these 3 derivations will be built:
  /nix/store/klwdv49qacig57w6jhgjja9k435ilqcc-orca-ide_1.4.209_amd64.deb.drv
  /nix/store/8jlcvldwmxf3qpl0k78dnw8k41wwnpgm-orca-1.4.209.drv
  /nix/store/ava2xspl1b377yywz83zn5rn12a0ni4m-check-orca.drv