error: malformed `proc_macro` attribute input --> $DIR/invalid-attributes.rs:10:1 | LL | #[proc_macro = "test"] | ^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro]` error: malformed `proc_macro` attribute input --> $DIR/invalid-attributes.rs:13:1 | LL | #[proc_macro()] | ^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro]` error: malformed `proc_macro` attribute input --> $DIR/invalid-attributes.rs:16:1 | LL | #[proc_macro(x)] | ^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro]` error: malformed `proc_macro_attribute` attribute input --> $DIR/invalid-attributes.rs:19:1 | LL | #[proc_macro_attribute = "test"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_attribute]` error: malformed `proc_macro_attribute` attribute input --> $DIR/invalid-attributes.rs:22:1 | LL | #[proc_macro_attribute()] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_attribute]` error: malformed `proc_macro_attribute` attribute input --> $DIR/invalid-attributes.rs:25:1 | LL | #[proc_macro_attribute(x)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[proc_macro_attribute]` error: aborting due to 6 previous errors