these 2 derivations will be built:
  /nix/store/vkmpq0rwdsvz6fwyg2pkmy3n3v93j961-clan-cli.drv
  /nix/store/kfx7w2qasbybrynf7vqgb67ibf4fpv1l-check-devshell-not-depends-on-clan-cli.drv