= help: add `#![feature(plugin)]` to the crate attributes to enable
warning: use of deprecated attribute `plugin`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675
= help: add `#![feature(plugin)]` to the crate attributes to enable
warning: use of deprecated attribute `plugin`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675