error: an inner attribute is not permitted following an outer attribute
  --> $DIR/inner-attr.rs:15:3
   |
LL | #![recursion_limit="100"] //~ ERROR an inner attribute is not permitted following an outer attribute
   |   ^
   |
   = 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