ed Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: usize::unchecked_add cannot overflow This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: usize::unchecked_mul cannot overflow This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: usize::unchecked_sub cannot overflow This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: invalid value for `char` This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: slice::from_raw_parts requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX` This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.is_aligned_to: align is not a power-of-twounsafe precondition(s) violated: slice::from_raw_parts_mut requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX` This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.called `Result::unwrap()` on an `Err` value`new_layout.size()` must be smaller than or equal to `old_layout.size()`