*: address warnings from cargo-clippy

src/error.rs

@@ -12,7 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-use hyper;
 use std::fmt;
 use std::path::PathBuf;
 use std::sync::Arc;

src/main.rs

@@ -224,7 +224,7 @@ fn check_url(url: &Url) -> Result<(), LinkError> {
 }
 
 fn check_path(
-    root: &PathBuf,
+    root: &Path,
     target: &str,
     file: &Path,
     allow_absolute_paths: bool,