these 6 derivations will be built:
  /nix/store/mfvfmsiapv8158yc0bxw6mdr4sj0vbqf-nixos-system-server-test.drv
  /nix/store/6ddx41bigqy0wi0l7hzg1gx4jy4jx3ml-closure-info.drv
  /nix/store/mc6xwm96cq8jbg8yvs3avqjf0zfiqf4h-run-nixos-vm.drv
  /nix/store/9bxpqdwqawa7xi2r70g5blwmqbh3y7mv-nixos-vm.drv
  /nix/store/gcnhjkz07xiajcnff5590jrgbac4zc55-nixos-test-driver-timescaledb.drv
  /nix/store/80z7x56a7m9dbgrbnhj0zkv6vfnq1a43-vm-test-run-timescaledb.drv