these 11 derivations will be built:
  /nix/store/pk43jzll9ndgxi5w5wdv1vp29bfbv11c-unit-niks3.service.drv
  /nix/store/skwj1pf78xp1fyyrbbhkvc5xdkknv64j-system-units.drv
  /nix/store/qfp92wmpm3547yw1y40rlg1wwj8ir60l-etc.drv
  /nix/store/jcmy0kcfzcjg28v2p8a11dhr7dxqpxyp-activate.drv
  /nix/store/nyvynn995dr7zd202w5a7m5ci8al099z-nixos-system-server-test.drv
  /nix/store/lsxcl2qkybwp7knyvbnl9zqrxd6i9s31-closure-info.drv
  /nix/store/yikac4kwqk8jyhplqw0pshpj9aj4b06v-run-nixos-vm.drv
  /nix/store/nxr507r7ir37b5rdladgvi2bsq43l8vc-nixos-vm.drv
  /nix/store/zpzrafrg1nblc5cx0469c5sacm2l8pra-driverConfiguration.json.drv
  /nix/store/il5shhk3x03bjy1bm3y4cp4v4wc7w9s5-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/6b3nia18mcwai5lqaymvnipvk6pf9lf3-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: 6b3nia18mcwai5lqaymvnipvk6pf9lf3-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], [])