building Nix...
building the system configuration...
trace: warning: The option `services.xserver.displayManager.defaultSession' defined in `/etc/nixos/configuration.nix' has been renamed to `services.displayManager.defaultSession'.
activating the configuration...
setting up /etc...
reloading user units for lightdm...
reloading user units for deadvey...
restarting sysinit-reactivation.target
restarting the following units: home-manager-deadvey.service