these 11 derivations will be built:
  /nix/store/a93xsqqc6sh02pwl2sbyk7d1qxl0fnrf-unit-niks3.service.drv
  /nix/store/dh28sklvkmj8jnd2lnvhfpfw4jx6ws5y-system-units.drv
  /nix/store/za3qdjqmb65j51sz7qbxls5j5qfgvl0k-etc.drv
  /nix/store/j4b65ws67sk4c6hp3q04ia6fr5v2zj1f-activate.drv
  /nix/store/ai9vhwkh82lcr4rb20m2xz2ylfhpv3a5-nixos-system-server-test.drv
  /nix/store/izsflbmr4ngjayigmacqxv549qzawyak-closure-info.drv
  /nix/store/p4riz766inrar8yymx5jylgxrl80q4mj-run-nixos-vm.drv
  /nix/store/cz8sxlmjcm2gpl5rdlrzjn0gjcz8ahps-nixos-vm.drv
  /nix/store/pxjwxi26g68gqm7pcf1dgc82dax0dl4s-driverConfiguration.json.drv
  /nix/store/li7hmwvwjnby2sf46ldphdv31hm52blw-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/sk9z7hbxm72xd2wqgmpqbahzb5zcwbqd-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: sk9z7hbxm72xd2wqgmpqbahzb5zcwbqd-vm-test-run-nixos-test-read-proxy.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], [])