these 20 derivations will be built:
  /nix/store/dvivr66izpmx72r6gfgpn07afy6wqxsd-tribuchet-attach.drv
  /nix/store/i81kfgp91jiza1hi7rgm914kgdimx481-nix.conf.drv
  /nix/store/kdzvr2ahwggcnx6m397n91jjkamdf703-X-Restart-Triggers-nix-daemon.drv
  /nix/store/ayr2r4kw4szlvc4q7s5anl4kn8vdj27k-unit-nix-daemon.service.drv
  /nix/store/gpp4302cd5ly2j50gb3xn0a8lkmmmi90-system-units.drv
  /nix/store/6m752756dls15f0s7cknqif4kky1hmpw-etc.drv
  /nix/store/q5nxaq4pwwidsjxdfl8pygnhzg0ns4yj-activate.drv
  /nix/store/v1d0vb0n4fw0f93wah1xgm5v5xdm905x-nixos-system-hub-test.drv
  /nix/store/3zs2bdg0sax2mf7vac11ja74yr9bs4ps-closure-info.drv
  /nix/store/9lyw7lgsq63200xwmjqw5n9wpkvpygbf-run-nixos-vm.drv
  /nix/store/2hjgipbk25wp1mkbmwg6rdinrsy0hnfi-nixos-vm.drv
  /nix/store/y72iwgzrwncbgn6m1wjg0lpbz6w8gk20-activate.drv
  /nix/store/4501c80vqisp0b78a9yl29wpny22igy5-nixos-system-worker-test.drv
  /nix/store/2w5vyr6zy6q9p78kxk985ra3ia2jm5ib-closure-info.drv
  /nix/store/kr4dcxvbb11k0kmkwalb1fjsrm99fhq6-closure-info.drv
  /nix/store/vrfcppxiv72qq7mqj4238q7q3475gzh5-run-nixos-vm.drv
  /nix/store/kiwvpmc2gqbz8pfm2ay0c2vqfvsa70wq-nixos-vm.drv
  /nix/store/nwv0b39frxscpv3jahks7yqpx8ch2csw-driverConfiguration.json.drv
  /nix/store/pasyv71536brw46gwdlxjwh9cgw7h9b3-nixos-test-driver-tribuchet-tailscale.drv
  /nix/store/bcad3pbm6153p602bn4idpjpz7l3w5b0-vm-test-run-tribuchet-tailscale.drv