these 18 derivations will be built:
  /nix/store/07z1699mvvngbykilfi235n945qnv986-unit-nixbot.service.drv
  /nix/store/m6ay2vzs9rl90jgac2pdizq3va6pvqii-system-units.drv
  /nix/store/ja5r20dhc1g3y507yigwv5x1gy209l1c-etc.drv
  /nix/store/aam6bw35qpq76ra296prwsajrvwzvxgc-activate.drv
  /nix/store/kqqc02lixw0wvb9j7v16svzc6brd0k5i-nixos-system-github-test.drv
  /nix/store/zskykypb0qh9mwjl60hcl6k4n217z49q-closure-info.drv
  /nix/store/bfav7lynda5v1v464q5snmr2lk19v3hs-run-nixos-vm.drv
  /nix/store/kdaz3hqv2srw8f0frd70dc3qhgsw39vd-nixos-vm.drv
  /nix/store/27xa8p6mkpx60frl7vfz2papvv25fsa0-system-units.drv
  /nix/store/b2a29gj3z51q0fx6gnsmj1vb5amid4bj-etc.drv
  /nix/store/79qs2mn2b8qcd7w06xypmpqg2rj4b3c2-activate.drv
  /nix/store/i7qzkh9p233gfpbaxj79sz0ma3f1snk7-nixos-system-gitea-test.drv
  /nix/store/mb2a4cnrvh5fh0vnijv9vrqpidr6760a-closure-info.drv
  /nix/store/ak0qw30c904lw05zrjgwiqi9kll0nx12-run-nixos-vm.drv
  /nix/store/nj2zr0aygs2nfg33hxgjw90bi5v3690g-nixos-vm.drv
  /nix/store/hi2bl7z51fjnlqimi1n5r2bcdrpd9f7a-driverConfiguration.json.drv
  /nix/store/1ljqsd7xzh3fxxcd37zvf56vylvc80s5-nixos-test-driver-nixbot.drv
  /nix/store/z9mniipk0bhvfzsn8mvv6akl64sk84h8-vm-test-run-nixbot.drv
Failed to find a machine for remote build!
derivation: z9mniipk0bhvfzsn8mvv6akl64sk84h8-vm-test-run-nixbot.drv
required (system, features): (aarch64-linux, [kvm, nixos-test])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])