//@ build-fail fn main() { divide_by_zero(); mod_by_zero(); oob_error_for_slices(); } fn divide_by_zero() { let y = 0; let _z = 1 / y; //~ ERROR this operation will panic at runtime [unconditional_panic] } fn mod_by_zero() { let y = 0; let _z = 1 % y; //~ ERROR this operation will panic at runtime [unconditional_panic] } fn oob_error_for_slices() { let a: *const [_] = &[1, 2, 3]; unsafe { let _b = (*a)[3]; } }