checked requires the index to be 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::split_at_mut_unchecked requires the index to be within the slice

This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.Platform not supportedUtf8Errorvalid_up_toerror_lenMemmemfinderassertion failed: edge.height == self.height - 1internal error: entered unreachable code: empty internal nodeassertion failed: self.height > 0assertion failed: src.len() == dst.len()assertion failed: edge.height == self.node.height - 1assertion failed: count > 0assertion failed: old_right_len + count <= CAPACITYassertion failed: old_left_len >= countinternal error: entered unreachable codeassertion failed: old_left_len + count <= CAPACITYassertion failed: old_right_len >= countassertion failed: match track_edge_idx {
    LeftOrRight::Left(idx) => idx <= old_left_len,
    LeftOrRight::Right(idx) => idx <= right_len,
}assertion failed: new_left_len <= CAPACITY