message: chore(vfs) Use `fs` rather than `std::fs`.
diff: @@ -13,7 +13,7 @@ pub struct HostFileSystem;
  impl FileSystem for HostFileSystem {
  fn read_dir(&self, path: &Path) -> Result<ReadDir, FsError> {
  - let read_dir = std::fs::read_dir(path)?;
  + let read_dir = fs::read_dir(path)?;
  let data = read_dir
  .map(|entry| -> Result<DirEntry, _> {
  let entry = entry?;
  @@ -114,7 +114,7 @@ impl FileOpener for HostFileOpener {
  let read = conf.read();
  let write = conf.write();
  let append = conf.append();
  - let mut oo = std::fs::OpenOptions::new();
  + let mut oo = fs::OpenOptions::new();
  oo.read(conf.read())
  .write(conf.write())
  .create_new(conf.create_new())
  @@ -172,7 +172,7 @@ impl<'de> Deserialize<'de> for HostFile {
  let flags = seq
  .next_element()?
  .ok_or_else(|| de::Error::invalid_length(1, &self))?;
  - let inner = std::fs::OpenOptions::new()
  + let inner = fs::OpenOptions::new()
  .read(flags & HostFile::READ != 0)
  .write(flags & HostFile::WRITE != 0)
  .append(flags & HostFile::APPEND != 0)
  @@ -209,7 +209,7 @@ impl<'de> Deserialize<'de> for HostFile {
  }
  let host_path = host_path.ok_or_else(|| de::Error::missing_field("host_path"))?;
  let flags = flags.ok_or_else(|| de::Error::missing_field("flags"))?;
  - let inner = std::fs::OpenOptions::new()
  + let inner = fs::OpenOptions::new()
  .read(flags & HostFile::READ != 0)
  .write(flags & HostFile::WRITE != 0)
  .append(flags & HostFile::APPEND != 0)
  @@ -329,7 +329,7 @@ impl VirtualFile for HostFile {
  }
  fn unlink(&mut self) -> Result<(), FsError> {
  - std::fs::remove_file(&self.host_path).map_err(Into::into)
  + fs::remove_file(&self.host_path).map_err(Into::into)
  }
  fn sync_to_disk(&self) -> Result<(), FsError> {
  self.inner.sync_all().map_err(Into::into)
  