diff --git a/backend/rustic/dune b/backend/rustic/dune
index af01d38d7..1c67cb37e 100644
--- a/backend/rustic/dune
+++ b/backend/rustic/dune
@@ -5,5 +5,4 @@
  (public_name rustic)
  (package rustic)
  (flags (:standard -w -27))
- (libraries cmdliner str unix
-  cerb_frontend cerb_backend mem_concrete util))
+ (libraries cmdliner camlp-streams str unix mem_concrete cerberus-lib.backend_common))
diff --git a/backend/rustic/src/rustic_parser.ml b/backend/rustic/src/rustic_parser.ml
index 13d3df437..3113d7bca 100644
--- a/backend/rustic/src/rustic_parser.ml
+++ b/backend/rustic/src/rustic_parser.ml
@@ -23,7 +23,7 @@ let scoping =
   (var >>= fun s -> return (RCS_scoped s))
 
 let make_sym s =
-  Symbol.Symbol (Cerb_fresh.digest (), 0, Some s) (* TODO: is this the right thing? *)
+  Symbol.Symbol (Cerb_fresh.digest (), 0, Symbol.SD_Id s) (* TODO: is this the right thing? *)
 
 let rec ty s =
   (spaces >>
diff --git a/backend/rustic/src/rustic_types.ml b/backend/rustic/src/rustic_types.ml
index 9e3a54095..ea73d2345 100644
--- a/backend/rustic/src/rustic_types.ml
+++ b/backend/rustic/src/rustic_types.ml
@@ -85,7 +85,7 @@ type rc_change =
 
 (* TODO: this is super brittle, but I don't know how else to do it *)
 let string_of_sym (Symbol.Symbol (_, _, id_opt)) =
-  match id_opt with Some id -> id | None -> assert false (* FIXME? *)
+  match id_opt with Symbol.SD_Id id -> id | _ -> assert false (* FIXME? *)
 
 let string_of_scoping = function
 | RCS_scoped s -> s
diff --git a/backend/rustic/src/typechecker.ml b/backend/rustic/src/typechecker.ml
index b84908422..080b9ab3c 100644
--- a/backend/rustic/src/typechecker.ml
+++ b/backend/rustic/src/typechecker.ml
@@ -35,7 +35,7 @@ let plop2 = function
 | _ :: _ as l -> "(" ^ String.concat ", " l ^ ")"
 
 let string_of_attr attr =
-  let attr_args = List.map snd attr.Annot.attr_args in
+  let attr_args = List.map (fun (_, z, _) -> z) attr.Annot.attr_args in
   string_of_identifier attr.Annot.attr_id ^ plop2 attr_args
 
 let string_of_attrs attrs =
@@ -54,9 +54,14 @@ let string_of_annots annots =
       | Astd x -> None
       | Aloc loc -> None
       | Auid _ -> None
+      | Amarker _ -> None
+      | Amarker_object_types _ -> None
       | Abmc _ -> None
       | Aattrs (Attrs attrs) -> Some attrs
-      | Atypedef _ -> failwith "?")
+      | Atypedef _ -> failwith "?"
+      | Anot_explode -> None
+      | Alabel _ -> None
+      | Acerb _ -> None)
       annots in
   let annots = List.concat annots in
   String.concat " " (List.map string_of_attr annots)
@@ -69,6 +74,7 @@ and string_of_ctype_ = function
 | Basic x -> "int" (* TODO: lies *)
 | Array (cty, sz) -> "array(" ^ string_of_ctype cty ^ ")"
 | Function _ -> "function"
+| FunctionNoParams _ -> "function_no_params"
 | Pointer (qls, cty) -> string_of_ctype cty ^ "*"
 | Atomic cty -> "atomic(" ^ string_of_ctype cty ^ ")"
 | Struct name -> string_of_sym name