these 13 derivations will be built:
  /nix/store/y9721sp5zc8kd9yfscmj355skkxjcgzx-system-units.drv
  /nix/store/pvhd2c5gyll2vfg4f1jcrr1fgm2sjjid-etc.drv
  /nix/store/x9409yzzz1ks44d7991h9lc7cj2dsb1v-activate.drv
  /nix/store/rzcir35jjdbpssv7rvdvajd7prnpicw0-system-units.drv
  /nix/store/231sj7y923n59qi7d3y45nk0mj089n54-etc.drv
  /nix/store/5nn18l0jb04dkq3fbg1nln0wdirppvrh-activate.drv
  /nix/store/zihywkxd73yzjls9bhha0qqhdc8gankx-nixos-system-server-test.drv
  /nix/store/vs5vdb56vkya2wl08pcmw6z4dwrxvc4h-nixos-system-server-test.drv
  /nix/store/03smyx5vifxg0a6dd2aj5r9zc3r54hg6-closure-info.drv
  /nix/store/x789hkzm1zpidfia9ddv93fq7b8cz52h-run-nixos-vm.drv
  /nix/store/wpslg782xbicf55sl5w8aghmzai1miz5-nixos-vm.drv
  /nix/store/98v1wq5lg3bgm44arzri4vz1m6dsrq5s-nixos-test-driver-pgroonga.drv
  /nix/store/y5071fw6msd4zn6i8b6jhrrnywxzijhx-vm-test-run-pgroonga.drv