this one is different depending on the rust version

flake.nix

@@ -137,6 +137,9 @@
                   clippy
                   cargo-expand
                   cargo-tarpaulin
+                  cargo-semver-checks
+                  cargo-show-asm
+                  cargo-flamegraph
                 ];
               })
             ];

src/containers/value_grid.rs

@@ -417,7 +417,7 @@ pub struct EnumerateGrid<'t, T: Value> {
     column: usize,
 }
 
-impl<'t, T: Value> Iterator for EnumerateGrid<'t, T> {
+impl<T: Value> Iterator for EnumerateGrid<'_, T> {
     type Item = (usize, usize, T);
 
     fn next(&mut self) -> Option<Self::Item> {