clippy

examples/sources.rs

@@ -55,7 +55,7 @@ fn main() {
 
             source_versions
                 .entry(version.source_package())
-                .or_insert_with(|| HashSet::new())
+                .or_insert_with(HashSet::new)
                 .insert(version.source_version());
         }
     }

src/citer.rs

@@ -52,7 +52,7 @@ impl<R> CIterator<R>
 where
     R: RawIterator,
 {
-    pub fn next<'i>(&mut self) -> Option<Borrowed<R>> {
+    pub fn next(&mut self) -> Option<Borrowed<R>> {
         if self.raw.is_end() {
             return None;
         }