message: Improve debugging while walking crates
diff: @@ -31,7 +31,7 @@ impl Crates {
  if let Ok(krate) = Crate::new(tmp.path()) {
  f(krate);
  } else {
  - log::warn!("Not a crate {}", entry.name().unwrap());
  + log::warn!("Not a crate '{}'", entry.name().unwrap());
  }
  tmp.as_file().set_len(0)?;
  tmp.seek(SeekFrom::Start(0))?;
  @@ -40,8 +40,8 @@ impl Crates {
  })()
  .with_context(|_| {
  format!(
  - "Loading crate details from {}",
  - entry.name().unwrap_or_default()
  + "Loading crate details from '{}'",
  + entry.name().unwrap_or("<unknown>")
  )
  });
  match result {
  