Fix clippy warnings

src/types/from_sql.rs

@@ -36,7 +36,7 @@ impl PartialEq for FromSqlError {
             (FromSqlError::InvalidI128Size(s1), FromSqlError::InvalidI128Size(s2)) => s1 == s2,
             #[cfg(feature = "uuid")]
             (FromSqlError::InvalidUuidSize(s1), FromSqlError::InvalidUuidSize(s2)) => s1 == s2,
-            (_, _) => false,
+            (..) => false,
         }
     }
 }

src/types/mod.rs

@@ -225,7 +225,7 @@ mod test {
     fn test_mismatched_types() {
         fn is_invalid_column_type(err: Error) -> bool {
             match err {
-                Error::InvalidColumnType(_, _, _) => true,
+                Error::InvalidColumnType(..) => true,
                 _ => false,
             }
         }