GitLab CI
You can add Clippy to GitLab CI by using the latest stable rust docker image,
as it is shown in the .gitlab-ci.yml CI configuration file below,
# Make sure CI fails on all warnings, including Clippy lints
variables:
  RUSTFLAGS: "-Dwarnings"
clippy_check:
  image: rust:latest
  script:
    - rustup component add clippy
    - cargo clippy --all-targets --all-features