these 28 derivations will be built:
  /nix/store/1vmx6v07c86wv4jb8m14n3znwgcy1vri-tribuchet-agent.drv
  /nix/store/8009dingj1j4s7xk115x6vmavk7h8idd-unit-tribuchet-agent-.service.drv
  /nix/store/xaqlgz9s8cmp82ccdaj2slrfinkn15js-unit-tribuchet-worker.service.drv
  /nix/store/8bvaqxsa3w6a67k6qcrxxabr5sbs0xbc-system-units.drv
  /nix/store/vmvh0f8alhc815qqwad9bvpbpv2jw5di-tribuchet-agents.drv
  /nix/store/v10cyy4v759nh6iwddspwch008r74dc5-system-generators.drv
  /nix/store/nc9xkw36wbynn7ifgkz0v5gs38vrh21y-etc.drv
  /nix/store/hiyjihrx9wsz1kyd47igbw126r2n7605-activate.drv
  /nix/store/jcrswn31ix4q5scgljcbjjfk0q5lsdch-nixos-system-worker-test.drv
  /nix/store/l4hz7gfvk278d88sx16jpy5bhlkkgm0s-closure-info.drv
  /nix/store/5ri9kx2pd042dcls1yrvd12njmsi9k3d-closure-info.drv
  /nix/store/30ab8iipf80jvqirh8iwyzglj9i3m59m-run-nixos-vm.drv
  /nix/store/mbcggzsxsn48y60rvwbivynrzjwci4yh-nixos-vm.drv
  /nix/store/dwmky37nhg6fx8kkb4mggapykx43fgg6-tribuchet-attach.drv
  /nix/store/ywnk1nazmv9nyfjy92msraf8ny4cgjyh-nix.conf.drv
  /nix/store/c0wly82mkklxbfy3qkwvqpcnm121cvmn-X-Restart-Triggers-nix-daemon.drv
  /nix/store/6mlwphwccxjwl7qi6dkkrn735rb277xm-unit-nix-daemon.service.drv
  /nix/store/v07bvcqbf0c774mwv3a46dd1hf8qxnm7-unit-tribuchet-hub.service.drv
  /nix/store/dpdsbm69g4i2azriasqn0myy9nywsnqn-system-units.drv
  /nix/store/idqcn6rn7gikp2453scsvq1i07cs8pv6-etc.drv
  /nix/store/sqkcbgkrv395719wb0yvrjl4jh46qaqd-activate.drv
  /nix/store/ljmg0122s2pymgr1pfifa914yi7g9rvc-nixos-system-hub-test.drv
  /nix/store/ny8dh4gckk85aasni2vnncrmhh4phrl9-closure-info.drv
  /nix/store/mv9m9bf1v7d5plazjszn96v2hcv55nsm-run-nixos-vm.drv
  /nix/store/rwwygxr5jyyii5d8alyvi4r5mzm8gkly-nixos-vm.drv
  /nix/store/69v9i6ilyfw7fyaszmf78dm6166qw7yp-driverConfiguration.json.drv
  /nix/store/p52p1w950k9b1hhm5jr1f6hvkjjfnm8s-nixos-test-driver-tribuchet-tailscale.drv
  /nix/store/xrsjrbsr0mn9ay7kbvy7l0f9baj2ra60-vm-test-run-tribuchet-tailscale.drv