You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: dwarf-validate.rs
    path of file: ./repos/gimli/crates/examples/src/bin
    
    the code of the file until where you have to start completion: // Allow clippy lints when building without clippy.
#![allow(unknown_lints)]

use gimli::{AttributeValue, UnitHeader};
use object::{Object, ObjectSection};
use rayon::prelude::*;
use std::borrow::{Borrow, C
    
fn main() {
    let mut w = BufWriter::new(io::stdout());
    let mut errors = 0;
    for arg in env::args_os().skip(1) {
        let path = Path::new(&arg);
        let file = match fs::File::open(path) {
            Ok(file) => file,
            Err(err) => {
                eprintln!("Failed to open file '{}': {}", path.display(), err);
                errors += 1;
                continue;
            }
        };
        let file = match unsafe { memmap2::Mmap::map(&file) } {
            Ok(mmap) => mmap,
            Err(err) => {
                eprintln!("Failed to map file '{}': {}", path.display(), &err);
                errors += 1;
                continue;
            }
        };
        let file = match object::File::parse(&*file) {
            Ok(file) => file,
            Err(err) => {
                eprintln!("Failed to parse file '{}': {}", path.display(), err);
                errors += 1;
                continue;
            }
        };

        let endian = if file.is_little_endian() {
            gimli::RunTimeEndian::Little
        } else {
            gimli::RunTimeEndian::Big
        };
        let mut error_writer = ErrorWriter {
            inner: Mutex::new((&mut w, 0)),
            path: path.to_owned(),
        };
        validate_file(&mut error_writer, &file, endian);
        errors += error_writer.inner.into_inner().unwrap().1;
    }
    // Flush any errors.
    drop(w);
    if errors > 0 {
        process::exit(1);
    }
}