gin` This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.to_digit: invalid radix -- radix must be in the range 2 to 36 inclusiveunsafe precondition(s) violated: slice::get_unchecked requires that the range is within the slice 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::get_unchecked_mut requires that the range is within the slice This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.€