[INFO] updating cached repository https://github.com/kempchee/rust_chess_move_generator
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 803e4be8c86d863422b61f80c27f4d1e7afb11d0
[INFO] testing kempchee/rust_chess_move_generator against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkempchee%2Frust_chess_move_generator" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kempchee/rust_chess_move_generator on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8b7fdae78132e6ea69053277a841e5be6c290bc9ad0d0022879031a6c89c16c
[INFO] running `"docker" "start" "-a" "d8b7fdae78132e6ea69053277a841e5be6c290bc9ad0d0022879031a6c89c16c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling move_generator v0.1.0 (/opt/rustwide/workdir)
[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: if this is intentional, prefix it with an underscore: `_column`
[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: if this is intentional, prefix it with an underscore: `_converted_fen`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut piece_locations=duplicate_moves.get(key).unwrap().clone();
[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: 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] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "d8b7fdae78132e6ea69053277a841e5be6c290bc9ad0d0022879031a6c89c16c"`
[INFO] running `"docker" "rm" "-f" "d8b7fdae78132e6ea69053277a841e5be6c290bc9ad0d0022879031a6c89c16c"`
[INFO] [stdout] d8b7fdae78132e6ea69053277a841e5be6c290bc9ad0d0022879031a6c89c16c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b266c4f395d6158ac240768fb5509a7cba615b938b3af69435825053f58d0e35
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b266c4f395d6158ac240768fb5509a7cba615b938b3af69435825053f58d0e35"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling move_generator v0.1.0 (/opt/rustwide/workdir)
[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: if this is intentional, prefix it with an underscore: `_column`
[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: if this is intentional, prefix it with an underscore: `_converted_fen`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut piece_locations=duplicate_moves.get(key).unwrap().clone();
[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: 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] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "b266c4f395d6158ac240768fb5509a7cba615b938b3af69435825053f58d0e35"`
[INFO] running `"docker" "rm" "-f" "b266c4f395d6158ac240768fb5509a7cba615b938b3af69435825053f58d0e35"`
[INFO] [stdout] b266c4f395d6158ac240768fb5509a7cba615b938b3af69435825053f58d0e35
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 6a423e1a3d0ce871da371780f1e954a1ec211905000be65e066f994f30deddb7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6a423e1a3d0ce871da371780f1e954a1ec211905000be65e066f994f30deddb7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: if this is intentional, prefix it with an underscore: `_column`
[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: if this is intentional, prefix it with an underscore: `_converted_fen`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_start_row`
[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: if this is intentional, prefix it with an underscore: `_start_column`
[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: if this is intentional, prefix it with an underscore: `_board_array`
[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: if this is intentional, prefix it with an underscore: `_available_moves`
[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: if this is intentional, prefix it with an underscore: `_color`
[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: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:56:13
[INFO] [stderr]    |
[INFO] [stderr] 56 |         let mut piece_locations=duplicate_moves.get(key).unwrap().clone();
[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: 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] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/move_generator-5743000c3effde83
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6a423e1a3d0ce871da371780f1e954a1ec211905000be65e066f994f30deddb7"`
[INFO] running `"docker" "rm" "-f" "6a423e1a3d0ce871da371780f1e954a1ec211905000be65e066f994f30deddb7"`
[INFO] [stdout] 6a423e1a3d0ce871da371780f1e954a1ec211905000be65e066f994f30deddb7