How to enable feature 'bool_to_option' when compling on Windows 10?

[lotusstudio]

Checking shakmaty v0.18.0
error[E0658]: use of unstable library feature 'bool_to_option'
--> C:\Users\Lotus.cargo\registry\src\crates.rustcc.com-a21e0f92747beca3\shakmaty-0.18.0\src\fen.rs:459:110
|
459 | } else if let Some(split_point) = board_part.iter().enumerate().filter_map(|(idx, ch)| (*ch == b'/').then(||
idx)).nth(7) {
| ^^^^
|
= note: see issue #64260 rust-lang/rust#64260 for more information
= help: add #![feature(bool_to_option)] to the crate attributes to enable

error: aborting due to previous error

For more information about this error, try rustc --explain E0658.
error: could not compile shakmaty.

To learn more, run the command again with --verbose.

[niklasf]

Hi. This requires Rust 1.50. If you have installed Rust using rustup, simply rustup update to update to the latest stable.