Install gcc along with rust
diff --git a/modules/rust.nix b/modules/rust.nix
index c9c55f6..8b293fb 100644
--- a/modules/rust.nix
+++ b/modules/rust.nix
@@ -5,6 +5,7 @@
     rustc
     rustfmt
     bacon
+    gcc
   ];
   config.environment.persistence."/nix/persist".users.${username}.directories = [".cargo"];
 }