error: expected one of `)`, `,`, `@`, or `|`, found keyword `in`
  --> $DIR/recover-for-loop-parens-around-head.rs:10:16
   |
LL |     for ( elem in vec ) {
   |                ^^ expected one of `)`, `,`, `@`, or `|`

error: unexpected closing `)`
  --> $DIR/recover-for-loop-parens-around-head.rs:10:23
   |
LL |     for ( elem in vec ) {
   |         --------------^
   |         |
   |         opening `(`
   |         help: remove parenthesis in `for` loop: `elem in vec`

error[E0308]: mismatched types
  --> $DIR/recover-for-loop-parens-around-head.rs:13:38
   |
LL |         const RECOVERY_WITNESS: () = 0;
   |                                      ^ expected `()`, found integer

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0308`.