diff --git a/lib/crane/enhance.nix b/lib/crane/enhance.nix
index c5d9a43..f3cdb3a 100644
--- a/lib/crane/enhance.nix
+++ b/lib/crane/enhance.nix
@@ -90,7 +90,15 @@ craneLib.overrideScope (
 
     buildTrunkPackage = args: prev.buildTrunkPackage (mergeArgs self.args args);
 
-    cargoAudit = args: prev.cargoAudit (mergeArgs self.args args);
+    cargoNextest =
+      args:
+      prev.cargoNextest (
+        mergeArgs {
+          env = {
+            NEXTEST_SHOW_PROGRESS = "none";
+          };
+        } args
+      );
 
     # causes issues
     vendorCargoDeps = args: prev.vendorCargoDeps (mergeArgs self.args args);
diff --git a/lib/default.nix b/lib/default.nix
index 07998a6..eae5db4 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -175,10 +175,10 @@ lib.makeScope pkgs.newScope (
       l
       // r
       // {
-        buildInputs = l.buildInputs or [ ] ++ r.buildInputs or [ ];
-        nativeBuildInputs = l.nativeBuildInputs or [ ] ++ r.nativeBuildInputs or [ ];
-        packages = l.packages or [ ] ++ r.packages or [ ];
-        env = l.env or { } // r.env or { };
+        buildInputs = (l.buildInputs or [ ]) ++ (r.buildInputs or [ ]);
+        nativeBuildInputs = (l.nativeBuildInputs or [ ]) ++ (r.nativeBuildInputs or [ ]);
+        packages = (l.packages or [ ]) ++ (r.packages or [ ]);
+        env = (l.env or { }) // (r.env or { });
       };
   }
 )