[INFO] cloning repository https://github.com/kempchee/rust_chess_move_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kempchee/rust_chess_move_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkempchee%2Frust_chess_move_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkempchee%2Frust_chess_move_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 803e4be8c86d863422b61f80c27f4d1e7afb11d0
[INFO] checking kempchee/rust_chess_move_generator against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkempchee%2Frust_chess_move_generator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kempchee/rust_chess_move_generator on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kempchee/rust_chess_move_generator
[INFO] finished tweaking git repo https://github.com/kempchee/rust_chess_move_generator
[INFO] tweaked toml for git repo https://github.com/kempchee/rust_chess_move_generator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kempchee/rust_chess_move_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/2700475d06c1a9036e9e70966f25f84c3920a26a7cec08f297329c8a44683eba-init: no space left on device
[INFO] checking kempchee/rust_chess_move_generator against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkempchee%2Frust_chess_move_generator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: sha1 file '/workspace/builds/worker-7-tc2/source/.git/index.lock' write error. Out of diskspace
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking kempchee/rust_chess_move_generator against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkempchee%2Frust_chess_move_generator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kempchee/rust_chess_move_generator on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kempchee/rust_chess_move_generator
[INFO] finished tweaking git repo https://github.com/kempchee/rust_chess_move_generator
[INFO] tweaked toml for git repo https://github.com/kempchee/rust_chess_move_generator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kempchee/rust_chess_move_generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74109ad11049a02296b8bdb1816913e7f270e9afe0a1eb893f4139574433dfd5
[INFO] running `Command { std: "docker" "start" "-a" "74109ad11049a02296b8bdb1816913e7f270e9afe0a1eb893f4139574433dfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74109ad11049a02296b8bdb1816913e7f270e9afe0a1eb893f4139574433dfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74109ad11049a02296b8bdb1816913e7f270e9afe0a1eb893f4139574433dfd5", kill_on_drop: false }`
[INFO] [stdout] 74109ad11049a02296b8bdb1816913e7f270e9afe0a1eb893f4139574433dfd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddff8823e61f720a4a04c5a0bd6c7319bf93e36d6e7a545370419f01fce0a32f
[INFO] running `Command { std: "docker" "start" "-a" "ddff8823e61f720a4a04c5a0bd6c7319bf93e36d6e7a545370419f01fce0a32f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking move_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/main.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for (column_index,column) in row.iter().enumerate(){
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/main.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for (column_index,column) in row.iter().enumerate(){
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `converted_fen`
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let converted_fen=convert_array_to_fen(board_array,side_to_play,castling_availability,enpassant_target,half_move_clock,full_move_numb...
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted_fen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `converted_fen`
[INFO] [stdout]    --> src/main.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let converted_fen=convert_array_to_fen(board_array,side_to_play,castling_availability,enpassant_target,half_move_clock,full_move_numb...
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_converted_fen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut piece_locations=duplicate_moves.get(key).unwrap().clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:56:13
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let mut piece_locations=duplicate_moves.get(key).unwrap().clone();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut notation_letter:String="R".to_string();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut notation_letter:String="R".to_string();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:219:29
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:219:45
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:219:64
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:219:90
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:219:123
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:223:31
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:223:47
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                               ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:219:29
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:223:66
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:219:45
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:223:92
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:219:64
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:223:125
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:219:90
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:227:31
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:219:123
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:227:47
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                               ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:227:66
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:227:92
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:223:31
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:227:125
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:223:47
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                               ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:231:45
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:223:66
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:231:64
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:231:90
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:223:92
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:231:123
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:223:125
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:227:31
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:235:30
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:227:47
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                               ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:235:46
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:227:66
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                  ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:235:65
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:235:91
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:227:92
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:235:124
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 for i in 0..char.parse::<i64>().unwrap(){
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:227:125
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:231:29
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:231:45
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:231:64
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:231:90
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                          ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:231:123
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_row`
[INFO] [stdout]    --> src/main.rs:235:30
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_column`
[INFO] [stdout]    --> src/main.rs:235:46
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board_array`
[INFO] [stdout]    --> src/main.rs:235:65
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_board_array`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `available_moves`
[INFO] [stdout]    --> src/main.rs:235:91
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                           ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_available_moves`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color`
[INFO] [stdout]    --> src/main.rs:235:124
[INFO] [stdout]     |
[INFO] [stdout] 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] [stdout]     |                                                                                                                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_color`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:249:21
[INFO] [stdout]     |
[INFO] [stdout] 249 |                 for i in 0..char.parse::<i64>().unwrap(){
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:143:92
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...   let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stdout]     |                                                                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:149:96
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...   let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter)as u...
[INFO] [stdout]     |                                                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:161:92
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...   let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stdout]     |                                                                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:167:96
[INFO] [stdout]     |
[INFO] [stdout] 167 | ...   let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as ...
[INFO] [stdout]     |                                                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:178:109
[INFO] [stdout]     |
[INFO] [stdout] 178 | ...LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:184:113
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:196:109
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:202:113
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:143:92
[INFO] [stdout]     |
[INFO] [stdout] 143 | ...   let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter) as usize];
[INFO] [stdout]     |                                                                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:149:96
[INFO] [stdout]     |
[INFO] [stdout] 149 | ...   let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row+row_counter)as u...
[INFO] [stdout]     |                                                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:161:92
[INFO] [stdout]     |
[INFO] [stdout] 161 | ...   let possible_move=notation_letter.clone()+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as usize];
[INFO] [stdout]     |                                                                                      ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:167:96
[INFO] [stdout]     |
[INFO] [stdout] 167 | ...   let possible_move=notation_letter.clone()+"x"+COLUMNS_LOOKUP[start_column as usize].clone()+ROWS_LOOKUP[(start_row-row_counter) as ...
[INFO] [stdout]     |                                                                                          ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:178:109
[INFO] [stdout]     |
[INFO] [stdout] 178 | ...LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:184:113
[INFO] [stdout]     |
[INFO] [stdout] 184 | ...LOOKUP[(start_column+column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:196:109
[INFO] [stdout]     |
[INFO] [stdout] 196 | ...LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/main.rs:202:113
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...LOOKUP[(start_column-column_counter) as usize].clone()+ROWS_LOOKUP[start_row as usize];
[INFO] [stdout]     |                                                  ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "ddff8823e61f720a4a04c5a0bd6c7319bf93e36d6e7a545370419f01fce0a32f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddff8823e61f720a4a04c5a0bd6c7319bf93e36d6e7a545370419f01fce0a32f", kill_on_drop: false }`
[INFO] [stdout] ddff8823e61f720a4a04c5a0bd6c7319bf93e36d6e7a545370419f01fce0a32f