= b'/'unsafe precondition(s) violated: ptr::offset_from_unsigned requires `self >= origin`

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` valueis_nonoverlapping: `size_of::<T>() * count` overflows a usizeTrustedLen iterator's size hint is not exact: unsafe precondition(s) violated: Vec::set_len requires that new_len <= capacity()

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