these 3 derivations will be built:
  /nix/store/ysk4gh730rvf617zl76yfnd8xzyz2ny3-jscpd-5.4.1-vendor.drv
  /nix/store/cx7h8vzlv9yyw20q62mrnh416p2c8ghq-jscpd-5.4.1.drv
  /nix/store/a5jg2jx3vq4zpwqmjg2h4bl7kqd539br-check-jscpd.drv