Add setup to lint steps

.gitlab-ci.yml

@@ -6,6 +6,8 @@ fmt:
   image: rust:latest
   tags:
     - docker, specific
+  before_script:
+    - rustup component add rustfmt
   script:
     - cargo fmt --check
 
@@ -14,6 +16,8 @@ clippy:
   image: rust:latest
   tags:
     - docker, specific
+  before_script:
+    - rustup component add clippy
   script:
     - cargo clippy -- -D warnings