Unknown Error when doing Module::from_ptx

[GabrieleC07]

When retrieving ptx code, by doing Module::from_ptx, it returns UnknownError

FULL CODE

use std::ffi::CString;
use std::io::{BufWriter, Write};
use std::fs;
use std::time::Instant;
use cust::module::ModuleJitOption;
use cust::prelude::*;

mod is_near_square_prime;

fn main() {
    // Init CUDA and cust
    let _ctx = cust::quick_init().unwrap();
    let ptx = include_str!("../near_sq_prime.ptx");
    let module = Module::from_ptx(&ptx, &[ModuleJitOption::OptLevel(cust::module::OptLevel::O0)]).unwrap();
    let stream = Stream::new(StreamFlags::NON_BLOCKING, None).unwrap();

    // Allocate memory for input and output arrays
    let mem = 1024;
    let nums: Vec<i32> = vec![1; mem];
    let size: usize = nums.len();
    let mut results: Vec<i32> = vec![0; mem];

    

    // Allocate device memory
    let device_nums = DeviceBuffer::from_slice(&nums).unwrap();
    let device_size = DeviceVariable::new(size).unwrap();
    let device_result = DeviceBuffer::from_slice(&results).unwrap();

    unsafe {
        let result = launch!(module.check_near_square_prime<<<1, 1, 0, stream>>>(
            device_nums.as_device_ptr(),
            device_result.as_device_ptr(),
            device_size.as_device_ptr(),
        ));
        // Ensure there were no errors
        result.unwrap();
    }
    let file = fs::File::create("output.txt").unwrap();    
    let num_to_search = get_number_to_search();
    
    
    let start = Instant::now();
    let start_find = Instant::now();

    println!("Finished searching, beginning to sort!");
    let start_sort = Instant::now();
    results.sort();
    let results_sorted = results.into_iter().map(|x| x.to_string());
    let end_sort = start_sort.elapsed();
    println!("Finished sorting, to sort it took {}, beginning to write", end_sort.as_secs());

    let results_len = results_sorted.len();
    let duration_find = start_find.elapsed();
    println!("To find near-square primes it took {} seconds, found {} near-square primes, searched {} numbers",
        duration_find.as_secs(), results_len, num_to_search);

    let start_write = Instant::now();
    let mut writer = BufWriter::new(&file);

    // Clear file contents before writing to it again
    file.set_len(0).unwrap();

    for line in results_sorted {
        writer.write(format!("{}\n", line).as_bytes()).unwrap();
    }
    let duration_write = start_write.elapsed();
    println!("To write near-square primes it took {} seconds, wrote {} near-square primes",
        duration_write.as_secs(), results_len);

    let duration = start.elapsed();
    println!("Total time taken: {} seconds", duration.as_secs());
}

fn get_number_to_search() -> u128 {
    let mut input = String::new();

    println!("Input until which number to search");
    std::io::stdin()
        .read_line(&mut input)
        .unwrap();
    let num_to_search = input.trim().parse::<u128>().expect("ONLY INPUT DIGITS");
    
    num_to_search
}