these 2 derivations will be built:
  /nix/store/ba45wphzkvbf2y6ddkwpj7c785wfds7i-jscpd-5.4.3.drv
  /nix/store/dqnfk1lw66il4nqyj54lkrn153z30k9y-check-jscpd.drv