[INFO] cloning repository https://github.com/nkoppel/rootchess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nkoppel/rootchess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoppel%2Frootchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoppel%2Frootchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 186f4f6b5ac2e6a267f0a4a5d7e22618bf4c5f4a
[INFO] checking nkoppel/rootchess against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkoppel%2Frootchess" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nkoppel/rootchess on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nkoppel/rootchess
[INFO] finished tweaking git repo https://github.com/nkoppel/rootchess
[INFO] tweaked toml for git repo https://github.com/nkoppel/rootchess written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nkoppel/rootchess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8fac5c2723c244bef60b86a1d6138785a9abb1483a3cddb9dd2e6fdc389b7851
[INFO] running `Command { std: "docker" "start" "-a" "8fac5c2723c244bef60b86a1d6138785a9abb1483a3cddb9dd2e6fdc389b7851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8fac5c2723c244bef60b86a1d6138785a9abb1483a3cddb9dd2e6fdc389b7851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fac5c2723c244bef60b86a1d6138785a9abb1483a3cddb9dd2e6fdc389b7851", kill_on_drop: false }`
[INFO] [stdout] 8fac5c2723c244bef60b86a1d6138785a9abb1483a3cddb9dd2e6fdc389b7851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc90c333e470087e7f528a759e8f21c253bc116a50e2e36c5c0b6994a521f901
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc90c333e470087e7f528a759e8f21c253bc116a50e2e36c5c0b6994a521f901", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling packed_simd_2 v0.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking chess2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::moves::*`
[INFO] [stdout]  --> src/gen_moves.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::moves::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/gen_moves.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let piece = (board.b >> (sq as u32) & 1);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::gen_moves::*`
[INFO] [stdout]  --> src/moves.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::gen_moves::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]    --> src/moves.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     use test::Bencher;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicU64`, `Ordering`
[INFO] [stdout]  --> src/tt.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{Ordering, AtomicU64};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/tt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::gen_tables::*`
[INFO] [stdout]  --> src/search.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::gen_tables::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]   --> src/search.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Sender, Receiver, channel};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/uci.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{channel, Sender, Receiver};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/uci.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | use std::io::{self, prelude::*, BufReader, BufRead};
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/search.rs:400:13
[INFO] [stdout]     |
[INFO] [stdout] 400 |         use std::io::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_tables::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use gen_tables::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board::*`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use board::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_moves::*`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use gen_moves::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `moves::*`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use moves::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tt::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tt::*;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `search::*`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use search::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval::*`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use eval::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/board.rs:436:9
[INFO] [stdout]     |
[INFO] [stdout] 436 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]    --> src/board.rs:437:9
[INFO] [stdout]     |
[INFO] [stdout] 437 |     use test::Bencher;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/eval.rs:277:9
[INFO] [stdout]     |
[INFO] [stdout] 277 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]    --> src/eval.rs:278:9
[INFO] [stdout]     |
[INFO] [stdout] 278 |     use test::Bencher;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::moves::*`
[INFO] [stdout]  --> src/gen_moves.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::moves::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/gen_moves.rs:224:17
[INFO] [stdout]     |
[INFO] [stdout] 224 |     let piece = (board.b >> (sq as u32) & 1);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]    --> src/gen_moves.rs:693:9
[INFO] [stdout]     |
[INFO] [stdout] 693 |     use test::Bencher;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::gen_moves::*`
[INFO] [stdout]  --> src/moves.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::gen_moves::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]    --> src/moves.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |     use test::Bencher;
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicU64`, `Ordering`
[INFO] [stdout]  --> src/tt.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::atomic::{Ordering, AtomicU64};
[INFO] [stdout]   |                         ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/tt.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/tt.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]   --> src/tt.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     use test::Bencher;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Barrier`
[INFO] [stdout]   --> src/tt.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     use std::sync::Barrier;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/tt.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |     use std::thread;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::gen_tables::*`
[INFO] [stdout]  --> src/search.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::gen_tables::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Sender`
[INFO] [stdout]   --> src/search.rs:10:23
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::sync::mpsc::{Sender, Receiver, channel};
[INFO] [stdout]    |                       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Receiver`
[INFO] [stdout]  --> src/uci.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::mpsc::{channel, Sender, Receiver};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]    --> src/uci.rs:181:15
[INFO] [stdout]     |
[INFO] [stdout] 181 | use std::io::{self, prelude::*, BufReader, BufRead};
[INFO] [stdout]     |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/search.rs:400:13
[INFO] [stdout]     |
[INFO] [stdout] 400 |         use std::io::Write;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_tables::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use gen_tables::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board::*`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use board::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gen_moves::*`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use gen_moves::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `moves::*`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use moves::*;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tt::*`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use tt::*;
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `search::*`
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | use search::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `eval::*`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use eval::*;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `te`
[INFO] [stdout]    --> src/gen_tables.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let te = piece_to_sq(8);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_te`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pawns`
[INFO] [stdout]    --> src/gen_moves.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let pawns = self.board.pawns() & self.cur_occ;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_pawns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]    --> src/gen_moves.rs:329:33
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let (threat, empty, diff) =
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt`
[INFO] [stdout]    --> src/eval.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut tt = TT::with_len(0);
[INFO] [stdout]     |                 ^^ help: if this is intentional, prefix it with an underscore: `_tt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tt2`
[INFO] [stdout]    --> src/tt.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let tt2 = tt.clone();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_tt2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/tt.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |             let c = Arc::clone(&barrier);
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> src/search.rs:108:34
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let (mut depth2, mut cnt) = (0, 0);
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nthreads`
[INFO] [stdout]    --> src/uci.rs:268:21
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 let nthreads = threads.threads.len();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nthreads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ponder` is assigned to, but never used
[INFO] [stdout]    --> src/uci.rs:319:25
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 let mut ponder = false;
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_ponder` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ponder` is never read
[INFO] [stdout]    --> src/uci.rs:341:29
[INFO] [stdout]     |
[INFO] [stdout] 341 | ...                   ponder = true;
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total` is assigned to, but never used
[INFO] [stdout]   --> src/uci.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     let mut total = 0;
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/uci.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |                         let lock = moves.lock().unwrap();
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/board.rs:442:13
[INFO] [stdout]     |
[INFO] [stdout] 442 |         let mut board2 = Board::from_fen("rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR b KQkq -");
[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/board.rs:478:13
[INFO] [stdout]     |
[INFO] [stdout] 478 |         let mut board1 = Board::from_fen(START_FEN);
[INFO] [stdout]     |             ----^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `te`
[INFO] [stdout]    --> src/gen_tables.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 |     let te = piece_to_sq(8);
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_te`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pawns`
[INFO] [stdout]    --> src/gen_moves.rs:261:13
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let pawns = self.board.pawns() & self.cur_occ;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_pawns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `diff`
[INFO] [stdout]    --> src/gen_moves.rs:329:33
[INFO] [stdout]     |
[INFO] [stdout] 329 |             let (threat, empty, diff) =
[INFO] [stdout]     |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_diff`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cnt` is never read
[INFO] [stdout]    --> src/search.rs:108:34
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let (mut depth2, mut cnt) = (0, 0);
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nthreads`
[INFO] [stdout]    --> src/uci.rs:268:21
[INFO] [stdout]     |
[INFO] [stdout] 268 |                 let nthreads = threads.threads.len();
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nthreads`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `ponder` is assigned to, but never used
[INFO] [stdout]    --> src/uci.rs:319:25
[INFO] [stdout]     |
[INFO] [stdout] 319 |                 let mut ponder = false;
[INFO] [stdout]     |                         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_ponder` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ponder` is never read
[INFO] [stdout]    --> src/uci.rs:341:29
[INFO] [stdout]     |
[INFO] [stdout] 341 | ...                   ponder = true;
[INFO] [stdout]     |                       ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total` is assigned to, but never used
[INFO] [stdout]   --> src/uci.rs:29:29
[INFO] [stdout]    |
[INFO] [stdout] 29 |                     let mut total = 0;
[INFO] [stdout]    |                             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_total` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lock`
[INFO] [stdout]   --> src/uci.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |                         let lock = moves.lock().unwrap();
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_lock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/gen_moves.rs:697:13
[INFO] [stdout]     |
[INFO] [stdout] 697 |         let mut generator = MoveGenerator::new(Board::from_fen("r7/q7/8/8/8/1nb5/2n5/K1P4r w - -"));
[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/gen_moves.rs:704:13
[INFO] [stdout]     |
[INFO] [stdout] 704 |         let mut generator = MoveGenerator::new(Board::from_fen("8/b5k1/8/3q1p2/8/1P1n1K2/8/7r w - -"));
[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/gen_moves.rs:778:13
[INFO] [stdout]     |
[INFO] [stdout] 778 |         let mut expected;
[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/gen_moves.rs:852:13
[INFO] [stdout]     |
[INFO] [stdout] 852 |         let mut generator = MoveGenerator::new(Board::from_fen(START_FEN));
[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/eval.rs:307:13
[INFO] [stdout]     |
[INFO] [stdout] 307 |         let mut tt = TT::with_len(0);
[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/tt.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let mut tt = TT::with_len(16);
[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/search.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |                      mut beta: i32,
[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/uci.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 SearchPerft(depth, mut moves) => {
[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/uci.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut pawn_tt = TT::with_len(62500);
[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/uci.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let mut searcher = Searcher::new(tt.clone(), pawn_tt.clone(), channel().1, channel().1, 0);
[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/uci.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let mut c960 = false;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]    --> src/gen_tables.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub fn print_board(board: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_piece`
[INFO] [stdout]   --> src/board.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_piece(&self, piece: u8) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/moves.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub const fn new() -> Self { Move(0) }
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetDebug`
[INFO] [stdout]   --> src/uci.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SetDebug(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes`
[INFO] [stdout]   --> src/search.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     nodes: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes_sec`
[INFO] [stdout]   --> src/search.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nodes_sec: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_single`
[INFO] [stdout]   --> src/search.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn new_single(ttsize: usize, c960: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_saturating_ops` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_saturating_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/uci.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 self.stops[thread].send(());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/search.rs:199:22
[INFO] [stdout]     |
[INFO] [stdout] 199 |                      mut beta: i32,
[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/uci.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 |                 SearchPerft(depth, mut moves) => {
[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/uci.rs:185:9
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let mut pawn_tt = TT::with_len(62500);
[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/uci.rs:188:9
[INFO] [stdout]     |
[INFO] [stdout] 188 |     let mut searcher = Searcher::new(tt.clone(), pawn_tt.clone(), channel().1, channel().1, 0);
[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/uci.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |     let mut c960 = false;
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_board`
[INFO] [stdout]    --> src/gen_tables.rs:205:8
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub fn print_board(board: u64) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_piece`
[INFO] [stdout]   --> src/board.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn get_piece(&self, piece: u8) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gen_moves.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn new(board: Board) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gen_t_gen_moves`
[INFO] [stdout]    --> src/gen_moves.rs:743:8
[INFO] [stdout]     |
[INFO] [stdout] 743 |     fn gen_t_gen_moves(board: Board, mut moves2: Vec<Board>, full: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/moves.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub const fn new() -> Self { Move(0) }
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_test_cases`
[INFO] [stdout]    --> src/moves.rs:232:8
[INFO] [stdout]     |
[INFO] [stdout] 232 |     fn get_test_cases() -> Vec<(Move, Board)> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/tt.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resize_safe`
[INFO] [stdout]   --> src/tt.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn resize_safe(&mut self, len: usize) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SetDebug`
[INFO] [stdout]   --> src/uci.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     SetDebug(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes`
[INFO] [stdout]   --> src/search.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     nodes: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nodes_sec`
[INFO] [stdout]   --> src/search.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nodes_sec: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_single`
[INFO] [stdout]   --> src/search.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn new_single(ttsize: usize, c960: bool) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_lines`
[INFO] [stdout]   --> src/main.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn read_lines<P>(filename: P) -> io::Result<io::Lines<io::BufReader<File>>>
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `duration_saturating_ops` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_saturating_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/uci.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |                 self.stops[thread].send(());
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 57 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.17s
[INFO] running `Command { std: "docker" "inspect" "cc90c333e470087e7f528a759e8f21c253bc116a50e2e36c5c0b6994a521f901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc90c333e470087e7f528a759e8f21c253bc116a50e2e36c5c0b6994a521f901", kill_on_drop: false }`
[INFO] [stdout] cc90c333e470087e7f528a759e8f21c253bc116a50e2e36c5c0b6994a521f901