these 19 derivations will be built:
  /nix/store/ap5gnjkb7nvab68ckk9mkvb7ppsxfy70-test-script.drv
  /nix/store/5ghdqi818kkfj3sy7jp8v3593rq47wsv-unit-niks3-gc.service.drv
  /nix/store/h8r4d4b34624k2i60yp1l211ggs802yp-system-path.drv
  /nix/store/kgywvmrrwdy6nr9z7i66yv0fww19fp02-dbus-1.drv
  /nix/store/bq97qpzawsi066vfd6vzhqmn9li7djkc-X-Restart-Triggers-dbus-broker.drv
  /nix/store/f202bz04675wrh0g18c9blfjgaik27mq-unit-dbus-broker.service.drv
  /nix/store/jzb2b5b894ax1zwm8pp53s078kgr8gm6-unit-niks3.service.drv
  /nix/store/gv8759cxg81fri104ha80kllx5dzh645-system-units.drv
  /nix/store/mgb26dri3jnd393x4aqyg3fx6kmwbyb1-unit-dbus-broker.service.drv
  /nix/store/kny5jpj617ndkd0n97452avbgxb46f07-user-units.drv
  /nix/store/h66p439jdr8fs97wh81rn95lwz1ymvnr-etc.drv
  /nix/store/f19y9vb57aqladw4nj5ka3bskx08vba2-activate.drv
  /nix/store/f1jr75w6w6pyd82b2qgi4v00nh855qk6-nixos-system-server-test.drv
  /nix/store/yb2dqvrbgyqfjysy93kpqwhi04ynz5iq-closure-info.drv
  /nix/store/v5l6v3g4vnwxkf88bbsixirpvvgidnqc-run-nixos-vm.drv
  /nix/store/s3hdjbjq37gvg589h48hw8hh8qpmj0ha-nixos-vm.drv
  /nix/store/iv3h9yd3pil39c0ijzhsn0bp5kdjh57x-driverConfiguration.json.drv
  /nix/store/n9va573vx2fnzgpnhf1n5lrpl50r010p-nixos-test-driver-nixos-test-read-proxy.drv
  /nix/store/3sdqd2bs8iwhsfx456cgyxsddqifcy1s-vm-test-run-nixos-test-read-proxy.drv
Failed to find a machine for remote build!
derivation: 3sdqd2bs8iwhsfx456cgyxsddqifcy1s-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], [])