these 3 derivations will be built:
  /nix/store/8wqdywbrkxjygmwykyp3yxp92nnh1q02-clan-cli-source.drv
  /nix/store/4cw75ahxbgi2b17l4x0ssf7rzy308q67-clan-cli.drv
  /nix/store/1vwjqpqxkdjl912qkpd0r1lscf91ywik-nix-shell.drv