these 16 derivations will be built:
  /nix/store/7dc6nygyvp31sicgkmjhaic7r74a65m1-nginx.conf.drv
  /nix/store/5djprxg2mjz8wl2fz1fih4c45w7k49wb-unit-niks3.service.drv
  /nix/store/lj5q35iakfjs3g2wwk4nb8kidyfnbd0z-unit-niks3-proxy.socket.drv
  /nix/store/4gghkr7vqh23vczd5m4r8df1p81vjskq-unit-script-nginx-pre-start.drv
  /nix/store/m07jpbdwb7pq67qijvd4kmxzydapilwr-unit-nginx.service.drv
  /nix/store/pxlrh64ixmnr42ybj7sb6qgl6ppydz67-system-units.drv
  /nix/store/6yqr4xfhdsmqh2janwmxgpdm9j125k5r-etc.drv
  /nix/store/0qw29alqcb05j3pxs4i59br3zkcar6z2-activate.drv
  /nix/store/w3cv50mg15shnzahgyidbzmpdm65qk3f-nixos-system-server-test.drv
  /nix/store/y27xbvisggh44dirq15b5ssw9jchxjyz-closure-info.drv
  /nix/store/zvg1a5pz1kddbpjgbyd286clkrsqfsza-run-nixos-vm.drv
  /nix/store/83m6gik6lhyizavmw225vg8iryvzg6sq-nixos-vm.drv
  /nix/store/hmpa8a5vdkjifkb9bm5czmfcqg5ps8sy-test-script.drv
  /nix/store/iq2g41bcvw9aig7v7nmdl8l5ddmjvjzg-driverConfiguration.json.drv
  /nix/store/gjnrbbj8rj4agyrkcna4g5x2lp5xd784-nixos-test-driver-nixos-test-niks3.drv
  /nix/store/x3a8fif3lw610l0xri2yyw55g0nv386r-vm-test-run-nixos-test-niks3.drv
Failed to find a machine for remote build!
derivation: x3a8fif3lw610l0xri2yyw55g0nv386r-vm-test-run-nixos-test-niks3.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], [])