these 11 derivations will be built:
  /nix/store/0abjj3lgxn2smq70jrzw7lm9r6fkg8s3-unit-harmonia-dev.service.drv
  /nix/store/hskzkmrqa35fkqzsxn1wsakmp8j0vsnf-system-units.drv
  /nix/store/49c39ww0r93n83jk4gxifkmddjj0shi3-etc.drv
  /nix/store/pnxxnl6hihd1w4pm8v207x8nxxpvhmml-activate.drv
  /nix/store/1hq5s40d6y503b2801hwac4ab3d44wc9-nixos-system-harmonia-test.drv
  /nix/store/8cxa6nssdljfd82z4wwzwxmnvz25jwpa-closure-info.drv
  /nix/store/bcwmy95wng324ync0ay6nsqpakzarm3g-run-nixos-vm.drv
  /nix/store/d42xczxnk8dnvj658n57pw8bs5fq5nw5-nixos-vm.drv
  /nix/store/w7hc89gsc8s4dc26iaz1blv1qhfn4y5x-driverConfiguration.json.drv
  /nix/store/0vfp19a153y923x1943s7as5z5l62gl9-nixos-test-driver-ca-derivations.drv
  /nix/store/2qgnyqkq80q9fjlyn0zqz06190iipr94-vm-test-run-ca-derivations.drv
Failed to find a machine for remote build!
derivation: 2qgnyqkq80q9fjlyn0zqz06190iipr94-vm-test-run-ca-derivations.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], [])