error[E0277]: the trait bound `&str: From<String>` is not satisfied
  --> $DIR/into-str.rs:4:5
   |
LL | fn foo<'a, T>(_t: T) where T: Into<&'a str> {}
   |                               ------------- required by this bound in `foo`
...
LL |     foo(String::new());
   |     ^^^ the trait `From<String>` is not implemented for `&str`
   |
   = note: to coerce a `String` into a `&str`, use `&*` as a prefix
   = note: required because of the requirements on the impl of `Into<&str>` for `String`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.