error: this expression creates a reference which is immediately dereferenced by the compiler --> src/output/step.rs:601:19 | 601 | .emit(&&spec::TestStepArtifactImpl::Diagnosis( | ___________________^ 602 | | diagnosis.to_artifact(), 603 | | )) | |_____________^ | = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow note: the lint level is defined here --> src/output/mod.rs:6:9 | 6 | #![deny(warnings)] | ^^^^^^^^ = note: `#[deny(clippy::needless_borrow)]` implied by `#[deny(warnings)]` help: change this to | 601 ~ .emit((&spec::TestStepArtifactImpl::Diagnosis( 602 + diagnosis.to_artifact(), 603 ~ ))) |