Clippy warning: missing #[must_use] attribute on a method returning Self

[takkuumi]

warning: missing `#[must_use]` attribute on a method returning `Self`
  --> /root/health-service/target/debug/build/rpc-c5819cd3df3465ae/out/auth_log.rs:79:5
   |
79 | /     pub fn accept_gzip(mut self) -> Self {
80 | |       self.inner = self.inner.accept_gzip();
81 | |       self
82 | |     }
   | |_____^
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#return_self_not_must_use

Rustc version:

rustc 1.59.0-nightly (b60e32c82 2021-12-30)

[LucioFranco]

Is this a new warning? This could totally be a nightly bug or something?

[takkuumi]

Is this a new warning? This could totally be a nightly bug or something?

I use nightly rust, warning since from version 1.59