these 3 derivations will be built:
  /nix/store/h86ivqf9ygml1gkvnh6hwy7ir3q8svr3-driverConfiguration.json.drv
  /nix/store/328s8c0ahl5x6df41vy1dsa5nh603yaq-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/c3bzmz89jymvlcnxbjb3ancwz78v2wxf-vm-test-run-nix-grpc-farm.drv
Failed to find a machine for remote build!
derivation: c3bzmz89jymvlcnxbjb3ancwz78v2wxf-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], [])