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error[E0554]: #![feature] may not be used on the stable release channel in Glacier/crates/glacier_reflect/src/lib.rs #1

Description

@HeavyLvy

Happened after cargo test, also ide telling me its an issue:

error[E0554]: #![feature] may not be used on the stable release channel
--> crates/glacier_reflect/src/lib.rs:1:1
|
1 | #![feature(let_chains)]
| ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
|
= help: the feature let_chains has been stable since 1.88.0 and no longer requires an attribute to enable

warning: the feature let_chains has been stable since 1.88.0 and no longer requires an attribute to enable
--> crates/glacier_reflect/src/lib.rs:1:12
|
1 | #![feature(let_chains)]
| ^^^^^^^^^^
|
= note: #[warn(stable_features)] on by default

For more information about this error, try rustc --explain E0554.
warning: glacier_reflect (lib) generated 1 warning
error: could not compile glacier_reflect (lib) due to 1 previous error; 1 warning emitted
warning: build failed, waiting for other jobs to finish...

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