Rust: Clippy: Deprecating `feature = "cargo-clippy"`

[NewsBot]

A new Rust blog post/announcement has been posted!

Since Clippy v0.0.97 and before it was shipped with rustup, Clippy implicitly added a feature = "cargo-clippy" config¹ when linting your code with cargo clippy.

Back in the day (2016) this was necessary to allow, warn or deny Clippy lints using attributes:

#[cfg_attr(feature = "cargo-clippy", allow(clippy_lint_name))]

Doing this hasn't been necessary for a long time. Today, Clippy users will set lint levels with tool lint attributes using the clippy:: prefix:

#[allow(clippy::lint_name)]

The implicit feature = "cargo-clippy" has only been kept ...

Get the full details here: Clippy: Deprecating `feature = "cargo-clippy"` | Rust Blog