use crate::html::highlight;
use crate::html::layout;
use crate::html::render::{Error, SharedContext, BASIC_KEYWORDS};
+use rustc_span::source_map::FileName;
use std::ffi::OsStr;
use std::fs;
use std::path::{Component, Path, PathBuf};
-use syntax::source_map::FileName;
crate fn render(
dst: &Path,