error: expected expression, found `.`
  --> $DIR/recover-tuple.rs:3:40
   |
LL |     let x: (usize, usize, usize) = (3, .=.);
   |                                        ^ expected expression

error[E0308]: mismatched types
  --> $DIR/recover-tuple.rs:6:20
   |
LL |     let y: usize = "";
   |                    ^^ expected usize, found reference
   |
   = note: expected type `usize`
              found type `&'static str`

error: aborting due to 2 previous errors

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