                 if board_array[row_index][column_index]!=""&&board_array[row_index][column_index].to_string().chars().nth(0).unwrap().is_uppercase(){
[INFO] [stderr] 36 | |                     match board_array[row_index][column_index]{
[INFO] [stderr] 37 | |                         "R"=>add_available_moves_rook(row_index as i8,column_index as i8,&board_array,&mut available_moves,"w",&mut duplicate_moves),
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |                 }
[INFO] [stderr] 47 | |             }
[INFO] [stderr]    | |_____________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]    |
[INFO] [stderr] 34 |             }elseif board_array[row_index][column_index]!=""&&board_array[row_index][column_index].to_string().chars().nth(0).unwrap().is_uppercase(){
[INFO] [stderr] 35 |     match board_array[row_index][column_index]{
[INFO] [stderr] 36 |         "R"=>add_available_moves_rook(row_index as i8,column_index as i8,&board_array,&mut available_moves,"w",&mut duplicate_moves),
[INFO] [stderr] 37 |         "P"=>add_available_moves_pawn(row_index,column_index,&board_array,&mut available_moves,"w"),
[INFO] [stderr] 38 |         "K"=>add_available_moves_king(row_index,column_index,&board_array,&mut available_moves,"w"),
[INFO] [stderr] 39 |         "Q"=>add_available_moves_queen(row_index,column_index,&board_array,&mut available_moves,"w"),
[INFO] [stderr]  ...
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:135:180
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn add_available_moves_rook(start_row:i8,start_column:i8,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str,duplicate_moves:&mut HashMap<String,Vec<[usize;2]>>)->(){
[INFO] [stderr]     |                                                                                                                                                                                    ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:211:135
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn insert_into_duplicate_moves(duplicate_moves:&mut HashMap<String,Vec<[usize;2]>>,possible_move:&String,start_row:i8,start_column:i8)->(){
[INFO] [stderr]     |                                                                                                                                       ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:219:134
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                      ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:223:136
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                        ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:227:136
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                        ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:231:134
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                      ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit return type
[INFO] [stderr]    --> src/main.rs:235:135
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                                       ^^^^ help: remove the `-> ()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]   --> src/main.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |         for (column_index,column) in row.iter().enumerate(){
[INFO] [stderr]    |                           ^^^^^^ help: consider using `_column` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `column`
[INFO] [stderr]   --> src/main.rs:21:27
[INFO] [stderr]    |
[INFO] [stderr] 21 |         for (column_index,column) in row.iter().enumerate(){
[INFO] [stderr]    |                           ^^^^^^ help: consider using `_column` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `converted_fen`
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let converted_fen=convert_array_to_fen(board_array,side_to_play,castling_availability,enpassant_target,half_move_clock,full_move_number);
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider using `_converted_fen` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                             ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:219:45
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:219:64
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:219:90
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                          ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:219:123
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                           ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:223:31
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                               ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:223:47
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                               ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:223:66
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:223:92
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                            ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:223:125
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                             ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:227:31
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                               ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:227:47
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                               ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:227:66
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:227:92
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                            ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:227:125
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                             ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:231:29
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                             ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:231:45
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:231:64
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:231:90
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                          ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:231:123
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                           ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:235:30
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                              ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:235:46
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                              ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:235:65
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:235:91
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                           ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:235:124
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                            ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:249:21
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 for i in 0..char.parse::<i64>().unwrap(){
[INFO] [stderr]     |                     ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `converted_fen`
[INFO] [stderr]    --> src/main.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let converted_fen=convert_array_to_fen(board_array,side_to_play,castling_availability,enpassant_target,half_move_clock,full_move_number);
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: consider using `_converted_fen` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:219:29
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                             ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:219:45
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:219:64
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:219:90
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                          ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:219:123
[INFO] [stderr]     |
[INFO] [stderr] 219 | fn add_available_moves_pawn(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                           ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:223:31
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                               ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:223:47
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                               ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:223:66
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:223:92
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                            ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:223:125
[INFO] [stderr]     |
[INFO] [stderr] 223 | fn add_available_moves_bishop(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                             ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:227:31
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                               ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:227:47
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                               ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:227:66
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                  ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:227:92
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                            ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:227:125
[INFO] [stderr]     |
[INFO] [stderr] 227 | fn add_available_moves_knight(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                             ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:231:29
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                             ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:231:45
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                             ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:231:64
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:231:90
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                          ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:231:123
[INFO] [stderr]     |
[INFO] [stderr] 231 | fn add_available_moves_king(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                           ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_row`
[INFO] [stderr]    --> src/main.rs:235:30
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                              ^^^^^^^^^ help: consider using `_start_row` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_column`
[INFO] [stderr]    --> src/main.rs:235:46
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                              ^^^^^^^^^^^^ help: consider using `_start_column` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board_array`
[INFO] [stderr]    --> src/main.rs:235:65
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                 ^^^^^^^^^^^ help: consider using `_board_array` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `available_moves`
[INFO] [stderr]    --> src/main.rs:235:91
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                           ^^^^^^^^^^^^^^^ help: consider using `_available_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/main.rs:235:124
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn add_available_moves_queen(start_row:usize,start_column:usize,board_array:&[[&str;8];8],available_moves:&mut Vec<String>,color:&str)->(){
[INFO] [stderr]     |                                                                                                                            ^^^^^ help: consider using `_color` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:249:21
[INFO] [stderr]     |
[INFO] [stderr] 249 |                 for i in 0..char.parse::<i64>().unwrap(){
[INFO] [stderr]     |                     ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |     let mut notation_letter:String="R".to_string();
[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: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut piece_locations=duplicate_moves.get(key).unwrap().clone();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&duplicate_moves[key]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     end_of_move_string=end_of_move_string+&key.to_string().chars().nth(i).unwrap().to_string()[..];
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `end_of_move_string += &key.to_string().chars().nth(i).unwrap().to_string()[..]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |     let mut notation_letter:String="R".to_string();
[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: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/main.rs:114:16
[INFO] [stderr]     |
[INFO] [stderr] 114 |             if column.to_string()==""{
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: try: `column`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     fen_string=fen_string+&empty_square_count.to_string()[..];
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fen_string += &empty_square_count.to_string()[..]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |             fen_string=fen_string+&empty_square_count.to_string()[..];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fen_string += &empty_square_count.to_string()[..]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             fen_string=fen_string+"/";
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fen_string += "/"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:143:55
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:149:59
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter)as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row+row_counter)as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row+row_counter)as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:161:55
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:167:59
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:178:55
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[(start_column+column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[(start_column+column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:184:59
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[(start_column+column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[(start_column+column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:196:55
[INFO] [stderr]     |
[INFO] [stderr] 196 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 196 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[(start_column-column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 196 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[(start_column-column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:202:59
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[(start_column-column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[(start_column-column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:211:98
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn insert_into_duplicate_moves(duplicate_moves:&mut HashMap<String,Vec<[usize;2]>>,possible_move:&String,start_row:i8,start_column:i8)->(){
[INFO] [stderr]     |                                                                                                  ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: called `.get().unwrap()` on a HashMap. Using `[]` is more clear and more concise
[INFO] [stderr]   --> src/main.rs:56:33
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut piece_locations=duplicate_moves.get(key).unwrap().clone();
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `&duplicate_moves[key]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::get_unwrap)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#get_unwrap
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]   --> src/main.rs:76:21
[INFO] [stderr]    |
[INFO] [stderr] 76 |                     end_of_move_string=end_of_move_string+&key.to_string().chars().nth(i).unwrap().to_string()[..];
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `end_of_move_string += &key.to_string().chars().nth(i).unwrap().to_string()[..]`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:241:80
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let piece_locations=fen.split_whitespace().collect::<Vec<&str>>()[0].split("/").collect::<Vec<&str>>();
[INFO] [stderr]     |                                                                                ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: this creates an owned instance just for comparison
[INFO] [stderr]    --> src/main.rs:114:16
[INFO] [stderr]     |
[INFO] [stderr] 114 |             if column.to_string()==""{
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^ help: try: `column`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_owned)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |                     fen_string=fen_string+&empty_square_count.to_string()[..];
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fen_string += &empty_square_count.to_string()[..]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 125 |             fen_string=fen_string+&empty_square_count.to_string()[..];
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fen_string += &empty_square_count.to_string()[..]`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/main.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             fen_string=fen_string+"/";
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `fen_string += "/"`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:143:55
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::clone_double_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 143 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:149:59
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter)as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row+row_counter)as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row+row_counter)as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:161:55
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 161 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:167:59
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[start_column as usize]).clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 167 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[start_column as usize])+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:178:55
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[(start_column+column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 178 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[(start_column+column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:184:59
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[(start_column+column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 184 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[(start_column+column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:196:55
[INFO] [stderr]     |
[INFO] [stderr] 196 |             let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 196 |             let possible_move=notation_letter.clone()+&(*COLUMNS_LOOKUP[(start_column-column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 196 |             let possible_move=notation_letter.clone()+&str::clone(COLUMNS_LOOKUP[(start_column-column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
[INFO] [stderr]    --> src/main.rs:202:59
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_double_ref
[INFO] [stderr] help: try dereferencing it
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let possible_move=notation_letter.clone()+"x"+&(*COLUMNS_LOOKUP[(start_column-column_counter) as usize]).clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: or try being explicit about what type to clone
[INFO] [stderr]     |
[INFO] [stderr] 202 |             let possible_move=notation_letter.clone()+"x"+&str::clone(COLUMNS_LOOKUP[(start_column-column_counter) as usize])+ROWS_LOOKUP[start_row as usize];
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:211:98
[INFO] [stderr]     |
[INFO] [stderr] 211 | fn insert_into_duplicate_moves(duplicate_moves:&mut HashMap<String,Vec<[usize;2]>>,possible_move:&String,start_row:i8,start_column:i8)->(){
[INFO] [stderr]     |                                                                                                  ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr] error: Could not compile `move_generator`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/main.rs:241:80
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let piece_locations=fen.split_whitespace().collect::<Vec<&str>>()[0].split("/").collect::<Vec<&str>>();
[INFO] [stderr]     |                                                                                ^^^ help: try using a char instead: `'/'`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `move_generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1c910bd83a93dd0984eb671df72185808377a1137dee0637c145d4a8fdba4e44"`
[INFO] running `"docker" "rm" "-f" "1c910bd83a93dd0984eb671df72185808377a1137dee0637c145d4a8fdba4e44"`
[INFO] [stdout] 1c910bd83a93dd0984eb671df72185808377a1137dee0637c145d4a8fdba4e44