on(s) violated: isize::unchecked_neg cannot overflow

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: ptr::copy requires that both pointer arguments are aligned and non-null

This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.unsafe precondition(s) violated: str::get_unchecked requires that the range is within the string 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: invalid value for `char`

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