Update compiler (#725)

* update compiler to recent nightly

* cargo fmt

* fix clippy

but ructe code is still complaining

* update circleci and rocket_csrf

* fix last clippy problems

* cargo fmt

* fix build issue

was caused be improper handling of recursive template (comment) by old ructe, which is fixed on newer version

.circleci/config.yml

@@ -10,7 +10,7 @@ executors:
         type: boolean
         default: false
     docker:
-    - image: plumeorg/plume-buildenv:v0.0.8
+    - image: plumeorg/plume-buildenv:v0.0.9
     - image: <<#parameters.postgres>>circleci/postgres:9.6-alpine<</parameters.postgres>><<^parameters.postgres>>alpine:latest<</parameters.postgres>>
       environment:
         POSTGRES_USER: postgres