warning: taken reference of right operand --> theseus/src/launcher/mod.rs:457:32 | 457 | .find(|(k, _)| k == &key) | ^^^^^---- | | | help: use the right value directly: `key` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#op_ref = note: `#[warn(clippy::op_ref)]` on by default