these 28 derivations will be built:
  /nix/store/rkb1b6qf9k6s7kyh8qd06gf5w89w9jw9-tribuchet-agent.drv
  /nix/store/1n7ns22vckknwfa0v7fg12vzcibcfw6c-unit-tribuchet-agent-.service.drv
  /nix/store/i7wfpy24iz48kripxlbyark9kgqanpm9-unit-tribuchet-worker.service.drv
  /nix/store/7i04wcwy3hb9s68si0m9qy4y5hzkxc1h-system-units.drv
  /nix/store/rmfihxhxy9ypda94y0v7hy11n9nq4ark-tribuchet-agents.drv
  /nix/store/9wvmr5nmis4naqqdpn0nf26lsiplc4fh-system-generators.drv
  /nix/store/l0rny85wyjl8bjwlq2kcsa57dmvw6zvv-etc.drv
  /nix/store/sgqv7c9sgy18ypab25vgdvvpj316vcm2-activate.drv
  /nix/store/074i0x95wh42rbjjjmmlnwyp2cn5gpg7-nixos-system-worker-test.drv
  /nix/store/a00h0csqb960hrkq06rmvnaj9q18lfvc-tribuchet-attach.drv
  /nix/store/icag4f9gczm1ggh9ixfp4v5rsk68z0a0-nix.conf.drv
  /nix/store/vwpyi3ac60jv7k7y1zdg1nm0wy4vcns0-X-Restart-Triggers-nix-daemon.drv
  /nix/store/4mp5fp8y237l1a62rdz37j35v6f1kk4p-unit-nix-daemon.service.drv
  /nix/store/9pskfxzkf05hqln8f4iqkh14hmyccsbj-unit-tribuchet-hub.service.drv
  /nix/store/2q7gknjyzrk41qmqzknlh81fbdz2a8ym-system-units.drv
  /nix/store/lp4nbhny8mh5iz6zw3sq18619321mda3-etc.drv
  /nix/store/xr8mrsgdvbxn0vbjwj7ybs2hpi0yv4ry-activate.drv
  /nix/store/7ibnv4xj1x367q2zx5ch472j9jqnkrcd-nixos-system-hub-test.drv
  /nix/store/rp4d2nhss5bcwn3y6m07pqxf3js27h9n-closure-info.drv
  /nix/store/4qpn2r53hxbwmm0ksxyryz1c8qp63vln-run-nixos-vm.drv
  /nix/store/hrdsk5qjpdixpb91l5r16f8fvsx41p2g-closure-info.drv
  /nix/store/a08h5i5cfzzn8ybw1vk9yh9cgl9mhjxf-closure-info.drv
  /nix/store/5fnz9lg8p05h414k9yxkigp569h9wzqq-run-nixos-vm.drv
  /nix/store/hyxvqlrsgzs493pqba5p5csrgk2l14wb-nixos-vm.drv
  /nix/store/z5fk4b2wprrf4hhxglvj793k4rzal26s-nixos-vm.drv
  /nix/store/hbly4y33d537m9ph5kl528iflfs54qrz-driverConfiguration.json.drv
  /nix/store/xcv8m02yhm5pjgf5ilyd63mja62qc2hh-nixos-test-driver-tribuchet-tailscale.drv
  /nix/store/7l9sv6i4gik83dxc7rkac0isjvsy5hpq-vm-test-run-tribuchet-tailscale.drv