these 16 derivations will be built:
  /nix/store/34djji01qq04mzl4vmp5jhidjq2vhl94-system-path.drv
  /nix/store/7x8pxmsb6mkcfbg3gqfgv9dx8rzamlq5-dbus-1.drv
  /nix/store/zink5047qdib30gsz1lykh46m146prav-X-Restart-Triggers-dbus-broker.drv
  /nix/store/nh6ihsq6j0fmy6bh8m1l5rzm5bsbk1hq-unit-dbus-broker.service.drv
  /nix/store/s6bd61b12mg5il2lr8hjs3zhs1cvg830-system-units.drv
  /nix/store/8a9splipvlhjyq5sj8zimskhzpcik30g-unit-dbus-broker.service.drv
  /nix/store/s9lblcsirdl9a3v9alfq4xp1m7pvn6nn-user-units.drv
  /nix/store/68la8pqhrf1vpvqgkf6a9pwm3wpbkd6n-etc.drv
  /nix/store/klyp7y3xk1dmm36m894g4skjc0il0p9l-activate.drv
  /nix/store/9j4crwwyr7n3sc4bwkyff6l8lwykirnm-nixos-system-server-test.drv
  /nix/store/dvndhpphkyjpqxb5kza111ndid2hwzgq-closure-info.drv
  /nix/store/d5a36g899xfsc68ncqxx383jlx5jxlvs-run-nixos-vm.drv
  /nix/store/0cimz6vhdc5aw7rb0r7g5paxd2mi3nq4-nixos-vm.drv
  /nix/store/mrnnd5v4h5zs8cg1xn6lw99l90scmmxw-driverConfiguration.json.drv
  /nix/store/j9zbxr9pzpb467fk9ifpmf1hz6crk80v-nixos-test-driver-nspawn.drv
  /nix/store/gbc8jww24gh34w916v3nmgaqli2dc06h-vm-test-run-nspawn.drv
Failed to find a machine for remote build!
derivation: gbc8jww24gh34w916v3nmgaqli2dc06h-vm-test-run-nspawn.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], [])