error: expected iterable, found keyword `in`
  --> $DIR/if-in-in.rs:2:14
   |
LL |     for i in in 1..2 {
   |           ---^^
   |           |
   |           help: remove the duplicated `in`
   |
   = note: if you meant to use emplacement syntax, it is obsolete (for now, anyway)
   = note: for more information on the status of emplacement syntax, see <https://github.com/rust-lang/rust/issues/27779#issuecomment-378416911>

error: aborting due to previous error