error: this expression creates a reference which is immediately dereferenced by the compiler --> src/build.rs:218:39 | 218 | let module_def = ModuleDef::parse(&def_contents, machine_type)?; | ^^^^^^^^^^^^^ help: change this to: `def_contents` | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow = note: `-D clippy::needless-borrow` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_borrow)]`