these 3 derivations will be built:
  /nix/store/vd7xqpc9lf4l2j06ci9wvr869piy07zg-chainlink-1.6.0-vendor.drv
  /nix/store/hh5xfaxhk2cpv01bd4xq9dz330f2741l-chainlink-1.6.0.drv
  /nix/store/2vyaknhyhnm4f6z98b8a0rch1284hj1i-check-chainlink.drv