these 28 derivations will be built:
  /nix/store/l6x6rpmkm34wcq8g279xkbal379h3c8q-tribuchet-attach.drv
  /nix/store/f62qvawsz54z55gamjz8jwxdm9nm22b6-nix.conf.drv
  /nix/store/60758if3hjli3lkpswbfcx3b1vwiyrcg-X-Restart-Triggers-nix-daemon.drv
  /nix/store/hf2hxbw3fzsd0zx39bma8dchi1csmp0h-unit-nix-daemon.service.drv
  /nix/store/yyxp9j7xmljj1kfsxz51b64fl7bjm0vv-unit-tribuchet-hub.service.drv
  /nix/store/xzwg4zy0pk2x9w9kdh1v7wkmn5vf2jk0-system-units.drv
  /nix/store/m1cssvda3c3mn6gzsfbc6066ikxaf1sr-etc.drv
  /nix/store/ln9ym7gx0nd7504lsa7gkmd1n7ajshf5-activate.drv
  /nix/store/9c0q6155zkcpyz3g7dg5w26xbpzi66bg-nixos-system-hub-test.drv
  /nix/store/0n99ncp025fm4a5bjqvjy58sbdlx60i0-closure-info.drv
  /nix/store/xavgjvr7j1vbi2wh1mb3kx70ndf2kv93-run-nixos-vm.drv
  /nix/store/dgaqis2cx7nxxyraw1awv50zig0mbwxh-nixos-vm.drv
  /nix/store/ksdw69pwi17nv3ql248sb6b7wdnnh3p8-tribuchet-agents.drv
  /nix/store/fh0j3mhapipmqr6fb8n302waky3iam73-system-generators.drv
  /nix/store/39fdmg99j0nkb6cdjy473hlkhpc78nf1-tribuchet-agent.drv
  /nix/store/laifx51mcz46mzx6lvdd10wd3lgldw1x-unit-tribuchet-agent-.service.drv
  /nix/store/nv2dl7xhn620h5vmn0lg9h3rqaw304ch-unit-tribuchet-worker.service.drv
  /nix/store/kxb5yrc8gbyrhgwx68qdcr4bm8jf9a6b-system-units.drv
  /nix/store/a39lcdggwa6fl9xy6wawxz2csm4ac8j7-etc.drv
  /nix/store/9gla5l7bf7x5cq22npx5y93fp5fajgzb-activate.drv
  /nix/store/pg9zhfd0q00w2b03bc5myax2kza9rwyg-nixos-system-worker-test.drv
  /nix/store/ppnnkv9xqqkwrnv6lasxh8dkw9wddmxp-closure-info.drv
  /nix/store/xd84814pa8kmb2zlcpgqxlfznsqxh5yz-closure-info.drv
  /nix/store/la3i5aq5s0kw4c6v3rlbw3v782zz8y15-run-nixos-vm.drv
  /nix/store/w46hbf21rrbxc3s4s29lvyndlm7v4la6-nixos-vm.drv
  /nix/store/4jw4g5qbsz4i6k832209p1ki8q7r1cj1-driverConfiguration.json.drv
  /nix/store/22y04rmfpg2mysybzkb5zmblm2acnm1m-nixos-test-driver-tribuchet-tailscale.drv
  /nix/store/a6w1jz2zm366a1kkndhwvhpclhhxdam1-vm-test-run-tribuchet-tailscale.drv