these 10 derivations will be built:
  /nix/store/bhclvra2mw2j998hi11cg98hb13garhv-system-units.drv
  /nix/store/xl34xpylypp0ifh1q3phipzhsnjl67f8-etc.drv
  /nix/store/ysbmdjb8fvcv0h53v4h7bckb5jj9gm6m-activate.drv
  /nix/store/y56qij9p72nb9ngqd0cjmvw0xvjipwig-nixos-system-machine-test.drv
  /nix/store/w6fbng6j784459k8cxgjhc717sgqzzag-closure-info.drv
  /nix/store/x9abg8k912a34bpw3isxs96c8h433qxr-run-nixos-vm.drv
  /nix/store/5adjbzjpn8w7h3pxlh1qriagxyww71x2-nixos-vm.drv
  /nix/store/nlqrad6n9x7zfpq2ydsj95b7n5q5d001-driverConfiguration.json.drv
  /nix/store/w7fbcw1ws3vd2nq1g38yqiym25qk765c-nixos-test-driver-systemd-userdbd.drv
  /nix/store/b0r1gz717ir9x5dqwcakfbr8jn0s2020-vm-test-run-systemd-userdbd.drv
Failed to find a machine for remote build!
derivation: b0r1gz717ir9x5dqwcakfbr8jn0s2020-vm-test-run-systemd-userdbd.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], [])