Add lint step to circleci

Author: martskins

.circleci/config.yml

@@ -5,6 +5,20 @@ general:
       - /binary-.*/
 
 jobs:
+  lint:
+    docker:
+      - image: circleci/rust:latest
+    steps:
+      - checkout
+      - run: |
+          rustup component add clippy
+          cargo clippy --all -- --deny warnings
+  format:
+    docker:
+      - image: circleci/rust:latest
+    steps:
+      - checkout
+      - run: cargo fmt -- --check
   build:
     docker:
       - image: autozimu/languageclientneovim