these 5 derivations will be built:
  /nix/store/4w07vz07ai44d1lgrfr0dq75rjglsj4z-nix-grpc-e2e.drv
  /nix/store/axrwxaxfn7ajqlp4vdvynpckc5cx05y5-test-script.drv
  /nix/store/zi8zf05q575zn791b5xwl4aa1qvdn1xv-driverConfiguration.json.drv
  /nix/store/k4s9yg4zj78hr4sxc231xzr1vl6arqd8-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/7d5rh83vqp6nj2g4yxifx3gwh7vvnd4f-vm-test-run-nix-grpc-store-main.drv
Failed to find a machine for remote build!
derivation: 7d5rh83vqp6nj2g4yxifx3gwh7vvnd4f-vm-test-run-nix-grpc-store-main.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], [])