error[E0518]: attribute should be applied to function or closure
  --> $DIR/attr-usage-inline.rs:6:1
   |
LL | #[inline] //~ ERROR: attribute should be applied to function or closure
   | ^^^^^^^^^
LL | struct S;
   | --------- not a function or closure

error: aborting due to previous error

For more information about this error, try `rustc --explain E0518`.