message: Refactorized code
diff: @@ -121,16 +121,22 @@ fn read_nested_packages(path: &Path,
  let manifest_path = find_project_manifest_exact(path, "Cargo.toml")?;
  - let result = read_manifest(&manifest_path, source_id, config);
  -
  - // Ignore malformed manifests
  - if result.is_err() {
  + let (manifest, nested) = match read_manifest(&manifest_path, source_id, config) {
  + Err(_) => {
  + // Ignore malformed manifests found on git repositories
  + //
  + // git source try to find and read all manifests from the repository
  + // but since it's not possible to exclude folders from this search
  + // it's safer to ignore malformed manifests to avoid
  + //
  + // TODO: Add a way to exclude folders?
  info!("skipping malformed package found at `{}`",
  path.to_string_lossy());
  return Ok(());
  }
  + Ok(tuple) => tuple
  + };
  - let (manifest, nested) = result.unwrap();
  let manifest = match manifest {
  EitherManifest::Real(manifest) => manifest,
  EitherManifest::Virtual(..) => return Ok(()),
  