Broke the problem area down into parts to make it easier to debug.

src/renderer/renderer.rs

@@ -220,7 +220,14 @@ impl<'a> DustRenderer<'a> {
         };
         let mut new_nodes: Vec<BreadcrumbTreeElement> = Vec::new();
 
-        explicit_context.as_ref().map(|path| {
+        let p = explicit_context.as_ref().unwrap();
+        let x = walk_path(maybe_breadcrumbs, &p.keys);
+        let ice = x.unwrap();
+        let ce = ice.into_context_element(self, maybe_breadcrumbs);
+        let val = ce.unwrap();
+        let to_insert = BreadcrumbTreeElement::Owned(Rc::new(val));
+        //new_nodes.push(BreadcrumbTreeElement::Owned(Rc::new(val)));
+        /*explicit_context.as_ref().map(|path| {
             walk_path(maybe_breadcrumbs, &path.keys)
                 .map(|ice| ice.into_context_element(self, maybe_breadcrumbs))
                 .ok()
@@ -230,7 +237,7 @@ impl<'a> DustRenderer<'a> {
                         new_nodes.push(BreadcrumbTreeElement::Owned(Rc::new(val)))
                     }
                 });
-        });
+        });*/
         injected_context.map(|ctx| new_nodes.push(BreadcrumbTreeElement::Borrowed(ctx)));
         new_context_element
             .map(|ctx| new_nodes.push(BreadcrumbTreeElement::Borrowed(ctx.from_context_element())));
@@ -287,7 +294,7 @@ impl<'a> DustRenderer<'a> {
                 _ => new_nodes.push(BreadcrumbTreeElement::Borrowed(ctx)),
             }
         });
-        explicit_context.as_ref().map(|path| {
+        /*explicit_context.as_ref().map(|path| {
             // TODO: should resolving the value here use
             // explicit_context_maybe_breadcrumbs or
             // maybe_breadcrumbs?
@@ -300,7 +307,7 @@ impl<'a> DustRenderer<'a> {
                         new_nodes.push(BreadcrumbTreeElement::Owned(Rc::new(val)));
                     }
                 });
-        });
+        });*/
 
         Some((parent, new_nodes))
     }