these 3 derivations will be built:
  /nix/store/h63q732wsr7f05911215iz96vp0yh5y9-orca-ide_1.4.217_amd64.deb.drv
  /nix/store/gpg5mw6lixicyj41ipi5ad74717iyr2n-orca-1.4.217.drv
  /nix/store/nwzbs5b3529fc83pdcdnz37d6fcg54kw-check-orca.drv