error[E0498]: malformed `plugin` attribute --> $DIR/plugin-args.rs:5:11 | LL | #![plugin(empty_plugin(args))] | ^^^^^^^^^^^^^^^^^^ malformed attribute warning: use of deprecated attribute `plugin`: compiler plugins are deprecated. See https://github.com/rust-lang/rust/pull/64675 --> $DIR/plugin-args.rs:5:1 | LL | #![plugin(empty_plugin(args))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 E0498`.