Merge branch 'clippy_ci' into 'master'

Add linting checks to CI

See merge request famedly/conduit!76

.gitlab-ci.yml

@@ -6,8 +6,11 @@ variables:
 before_script:
   - apt-get update -yqq
   - apt-get install -yqq --no-install-recommends build-essential libssl-dev pkg-config
+  - rustup component add clippy rustfmt
 
 test:cargo:
   script:
     - rustc --version && cargo --version  # Print version info for debugging
     - cargo test --workspace --verbose --locked
+    - cargo fmt --all -- --check
+    - cargo clippy