these 2 derivations will be built:
  /nix/store/0ms3vdv06k017ygib4xbz6h4rkx07zb0-vanixiets-docs-deps-0.0.0.drv
  /nix/store/7rymy9hd22b5vizlyz6jlg46733qw3zj-vanixiets-docs-0.0.0-development.drv