these 2 derivations will be built:
  /nix/store/ygkhsn8xr5wmkzg3hbvdahrqr4wani4i-nixos-test-driver-hypopg.drv
  /nix/store/s8bscdqavllv8x6j0j4rzr73rjcai5fp-vm-test-run-hypopg.drv