[INFO] updating cached repository mkyl/cicada
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mkyl/cicada
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mkyl/cicada" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mkyl/cicada"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mkyl/cicada'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mkyl/cicada" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mkyl/cicada"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mkyl/cicada'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4519dedcdf37ee0a364dfd73861c2475ed2f2c33
[INFO] sha for GitHub repo mkyl/cicada: 4519dedcdf37ee0a364dfd73861c2475ed2f2c33
[INFO] validating manifest of mkyl/cicada on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mkyl/cicada on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mkyl/cicada
[INFO] finished frobbing mkyl/cicada
[INFO] frobbed toml for mkyl/cicada written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mkyl/cicada/Cargo.toml
[INFO] started frobbing mkyl/cicada
[INFO] finished frobbing mkyl/cicada
[INFO] frobbed toml for mkyl/cicada written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/mkyl/cicada/Cargo.toml
[INFO] crate mkyl/cicada already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mkyl/cicada against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-3/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/mkyl/cicada:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3ced0f149c8b88b571d3cc2b93cafc2a7e92a53905407591563b6ad8ddacaab8
[INFO] running `"docker" "start" "-a" "3ced0f149c8b88b571d3cc2b93cafc2a7e92a53905407591563b6ad8ddacaab8"`
[INFO] [stderr]     Checking cicada v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `board::chessboard`
[INFO] [stderr]  --> src/zobrist.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use board::chessboard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `board::chessboard`
[INFO] [stderr]  --> src/zobrist.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use board::chessboard;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `think`
[INFO] [stderr]    --> src/sanity.rs:245:9
[INFO] [stderr]     |
[INFO] [stderr] 245 |     use think;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best`
[INFO] [stderr]    --> src/think.rs:241:13
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let mut best : u32 = 0;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_best`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `score` is never read
[INFO] [stderr]    --> src/think.rs:242:13
[INFO] [stderr]     |
[INFO] [stderr] 242 |     let mut score = 0;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `score` is never read
[INFO] [stderr]    --> src/think.rs:302:13
[INFO] [stderr]     |
[INFO] [stderr] 302 |     let mut score = -inf;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stale_alpha`
[INFO] [stderr]    --> src/think.rs:389:9
[INFO] [stderr]     |
[INFO] [stderr] 389 |     let stale_alpha = alpha;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_stale_alpha`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `score` is never read
[INFO] [stderr]    --> src/think.rs:392:13
[INFO] [stderr]     |
[INFO] [stderr] 392 |     let mut score = -inf;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/sanity.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |     for x in 0..4 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `best`
[INFO] [stderr]    --> src/think.rs:241:13
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let mut best : u32 = 0;
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_best`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `score` is never read
[INFO] [stderr]    --> src/think.rs:242:13
[INFO] [stderr]     |
[INFO] [stderr] 242 |     let mut score = 0;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `score` is never read
[INFO] [stderr]    --> src/think.rs:302:13
[INFO] [stderr]     |
[INFO] [stderr] 302 |     let mut score = -inf;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stale_alpha`
[INFO] [stderr]    --> src/think.rs:389:9
[INFO] [stderr]     |
[INFO] [stderr] 389 |     let stale_alpha = alpha;
[INFO] [stderr]     |         ^^^^^^^^^^^ help: consider prefixing with an underscore: `_stale_alpha`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `score` is never read
[INFO] [stderr]    --> src/think.rs:392:13
[INFO] [stderr]     |
[INFO] [stderr] 392 |     let mut score = -inf;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/think.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let mut best : u32 = 0;
[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/uci.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut input = &mut String::new();
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_1`
[INFO] [stderr]   --> src/board.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     rank_1,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_2`
[INFO] [stderr]   --> src/board.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     rank_2,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_3`
[INFO] [stderr]   --> src/board.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     rank_3,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_4`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     rank_4,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_5`
[INFO] [stderr]   --> src/board.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     rank_5,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_6`
[INFO] [stderr]   --> src/board.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     rank_6,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_7`
[INFO] [stderr]   --> src/board.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     rank_7,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `invalid_rank`
[INFO] [stderr]   --> src/board.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     invalid_rank
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A1`
[INFO] [stderr]   --> src/board.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     A1 = 21, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H1`
[INFO] [stderr]   --> src/board.rs:58:38
[INFO] [stderr]    |
[INFO] [stderr] 58 |     A1 = 21, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A2`
[INFO] [stderr]   --> src/board.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B2`
[INFO] [stderr]   --> src/board.rs:59:14
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C2`
[INFO] [stderr]   --> src/board.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D2`
[INFO] [stderr]   --> src/board.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E2`
[INFO] [stderr]   --> src/board.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F2`
[INFO] [stderr]   --> src/board.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G2`
[INFO] [stderr]   --> src/board.rs:59:34
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H2`
[INFO] [stderr]   --> src/board.rs:59:38
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A3`
[INFO] [stderr]   --> src/board.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B3`
[INFO] [stderr]   --> src/board.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C3`
[INFO] [stderr]   --> src/board.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D3`
[INFO] [stderr]   --> src/board.rs:60:22
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E3`
[INFO] [stderr]   --> src/board.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F3`
[INFO] [stderr]   --> src/board.rs:60:30
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G3`
[INFO] [stderr]   --> src/board.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H3`
[INFO] [stderr]   --> src/board.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A4`
[INFO] [stderr]   --> src/board.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B4`
[INFO] [stderr]   --> src/board.rs:61:14
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C4`
[INFO] [stderr]   --> src/board.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D4`
[INFO] [stderr]   --> src/board.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E4`
[INFO] [stderr]   --> src/board.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F4`
[INFO] [stderr]   --> src/board.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G4`
[INFO] [stderr]   --> src/board.rs:61:34
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H4`
[INFO] [stderr]   --> src/board.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A5`
[INFO] [stderr]   --> src/board.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B5`
[INFO] [stderr]   --> src/board.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C5`
[INFO] [stderr]   --> src/board.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D5`
[INFO] [stderr]   --> src/board.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E5`
[INFO] [stderr]   --> src/board.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F5`
[INFO] [stderr]   --> src/board.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G5`
[INFO] [stderr]   --> src/board.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H5`
[INFO] [stderr]   --> src/board.rs:62:38
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A6`
[INFO] [stderr]   --> src/board.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B6`
[INFO] [stderr]   --> src/board.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C6`
[INFO] [stderr]   --> src/board.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D6`
[INFO] [stderr]   --> src/board.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E6`
[INFO] [stderr]   --> src/board.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F6`
[INFO] [stderr]   --> src/board.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G6`
[INFO] [stderr]   --> src/board.rs:63:34
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H6`
[INFO] [stderr]   --> src/board.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A7`
[INFO] [stderr]   --> src/board.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B7`
[INFO] [stderr]   --> src/board.rs:64:14
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C7`
[INFO] [stderr]   --> src/board.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D7`
[INFO] [stderr]   --> src/board.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E7`
[INFO] [stderr]   --> src/board.rs:64:26
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F7`
[INFO] [stderr]   --> src/board.rs:64:30
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G7`
[INFO] [stderr]   --> src/board.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H7`
[INFO] [stderr]   --> src/board.rs:64:38
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A8`
[INFO] [stderr]   --> src/board.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     A8 = 91, B8, C8, D8, E8, F8, G8, H8
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H8`
[INFO] [stderr]   --> src/board.rs:65:38
[INFO] [stderr]    |
[INFO] [stderr] 65 |     A8 = 91, B8, C8, D8, E8, F8, G8, H8
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: static item is never used: `leafnodes`
[INFO] [stderr]    --> src/sanity.rs:198:1
[INFO] [stderr]     |
[INFO] [stderr] 198 | static mut leafnodes : f64 = 0f64;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `perft`
[INFO] [stderr]    --> src/sanity.rs:200:1
[INFO] [stderr]     |
[INFO] [stderr] 200 | pub fn perft(depth : i32, cboard : &mut board::chessboard) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `perft_test`
[INFO] [stderr]    --> src/sanity.rs:220:1
[INFO] [stderr]     |
[INFO] [stderr] 220 | pub fn perft_test(depth: i32, cboard : &mut board::chessboard) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/think.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let mut best : u32 = 0;
[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/uci.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut input = &mut String::new();
[INFO] [stderr]   |         ----^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_1`
[INFO] [stderr]   --> src/board.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     rank_1,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_2`
[INFO] [stderr]   --> src/board.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     rank_2,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_3`
[INFO] [stderr]   --> src/board.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     rank_3,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_4`
[INFO] [stderr]   --> src/board.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     rank_4,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_5`
[INFO] [stderr]   --> src/board.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 42 |     rank_5,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_6`
[INFO] [stderr]   --> src/board.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     rank_6,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `rank_7`
[INFO] [stderr]   --> src/board.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     rank_7,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `invalid_rank`
[INFO] [stderr]   --> src/board.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     invalid_rank
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A1`
[INFO] [stderr]   --> src/board.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     A1 = 21, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H1`
[INFO] [stderr]   --> src/board.rs:58:38
[INFO] [stderr]    |
[INFO] [stderr] 58 |     A1 = 21, B1, C1, D1, E1, F1, G1, H1,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A2`
[INFO] [stderr]   --> src/board.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B2`
[INFO] [stderr]   --> src/board.rs:59:14
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C2`
[INFO] [stderr]   --> src/board.rs:59:18
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D2`
[INFO] [stderr]   --> src/board.rs:59:22
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E2`
[INFO] [stderr]   --> src/board.rs:59:26
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F2`
[INFO] [stderr]   --> src/board.rs:59:30
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G2`
[INFO] [stderr]   --> src/board.rs:59:34
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H2`
[INFO] [stderr]   --> src/board.rs:59:38
[INFO] [stderr]    |
[INFO] [stderr] 59 |     A2 = 31, B2, C2, D2, E2, F2, G2, H2,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A3`
[INFO] [stderr]   --> src/board.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B3`
[INFO] [stderr]   --> src/board.rs:60:14
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C3`
[INFO] [stderr]   --> src/board.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D3`
[INFO] [stderr]   --> src/board.rs:60:22
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E3`
[INFO] [stderr]   --> src/board.rs:60:26
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F3`
[INFO] [stderr]   --> src/board.rs:60:30
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G3`
[INFO] [stderr]   --> src/board.rs:60:34
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H3`
[INFO] [stderr]   --> src/board.rs:60:38
[INFO] [stderr]    |
[INFO] [stderr] 60 |     A3 = 41, B3, C3, D3, E3, F3, G3, H3,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A4`
[INFO] [stderr]   --> src/board.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B4`
[INFO] [stderr]   --> src/board.rs:61:14
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C4`
[INFO] [stderr]   --> src/board.rs:61:18
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D4`
[INFO] [stderr]   --> src/board.rs:61:22
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E4`
[INFO] [stderr]   --> src/board.rs:61:26
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F4`
[INFO] [stderr]   --> src/board.rs:61:30
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G4`
[INFO] [stderr]   --> src/board.rs:61:34
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H4`
[INFO] [stderr]   --> src/board.rs:61:38
[INFO] [stderr]    |
[INFO] [stderr] 61 |     A4 = 51, B4, C4, D4, E4, F4, G4, H4,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A5`
[INFO] [stderr]   --> src/board.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B5`
[INFO] [stderr]   --> src/board.rs:62:14
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C5`
[INFO] [stderr]   --> src/board.rs:62:18
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D5`
[INFO] [stderr]   --> src/board.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E5`
[INFO] [stderr]   --> src/board.rs:62:26
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F5`
[INFO] [stderr]   --> src/board.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G5`
[INFO] [stderr]   --> src/board.rs:62:34
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H5`
[INFO] [stderr]   --> src/board.rs:62:38
[INFO] [stderr]    |
[INFO] [stderr] 62 |     A5 = 61, B5, C5, D5, E5, F5, G5, H5,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A6`
[INFO] [stderr]   --> src/board.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B6`
[INFO] [stderr]   --> src/board.rs:63:14
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C6`
[INFO] [stderr]   --> src/board.rs:63:18
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D6`
[INFO] [stderr]   --> src/board.rs:63:22
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E6`
[INFO] [stderr]   --> src/board.rs:63:26
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F6`
[INFO] [stderr]   --> src/board.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G6`
[INFO] [stderr]   --> src/board.rs:63:34
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H6`
[INFO] [stderr]   --> src/board.rs:63:38
[INFO] [stderr]    |
[INFO] [stderr] 63 |     A6 = 71, B6, C6, D6, E6, F6, G6, H6,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A7`
[INFO] [stderr]   --> src/board.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B7`
[INFO] [stderr]   --> src/board.rs:64:14
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `C7`
[INFO] [stderr]   --> src/board.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `D7`
[INFO] [stderr]   --> src/board.rs:64:22
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `E7`
[INFO] [stderr]   --> src/board.rs:64:26
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                          ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `F7`
[INFO] [stderr]   --> src/board.rs:64:30
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `G7`
[INFO] [stderr]   --> src/board.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                                  ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H7`
[INFO] [stderr]   --> src/board.rs:64:38
[INFO] [stderr]    |
[INFO] [stderr] 64 |     A7 = 81, B7, C7, D7, E7, F7, G7, H7,
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A8`
[INFO] [stderr]   --> src/board.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     A8 = 91, B8, C8, D8, E8, F8, G8, H8
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `H8`
[INFO] [stderr]   --> src/board.rs:65:38
[INFO] [stderr]    |
[INFO] [stderr] 65 |     A8 = 91, B8, C8, D8, E8, F8, G8, H8
[INFO] [stderr]    |                                      ^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "3ced0f149c8b88b571d3cc2b93cafc2a7e92a53905407591563b6ad8ddacaab8"`
[INFO] running `"docker" "rm" "-f" "3ced0f149c8b88b571d3cc2b93cafc2a7e92a53905407591563b6ad8ddacaab8"`
[INFO] [stdout] 3ced0f149c8b88b571d3cc2b93cafc2a7e92a53905407591563b6ad8ddacaab8