error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/main.rs:17:17 | LL | let x: u8 = transmute(10u16); | ^^^^^^^^^ | = note: source type: `u16` (16 bits) = note: target type: `u8` (8 bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/main.rs:21:17 | LL | let x: u8 = transmute("test"); | ^^^^^^^^^ | = note: source type: `&str` ($STR bits) = note: target type: `u8` (8 bits) error[E0512]: cannot transmute between types of different sizes, or dependently-sized types --> $DIR/main.rs:26:18 | LL | let x: Foo = transmute(10); | ^^^^^^^^^ | = note: source type: `i32` (32 bits) = note: target type: `Foo` (0 bits) error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0512`.