error[E0308]: mismatched types --> $DIR/format-borrow.rs:2:21 | LL | let a: String = &String::from("a"); | ^^^^^^^^^^^^^^^^^^ | | | expected struct `std::string::String`, found `&std::string::String` | help: consider removing the borrow: `String::from("a")` error[E0308]: mismatched types --> $DIR/format-borrow.rs:4:21 | LL | let b: String = &format!("b"); | ^^^^^^^^^^^^^ | | | expected struct `std::string::String`, found `&std::string::String` | help: consider removing the borrow: `format!("b")` error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0308`.