these 11 derivations will be built:
  /nix/store/yd6k1d6h989dxaz3abb0fxw2zjvfxc6b-unit-echo.service.drv
  /nix/store/lv8b1dkp13rl5j7jfyk0di7klzgnswf9-system-units.drv
  /nix/store/7nqnhjgn7g1f309qd8m6ia1215kb507g-etc.drv
  /nix/store/mxaaxl01rr09frxqwmm10bnxw2ia3s6k-activate.drv
  /nix/store/3f3j7yll9s6y6ziq87y09kb3c2nnwg48-nixos-system-machine-test.drv
  /nix/store/187hdksx1i0xabiz8nba4iznjqiidsq9-closure-info.drv
  /nix/store/n3dfclyd9x3znci4rz80mfhdsjlf06ln-run-nixos-vm.drv
  /nix/store/d9rqkxvidyvjwp84h5zqv7b6633672af-nixos-vm.drv
  /nix/store/6gczl9raszms5666xd32blr0l49b96nq-driverConfiguration.json.drv
  /nix/store/d4cdvscjzhak8wf7is1qdnyqb0bxf8d7-nixos-test-driver-systemd-escaping.drv
  /nix/store/vvkp1yi0bikvdc0ys1xmijy558l8h0cs-vm-test-run-systemd-escaping.drv