these 11 derivations will be built:
  /nix/store/xhi2b9h8ahw3gm770rw3l7vk60c7425v-unit-niks3.service.drv
  /nix/store/bj5gjpwkl7c63ngqxj8dzkaxhjfv5j4y-system-units.drv
  /nix/store/lh1klkjql93pj6pqm788mnb275a99jk0-etc.drv
  /nix/store/2q8857dfq6dx8kj9z3rgv84yadd7hilb-activate.drv
  /nix/store/g6m5khjmphr0ixzynk7xfrgc6d5czpdl-nixos-system-server-test.drv
  /nix/store/bmb8sdpkpvlhg0n7ps2yvjbls5bfscpw-closure-info.drv
  /nix/store/b7vs25dkgwxkgjwjb3jalk72zmxr0b3n-run-nixos-vm.drv
  /nix/store/nrd6g8ykjvmngjbz3s4lbjwh95sngr0p-nixos-vm.drv
  /nix/store/a8kxmd0i98zaa436hjyyjdla8iwvg6gx-driverConfiguration.json.drv
  /nix/store/k5dyzb8wv0p28f5zxpw6rzvs31a9pg8y-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/22n7jjghsa15s38jgh1j8klhr6j7vpvv-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: 22n7jjghsa15s38jgh1j8klhr6j7vpvv-vm-test-run-nixos-test-read-proxy.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], [])