error: expected `|`, found `}`
  --> $DIR/issue-43196.rs:3:1
   |
LL |     |
   |      - expected `|`
LL | }
   | ^ unexpected token

error: expected item, found `|`
  --> $DIR/issue-43196.rs:5:1
   |
LL | |
   | ^ expected item
   |
   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>

error: aborting due to 2 previous errors