these 2 derivations will be built:
  /nix/store/qp6nv1nqfizrjfjw1hnb2i2x8cxilrr6-jscpd-5.4.3.drv
  /nix/store/z20qq94h9ca0lcjma9n6srxmfcr0bqyd-check-jscpd.drv