error: an inner attribute is not permitted following an outer doc comment
  --> $DIR/inner-attr-after-doc-comment.rs:6:3
   |
LL | #![recursion_limit="100"]
   |   ^
   |
   = note: inner attributes, like `#![no_std]`, annotate the item enclosing them, and are usually found at the beginning of source files. Outer attributes, like `#[test]`, annotate the item following them.

error: aborting due to previous error