these 19 derivations will be built:
  /nix/store/3pjwjhxqlx7rig7rrl2fjb413zp2mysy-unit-nginx.service.drv
  /nix/store/914s3c7z6ap52dmy3jy4x6krmhcxxzxy-user-units.drv
  /nix/store/kjrzmj9zi8z7xhw3kb17j3sxxpdp79zp-unit-firewall.service.drv
  /nix/store/nsldgk09k868j6wzh57wxd766mgb0lfi-system-units.drv
  /nix/store/mgr5y0dq2qpdyhd5q6yl4v0qib52gcqc-etc.drv
  /nix/store/jcvdlmnckr6kv1bsqfy24rgxf56bhncz-activate.drv
  /nix/store/8zc1qlk4fbaxp8knv8xms8z3zn7fw1fa-nixos-system-server-test.drv
  /nix/store/4nh840gqv3007n1fp5h037af9z2mry80-closure-info.drv
  /nix/store/82bx7m1fplw95rzb60mh2bwscbxpb1s0-etc.drv
  /nix/store/sswf6bl0ks8h2cj5g85xcwqkab93hj61-activate.drv
  /nix/store/yz1cfzlp32ic0q4xjxcak15v5cmlp693-nixos-system-client-test.drv
  /nix/store/hisbnnmbf3xf9ik0mb0cpw2m9bw9rwmz-closure-info.drv
  /nix/store/dk3jcmisyb4mdgzbl4kz3ns232cffpax-run-nixos-vm.drv
  /nix/store/5fiklfrgy69xcdg92yqx8pin0hgrvffn-nixos-vm.drv
  /nix/store/qc46d99w3x9vbwhrcgm6q592qqf8axyd-run-nixos-vm.drv
  /nix/store/mhbgpygx4bifjjr4hmygbj6px8v5pvi9-nixos-vm.drv
  /nix/store/pz85gn7zlayr3c5mpv1fi8h84nz1i8rs-driverConfiguration.json.drv
  /nix/store/ckf8mndk4argc9nylfbfprzn1r1vzvab-nixos-test-driver-systemd-nspawn.drv
  /nix/store/f8dxiwivyi3rigm0yiqqhjygvi4br9ck-vm-test-run-systemd-nspawn.drv
Failed to find a machine for remote build!
derivation: f8dxiwivyi3rigm0yiqqhjygvi4br9ck-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], [])