these 11 derivations will be built:
  /nix/store/fwf2z0d500b1c32gpi93pzxk22npymav-unit-echo.service.drv
  /nix/store/s51bi1azwx7xa06v268a83h5j4bj4jj4-system-units.drv
  /nix/store/gm0wrjrryjwh3hzblqn9ir28amj80ca7-etc.drv
  /nix/store/8xmz0901vk6xciwp167m25s1abvb5f05-activate.drv
  /nix/store/9ayxhp5c5dfyx2qzj2dhg5dzzgabnrvl-nixos-system-machine-test.drv
  /nix/store/x6q90p0yqdhm4kwgrzxcwy50c4yldwdv-closure-info.drv
  /nix/store/dggqjmkbm89x2m7n9lyzlffsm3jc5ji6-run-nixos-vm.drv
  /nix/store/68p2i89ck87jzmca843dr905a3jhx3di-nixos-vm.drv
  /nix/store/kjdi13hl9cz8jk83g1dmbzm0g475k2yp-driverConfiguration.json.drv
  /nix/store/dam704k4kv80vbhlfxrpqd63mainv6qa-nixos-test-driver-systemd-escaping.drv
  /nix/store/7kbig151b9nn75lmxwfvxm87wwa4mr59-vm-test-run-systemd-escaping.drv
Failed to find a machine for remote build!
derivation: 7kbig151b9nn75lmxwfvxm87wwa4mr59-vm-test-run-systemd-escaping.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], [])