these 4 derivations will be built:
  /nix/store/fc2ifrpm48vg9bm3q0v7rpsbn7d64vz9-clan-runtime.drv
  /nix/store/8w7c71d171gsdgfk7hw2mmqfr45alqyw-clan-cli-source.drv
  /nix/store/pa5kfi2k4bl7ynr9flmywyg3kd11p9yv-clan-cli.drv
  /nix/store/ws9h9z5vqnr1zcyv3303cndxs9h76wwl-nix-shell.drv