clippy lints: redundant_clone is on by default, allow clippy::collapsible_if

Author: matthiaskrgr

src/cargo/lib.rs

@@ -18,8 +18,8 @@
 #![allow(clippy::wrong_self_convention)] // perhaps `Rc` should be special-cased in Clippy?
 #![allow(clippy::write_with_newline)] // too pedantic
 #![allow(clippy::inefficient_to_string)] // this causes suggestions that result in `(*s).to_string()`
+#![allow(clippy::collapsible_if)] // too pedantic
 #![warn(clippy::needless_borrow)]
-#![warn(clippy::redundant_clone)]
 // Unit is now interned, and would probably be better as pass-by-copy, but
 // doing so causes a lot of & and * shenanigans that makes the code arguably
 // less clear and harder to read.