Invoking `cargo run --example=molid_error --release` throws error: `thread 'main' panicked at 'assertion failed: new_molid < old_molid', lumol/src/core/src/sys/systems.rs:380`

molid_error.rs

// Lumol, an extensible molecular simulation engine
// Copyright (C) 2015-2016 G. Fraux — BSD license
extern crate lumol;
extern crate lumol_input as input;

use lumol::sys::Trajectory;
use std::path::Path;

fn works() {
    let data_dir = Path::new(file!()).parent().unwrap().join("data");
    let configuration = data_dir.join("spc_works.xyz");
    Trajectory::open(configuration)
        .and_then(|mut traj| traj.read_guess_bonds())
        .unwrap();
}
fn error() {
    let data_dir = Path::new(file!()).parent().unwrap().join("data");
    let configuration = data_dir.join("spc_error.xyz");
    Trajectory::open(configuration)
        .and_then(|mut traj| traj.read_guess_bonds())
        .unwrap();
}
fn main() {
    works();
    error();
}

spc_error.xyz

         3
 MC_STEP:            0
 H   -7.3113215869188597       -4.2813742245186086        5.1497674562148656    
 H   -6.9516847627516745       -2.8471649332112117        4.4564961792745361
 O   -7.0584397177598799       -3.3300800971698754        5.3260945486382170   

spc_works.xyz

         3
 MC_STEP:            0
 H   -7.3113215869188597       -4.2813742245186086        5.1497674562148656    
 O   -7.0584397177598799       -3.3300800971698754        5.3260945486382170    
 H   -6.9516847627516745       -2.8471649332112117        4.4564961792745361   

spc_works2.xyz

         3
 MC_STEP:            0
O   -7.0584397177598799       -3.3300800971698754        5.3260945486382170
H   -7.3113215869188597       -4.2813742245186086        5.1497674562148656
H   -6.9516847627516745       -2.8471649332112117        4.4564961792745361