these 16 derivations will be built:
  /nix/store/lgav29rjccka1lmfyc9bvj0vch272hzj-system-path.drv
  /nix/store/bmagwjfg623vclcm90ch2sia51cvaq2r-dbus-1.drv
  /nix/store/p7p0gjc9akjv0ivhqzgwvqm129hzysj9-X-Restart-Triggers-dbus-broker.drv
  /nix/store/1ya3mhxzcc05akyiph37afn13crivx4x-unit-dbus-broker.service.drv
  /nix/store/29ldh6l03sicg6chfrja5q38f5rzmj31-system-units.drv
  /nix/store/9h73fm1ydl6nwyi2n9n0l7qf3vsv4dn0-unit-dbus-broker.service.drv
  /nix/store/zaai903597ldlkg5mwf73h5pzmdw5d23-user-units.drv
  /nix/store/n79l6zhj4v2rj5jqvr2pffg9gp4sxy0s-etc.drv
  /nix/store/jwvgnn8cfdjl5ygpliwcpfxrvi18gw6c-activate.drv
  /nix/store/zvnwz1c4jk90rw6ji06vw3njyc2ccilr-nixos-system-server-test.drv
  /nix/store/ddh30xvfipjjfidzlkmx3z152hk0xq7q-closure-info.drv
  /nix/store/hxd1dckx8kp1q7ar1kqbgp9m9xgzpaw4-run-nixos-vm.drv
  /nix/store/l9nmfpg48i2wcp70fcsp1fhbgrg7yh6s-nixos-vm.drv
  /nix/store/b2d4i0vfrbz9fs72f5i0g46c925rrcsx-driverConfiguration.json.drv
  /nix/store/iq07lhrsv438d6m6d14ff3rk7palglpv-nixos-test-driver-nspawn.drv
  /nix/store/a6kznivymiryv2qf2747lrmwl9i934xw-vm-test-run-nspawn.drv
Failed to find a machine for remote build!
derivation: a6kznivymiryv2qf2747lrmwl9i934xw-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], [])