these 11 derivations will be built:
  /nix/store/ig5l781id75af2w94dc5b0yj43arjz4d-unit-echo.service.drv
  /nix/store/xprf7hcw2bgk6zqrqh9ss5k2njc4cqxk-system-units.drv
  /nix/store/hcyngpimi2qx4s7c6z990swqgwb9av6j-etc.drv
  /nix/store/4xr7f23icgn7hhfy3fbq4mhzpjasqpx8-activate.drv
  /nix/store/2iq6f4pix0p3w8947xm64rr3r0z027x4-nixos-system-machine-test.drv
  /nix/store/cm0208pxdkhcplxaws67jmql4iqc122m-closure-info.drv
  /nix/store/k61k0nrwsvgi7020rbsm23nqzy56lk6r-run-nixos-vm.drv
  /nix/store/mm1f6x328cpqbwmyd3ky7yl8lh1jfk8w-nixos-vm.drv
  /nix/store/8v0kdblv6kdn9s63bwsay4qi9fvf6yys-driverConfiguration.json.drv
  /nix/store/k0v1pqbmws1sn3l4nc074ljmf28nblzs-nixos-test-driver-systemd-escaping.drv
  /nix/store/l5p4anvn5zbaw8wvh683dz9v4mya6ayd-vm-test-run-systemd-escaping.drv