these 19 derivations will be built:
  /nix/store/2zhaq0zn79dny0l0kwmsnjnx5xzgwa2p-user-units.drv
  /nix/store/wqk9nlwmx5ibnv47bjhljsikpqdbdk2d-unit-firewall.service.drv
  /nix/store/ypaqlvgja5yf31nd5a35brfqvbpbdaq0-unit-nginx.service.drv
  /nix/store/xvx16mnj3wh5gbjmm9x6vr6xyc4g7zbb-system-units.drv
  /nix/store/1dsmi461i06c6sxj88wzwify7pksw1lb-etc.drv
  /nix/store/16q76xfry7w57sfhnfghnhdc96ijb3md-activate.drv
  /nix/store/ikk5dq855bslfa136vj6xhmcsak8534i-etc.drv
  /nix/store/s968vyw5yi6vajh8qrzhxkg3r8i9l792-activate.drv
  /nix/store/wpr26bymih9sby5wyk25z9z57lvl67q9-nixos-system-client-test.drv
  /nix/store/54i4plhiawlxjmnkhpq6vfy7q2w6qahq-closure-info.drv
  /nix/store/c2ganwsjbhfa0wqmc2d6j158bkkkqiaj-run-nixos-vm.drv
  /nix/store/vwdgysinwfpvl3x095kwslf0niy7iq80-nixos-vm.drv
  /nix/store/rqwii02jjhlb4n2malj24v97anf79pjb-nixos-system-server-test.drv
  /nix/store/909zfkajn8snnarid3h043l7hb9pb7dr-closure-info.drv
  /nix/store/gdhmr67fzs5rhichn9kl38cmdh1g7bpw-run-nixos-vm.drv
  /nix/store/w65j5xc6lmzgxxyxmvw8avdb50l1b8b3-nixos-vm.drv
  /nix/store/7ch989gwfvcpp7k5f30rw9xpnhhm7qgp-driverConfiguration.json.drv
  /nix/store/gysvq10h78rsjqwkhzmphm3cb69kwa8f-nixos-test-driver-systemd-nspawn.drv
  /nix/store/xds1q2ni26wpm27g0wl4s6cg133py4fl-vm-test-run-systemd-nspawn.drv
Failed to find a machine for remote build!
derivation: xds1q2ni26wpm27g0wl4s6cg133py4fl-vm-test-run-systemd-nspawn.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], [])