these 3 derivations will be built:
  /nix/store/6x6qrypql1jx5lxjk5kq4fr54k8h0agj-driverConfiguration.json.drv
  /nix/store/j67prb7zlb8cqba6m7ka7qhajaqb3b62-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/0mbs24frkxhj9j4fsmwa3sq0yc02h3yc-vm-test-run-nix-grpc-farm.drv
Failed to find a machine for remote build!
derivation: 0mbs24frkxhj9j4fsmwa3sq0yc02h3yc-vm-test-run-nix-grpc-farm.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], [])