message: more nitpickery in main
diff: @@ -36,7 +36,7 @@ use lazy_static::lazy_static;
  use regex::Regex;
  lazy_static! {
  - /// todo doc
  + /// Limits the number of parallel scans active at any given time when using --parallel
  static ref PARALLEL_LIMITER: Semaphore = Semaphore::new(0);
  }
  @@ -269,6 +269,7 @@ async fn wrapped_main(config: Arc<Configuration>) -> Result<()> {
  // from removing --parallel)
  original.remove(parallel_index);
  + // unvalidated targets fresh from stdin, just spawn children and let them do all checks
  for target in targets {
  // add the current target to the provided command
  let mut cloned = original.clone();
  @@ -276,17 +277,17 @@ async fn wrapped_main(config: Arc<Configuration>) -> Result<()> {
  cloned.push(target);
  let bin = cloned.index(0).to_owned(); // user's path to feroxbuster
  - let args = cloned.index(1..).to_vec();
  + let args = cloned.index(1..).to_vec(); // and args
  - let permit = PARALLEL_LIMITER.acquire().await.unwrap();
  + let permit = PARALLEL_LIMITER.acquire().await?;
  tokio::task::spawn_blocking(move || {
  let result = Command::new(bin)
  .args(&args)
  .spawn()
  - .expect("failed to exec")
  + .expect("failed to spawn a child process")
  .wait()
  - .expect("command errored out");
  + .expect("child process errored during execution");
  drop(permit);
  result
  