error[E0658]: compiler plugins are deprecated --> $DIR/feature-gate-plugin.rs:4:1 | LL | #![plugin(empty_plugin)] | ^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #29597 for more information = 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 --> $DIR/feature-gate-plugin.rs:4:1 | LL | #![plugin(empty_plugin)] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: may be removed in a future compiler version | = note: `#[warn(deprecated)]` on by default error: aborting due to previous error; 1 warning emitted For more information about this error, try `rustc --explain E0658`.