message: Fix 1.45 clippy warnings
  These caused CI to fail for master because 1.45 was published between
  the CI run and the master run.
diff: @@ -7,7 +7,7 @@ use std::{fs, path::PathBuf, str::FromStr};
  fn crates_from_file<F>(path: &PathBuf, func: &mut F) -> Result<()>
  where
  - F: FnMut(&str, &str) -> (),
  + F: FnMut(&str, &str),
  {
  let reader = fs::File::open(path).map(BufReader::new)?;
  @@ -54,7 +54,7 @@ where
  if !name.is_empty() {
  versions.reverse();
  for version in versions {
  - func(&name[..], &version[..]);
  + func(&name, &version);
  }
  }
  @@ -63,7 +63,7 @@ where
  pub fn crates_from_path<F>(path: &PathBuf, func: &mut F) -> Result<()>
  where
  - F: FnMut(&str, &str) -> (),
  + F: FnMut(&str, &str),
  {
  if !path.is_dir() {
  return Err(err_msg("Not a directory"));
  