added rust components explicitly with fenix

homes/aurora/default.nix

@@ -127,7 +127,14 @@
     glibc
     pkg-config
     gobject-introspection
-    rustup # rust
+    (with fenix;
+      combine [
+        # rust
+        stable.cargo
+        stable.rustc
+        latest.rustfmt
+        stable.rust-src
+      ])
     zig
     elixir
     gleam

nixpkgs.nix

@@ -20,6 +20,7 @@
       overlays = with inputs; [
         cachyos.overlays.pinned
         millennium.overlays.default
+        fenix.overlays.default
 
         (import ./overlays.nix args)
       ];