Fix two clippy lints

Author: cschwan

pineappl/src/convolutions.rs

@@ -133,7 +133,15 @@ impl<'a> ConvolutionCache<'a> {
                         }
                     })
                     // TODO: convert `unwrap` to `Err`
-                    .unwrap()
+                    .unwrap_or_else(|| {
+                        panic!(
+                        "couldn't match {grid_conv:?} with a convolution function from cache {:?}",
+                        self.caches
+                            .iter()
+                            .map(|cache| cache.conv.clone())
+                            .collect::<Vec<_>>()
+                    )
+                    })
             })
             .collect();
 

pineappl/src/grid.rs

@@ -1637,8 +1637,7 @@ mod tests {
         ];
         let mut ar = PackedArray::new(vec![1, 10, 10]);
         ar[[0, 0, 0]] = 0.;
-        let sg: SubgridEnum =
-            ImportSubgridV1::new(ar, vec![vec![0.0], x.clone(), x.clone()]).into();
+        let sg: SubgridEnum = ImportSubgridV1::new(ar, vec![vec![0.0], x.clone(), x]).into();
         grid.subgrids_mut()[[0, 0, 0]] = sg;
         let was_repaired = grid.repair();
         assert!(was_repaired);