these 16 derivations will be built:
  /nix/store/11la72d8zg45lrwk372pppw3346yw72n-system-path.drv
  /nix/store/9hszrx0qzk3g2w0lq8rwinsa2hsab0bk-dbus-1.drv
  /nix/store/a8ixm6mpy1mdm5nhw6am1li4cx2jq5nm-X-Restart-Triggers-dbus-broker.drv
  /nix/store/7q7c0b0acrjr9q2jp1dcal02qcnadqnf-unit-dbus-broker.service.drv
  /nix/store/86xdjlz0a86plc0cxbkdi77gprb2rs7c-system-units.drv
  /nix/store/4cz20j76in5wvn8sdf58bhx5g7wi8v1w-unit-dbus-broker.service.drv
  /nix/store/hwk32ra667xrwk6zlyiahd4w6cf1pwv9-user-units.drv
  /nix/store/bb0pvck424r0msq7cpjrc1mjz8a0105l-etc.drv
  /nix/store/8l2yh4yn0d152vjj5jdpf9l8x565r8jm-activate.drv
  /nix/store/bqpx03khqvqm1ax9s332bqqvcc0728ix-nixos-system-machine-test.drv
  /nix/store/3y28swlngcv30qwi0c40idcmn0si0v9x-closure-info.drv
  /nix/store/3gi5px5cikgg5qdqr5mw88qixsalrmwz-run-nixos-vm.drv
  /nix/store/jcnv7ffn0vc7gsj6axdi439z921cqyqc-nixos-vm.drv
  /nix/store/k4ppkcvbfpv8br5h0xqzakpzyq3gyl6l-driverConfiguration.json.drv
  /nix/store/pykzgr8brvq0vg1hwwk4acivgfc6rpzw-nixos-test-driver-systemd-userdbd.drv
  /nix/store/7jv1vwj0rh3xjxms3xiiyr8a635adkir-vm-test-run-systemd-userdbd.drv
Failed to find a machine for remote build!
derivation: 7jv1vwj0rh3xjxms3xiiyr8a635adkir-vm-test-run-systemd-userdbd.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], [])