Add clippy to CI

.gitlab-ci.yml

@@ -36,6 +36,18 @@ cargo-fmt:
     - rustup component add rustfmt
     - cargo fmt -- --check
 
+cargo-clippy:
+  stage: lint
+  image: rust:latest
+  before_script:
+    - mkdir -p /run/user/$UID
+    - apt update -y -qq
+    - apt install -y -qq --no-install-recommends git clang make pkg-config nettle-dev libssl-dev capnproto ca-certificates libpcsclite-dev
+    - apt clean
+  script:
+    - rustup component add clippy
+    - cargo clippy --verbose --tests -- -D warnings
+
 cargo-test:
   stage: test
   image: rust:latest