error[E0308]: mismatched types --> $DIR/numeric-cast-2.rs:5:18 | LL | let x: u16 = foo(); | --- ^^^^^ expected `u16`, found `i32` | | | expected due to this | help: you can convert an `i32` to `u16` and panic if the converted value wouldn't fit | LL | let x: u16 = foo().try_into().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ error[E0308]: mismatched types --> $DIR/numeric-cast-2.rs:7:18 | LL | let y: i64 = x + x; | --- ^^^^^ | | | | | expected `i64`, found `u16` | | help: you can convert a `u16` to `i64`: `(x + x).into()` | expected due to this error[E0308]: mismatched types --> $DIR/numeric-cast-2.rs:9:18 | LL | let z: i32 = x + x; | --- ^^^^^ | | | | | expected `i32`, found `u16` | | help: you can convert a `u16` to `i32`: `(x + x).into()` | expected due to this error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0308`.