this derivation will be built:
  /nix/store/a035l1spwqwv3qyip723dil478sl9hyb-vm-test-run-pg_net.drv
this path will be fetched (3.9 KiB download, 16.7 KiB unpacked):
  /nix/store/j9n1dsixb3q2w4kxpwpxdgxjwaapmi97-nixos-test-driver-pg_net