these 2 derivations will be built:
  /nix/store/c3hbjb6jicckgvw7qx2wwc1d9ds9abgi-opencodereview-linux-amd64.drv
  /nix/store/vgfyc16pgk2sf1sdxh814mxfpzqb03rx-open-code-review-1.10.1.drv