this derivation will be built:
  /nix/store/fjw9ppim0zb197y3v439hzg79h6igmng-vm-test-run-http.drv
this path will be fetched (4.0 KiB download, 16.6 KiB unpacked):
  /nix/store/mmih1707dyx5xdzwkv11mym6jm5smz6h-nixos-test-driver-http