these 3 derivations will be built:
  /nix/store/gvgl78zvjy194sq2lmc6wpcn4k5fkwpl-clan-cli-source.drv
  /nix/store/d42hh4k13jssa348lbafjzwgm42lsygx-clan-cli.drv
  /nix/store/5k3vc8y3mfx8syq6xpblx6yzcmyf4rxa-check-devshell-not-depends-on-clan-cli.drv