error[E0308]: mismatched types
  --> $DIR/point-at-inference.rs:12:9
   |
LL |         foo.push(i);
   |         ---      - this argument has type `&{integer}`...
   |         |
   |         ... which causes `foo` to have type `Vec<&{integer}>`
...
LL |     bar(foo);
   |     --- ^^^ expected `Vec<i32>`, found `Vec<&{integer}>`
   |     |
   |     arguments to this function are incorrect
   |
   = note: expected struct `Vec<i32>`
              found struct `Vec<&{integer}>`
note: function defined here
  --> $DIR/point-at-inference.rs:2:4
   |
LL | fn bar(_: Vec<i32>) {}
   |    ^^^ -----------
help: consider dereferencing the borrow
   |
LL |         foo.push(*i);
   |                  +

error: aborting due to 1 previous error

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