these 3 derivations will be built:
  /nix/store/vwmal3nbmi7yhyaq9gs0hz4ch23siy71-ghq-sync.drv
  /nix/store/vbr81fpdqi2dy6lx9qm10y4xrwn4askp-ghq-shared-0.1.0.drv
  /nix/store/s8wdlz9ij08ls6vkgav323bvv1yrya1a-nix-shell.drv