these 3 derivations will be built:
  /nix/store/6rszx7jdfajfqdhhx3hfbqk1fd7h49yi-driverConfiguration.json.drv
  /nix/store/bghlwjxpxp8dmbr5d8kh986rp9f6x2y7-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/zf0d7660c903b76c40igjph7gcrji41m-vm-test-run-nix-grpc-farm.drv
Failed to find a machine for remote build!
derivation: zf0d7660c903b76c40igjph7gcrji41m-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], [])