Как сохранять сообщения после компиляции?

 * Quick start user guide on Gentoo:
 *
 * [as root] enable nix-daemon service:
 * [systemd] # systemctl enable nix-daemon && systemctl start nix-daemon
 * [openrc]  # rc-update add nix-daemon && /etc/init.d/nix-daemon start
 * [as a user] relogin to get environment and profile update
 * [as a user] fetch nixpkgs update:
 * $ nix-channel --add https://nixos.org/channels/nixpkgs-unstable
 * $ nix-channel --update
 * [as a user] install nix packages:
 * $ nix-env -i mc
 * [as a user] configure environment:
 * Somewhere in .bash_profile you might want to set
 * LOCALE_ARCHIVE=$HOME/.nix-profile/lib/locale/locale-archive
 * but please read https://github.com/NixOS/nixpkgs/issues/21820
 *
 * Next steps:
 * nix package manager user manual: http://nixos.org/nix/manual/
 *
 * (Note: Above message is only printed the first time package is
 * installed. Please look at /usr/share/doc/nix-2.11.1/README.gentoo*
 * for future reference)
>>> Auto-cleaning packages...