these 12 derivations will be built:
  /nix/store/fq6c95klc2gq0yicfb4bp61clg7fbg9i-unit-echo.service.drv
  /nix/store/h5k0n9w94ljqw6s28ppwpwjr214nm0yq-system-units.drv
  /nix/store/kyc8g5rd4m7zb5l0dvsgzrrkv6sg66wc-etc.drv
  /nix/store/4i5lp4q3k6zxki6igxd8mg589qdxsbpn-activate.drv
  /nix/store/ql28nvrqcp0iwqnrkp71vnda7m7a3wq7-boot.json.drv
  /nix/store/x3y5dm3r620shdgylcgfa0nq6qk1h12a-nixos-system-machine-test.drv
  /nix/store/l8xbcdls3vdc9prkvd1x081mw5s8bgaz-closure-info.drv
  /nix/store/drprawh0svgsf36f9lpb095cx3ppnisa-run-nixos-vm.drv
  /nix/store/2vay02j6k8m80dickg4y3y6342qc58pq-nixos-vm.drv
  /nix/store/9023anmqnz1simp8n2p7i8i28sm1y257-driverConfiguration.json.drv
  /nix/store/4abibc86fj2pkwklixxzqa104rdv1glk-nixos-test-driver-systemd-escaping.drv
  /nix/store/64i8628ah41vg49vlv4k3xdzdlxv92hi-vm-test-run-systemd-escaping.drv
Failed to find a machine for remote build!
derivation: 64i8628ah41vg49vlv4k3xdzdlxv92hi-vm-test-run-systemd-escaping.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], [])