cked requires the argument to be non-zero

This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: Layout::from_size_align_unchecked requires that align is a power of 2 and the rounded-up allocation size does not exceed isize::MAX

This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.