these 11 derivations will be built:
  /nix/store/biznhb2brwasgj0yaiq64x7zq31qiv60-unit-echo.service.drv
  /nix/store/gpqkcxz3vxy2lvv2l6bgsr97bj9zf1hw-system-units.drv
  /nix/store/1ixzfh4snmrcqvk16wqnlcc41kp4p49r-etc.drv
  /nix/store/drxa8ycfvvx2nyiqs50qj4g2zwcpqsfm-activate.drv
  /nix/store/b94rnii743717s6q29wn9fq9yfdp7nrx-nixos-system-machine-test.drv
  /nix/store/lx1knlzscx1csjxqv9f4yp1hl32qxva5-closure-info.drv
  /nix/store/1aqzybc4qszfxrsjsvk185ak1d3m2k2d-run-nixos-vm.drv
  /nix/store/7h57knvjbb1saaicg9swbqj7hs5hbv4p-nixos-vm.drv
  /nix/store/ag7kxma3r0prrv41lryilisp5f4172h5-driverConfiguration.json.drv
  /nix/store/01d4lijah4izn9wlqyfbvb7ha76y4b13-nixos-test-driver-systemd-escaping.drv
  /nix/store/wz3xs7gggfncr6jnqjlfxxnwa69yip2z-vm-test-run-systemd-escaping.drv