statements are unstable 请问需要如何破？

[nevertoday]

error[E0658]: let...else statements are unstable
--> crates/biliup/src/server/core/download_actor.rs:72:5
|
72 | let Some(extractor) = find_extractor(&url) else { return; };
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #87335 rust-lang/rust#87335 for more information

warning: unused import: std::any::Any
--> crates/biliup/src/server/core/download_actor.rs:8:5
|
8 | use std::any::Any;
| ^^^^^^^^^^^^^

warning: unused import: anyhow::Context
--> crates/biliup/src/server/infrastructure/repositories/live_streamers_repository.rs:3:5
|
3 | use anyhow::Context;
| ^^^^^^^^^^^^^^^

For more information about this error, try rustc --explain E0658.
warning: biliup (lib) generated 16 warnings
error: could not compile biliup due to 3 previous errors; 16 warnings emitted
warning: build failed, waiting for other jobs to finish...

[ForgQi]

rust升级最新版