fix clippy lints

src/db/mod.rs

@@ -109,7 +109,7 @@ pub struct TransactionHandle<'a> {
     transaction: Transaction<'a>,
 }
 
-impl<'a> TransactionHandle<'a> {
+impl TransactionHandle<'_> {
     pub fn commit(self) -> Fallible<()> {
         self.transaction.commit()?;
         Ok(())
@@ -235,7 +235,7 @@ impl QueryUtils for Database {
     }
 }
 
-impl<'a> QueryUtils for TransactionHandle<'a> {
+impl QueryUtils for TransactionHandle<'_> {
     fn with_conn<T, F: FnOnce(&Connection) -> Fallible<T>>(&self, f: F) -> Fallible<T> {
         f(&self.transaction)
     }

src/report/analyzer.rs

@@ -246,7 +246,7 @@ mod tests {
             results: fix_root,
         };
 
-        let test_pass = ReportCrates::Plain(vec![crates.remove("test-pass").unwrap()]);
+        let test_pass = ReportCrates::Plain(vec![crates.swap_remove("test-pass").unwrap()]);
 
         let mut categories = IndexMap::new();
         categories.insert(Comparison::Regressed, regressed);

src/results/db.rs

@@ -148,7 +148,7 @@ impl<'a> DatabaseDB<'a> {
     }
 }
 
-impl<'a> ReadResults for DatabaseDB<'a> {
+impl ReadResults for DatabaseDB<'_> {
     fn load_log(
         &self,
         ex: &Experiment,
@@ -189,7 +189,7 @@ impl<'a> ReadResults for DatabaseDB<'a> {
     }
 }
 
-impl<'a> WriteResults for DatabaseDB<'a> {
+impl WriteResults for DatabaseDB<'_> {
     fn get_result(
         &self,
         ex: &Experiment,
@@ -251,7 +251,7 @@ impl crate::runner::RecordProgress for DatabaseDB<'_> {
     }
 }
 
-impl<'a> DeleteResults for DatabaseDB<'a> {
+impl DeleteResults for DatabaseDB<'_> {
     fn delete_all_results(&self, ex: &Experiment) -> Fallible<()> {
         self.db
             .execute("DELETE FROM results WHERE experiment = ?1;", &[&ex.name])?;