error: expected one of `.`, `;`, `?`, or an operator, found `}`
  --> $DIR/issue-3036.rs:18:1
   |
LL |     let x = 3
   |              - expected one of `.`, `;`, `?`, or an operator here
LL | } //~ ERROR: expected one of `.`, `;`, `?`, or an operator, found `}`
   | ^ unexpected token

error: aborting due to previous error