these 16 derivations will be built:
  /nix/store/yhmd9zzrypx2m93dwzx3pn9mqmrf2cd8-system-path.drv
  /nix/store/lyz7fjbx0i53nsi2vwpkvbsazldvgn3q-dbus-1.drv
  /nix/store/c3l1bhi27za013byvqil39s4r6fw6q1p-X-Restart-Triggers-dbus-broker.drv
  /nix/store/5p9k20s8ai55z8cjp3z0narlz1gidkfz-unit-dbus-broker.service.drv
  /nix/store/73jck45b6kyqs42vizsg5hrq1265mnm1-system-units.drv
  /nix/store/z0793zw9arjdqgvq8x6f85ym40d5azkv-unit-dbus-broker.service.drv
  /nix/store/pw1ps3ldbym7kg4lzhywmajanwh796dp-user-units.drv
  /nix/store/mrpjlrsydzh3y8nd6l7sb0z188nkv6fm-etc.drv
  /nix/store/lkbvm1wz0wjh8q5ms4pwjc9g2g48jzha-activate.drv
  /nix/store/bqpyx2rz4mvb2asg4az8qrdcw77r06rz-nixos-system-server-test.drv
  /nix/store/21ipxaiwz8zcwjnzapb6b3mxxsb4nj0x-closure-info.drv
  /nix/store/xv5jddw5bc9ym9324v45sfgh0r2q1k62-run-nixos-vm.drv
  /nix/store/za4xd9j74f2sqh7mc158lmv3yywspvxc-nixos-vm.drv
  /nix/store/n3in14bvci1bh7xa6p9fghplqsky5n12-driverConfiguration.json.drv
  /nix/store/gwd5wrj6s3w0ypddsnx2r5b8iz3sph1f-nixos-test-driver-nspawn.drv
  /nix/store/kpaw9xglkm9fynq35qvfflazl0w01m5m-vm-test-run-nspawn.drv
Failed to find a machine for remote build!
derivation: kpaw9xglkm9fynq35qvfflazl0w01m5m-vm-test-run-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], [])