these 16 derivations will be built:
  /nix/store/0yi9b5a1355jdfw0n7agnrbrgf9zq7hy-system-path.drv
  /nix/store/jv1zalxigk0p76ymd4fg1w678k0ri8nz-dbus-1.drv
  /nix/store/nbsl0mrgaqn6jl2a5fx8cmk8j8saf3si-X-Restart-Triggers-dbus-broker.drv
  /nix/store/rs079sgx6ldr83l5xnrs1if027zy7giy-unit-dbus-broker.service.drv
  /nix/store/b0nw7qvllz3zqk6igi6n8v0kxmhw3bfa-system-units.drv
  /nix/store/46ig18085xl6ipcsrj8qnqlnj7fm7z2a-unit-dbus-broker.service.drv
  /nix/store/xg053ji2vnm7vdrsshsbq1g5h6pp5yag-user-units.drv
  /nix/store/1zm2nj09dpna2h8f1ixssqb8i92zx716-etc.drv
  /nix/store/migg219lxznvpzk1rlghnkr71fvphvg8-activate.drv
  /nix/store/v13jk7qqwxrb7hg0iwpcqx5rn78zprlx-nixos-system-server-test.drv
  /nix/store/mm2gaj00zxq7czsfpvzbk4f5v2dx36nm-closure-info.drv
  /nix/store/6l4388l289ac8nsyxsnb83z579lhp30n-run-nixos-vm.drv
  /nix/store/zb9cqmfk5g761l26i14p9qb1mxzi5vyh-nixos-vm.drv
  /nix/store/qdwlidyrm2xwlv261k4vd27hm52dcv6h-driverConfiguration.json.drv
  /nix/store/jj0cgpm6kmkh4vqphygshl61ckpfv5yl-nixos-test-driver-nspawn.drv
  /nix/store/xyxkidcqvzz7m43cn58gyar59610hws4-vm-test-run-nspawn.drv
Failed to find a machine for remote build!
derivation: xyxkidcqvzz7m43cn58gyar59610hws4-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], [])