these 22 derivations will be built:
  /nix/store/5kgx42nj45m3amgrm3kpsqv7dxj446s8-niks3-server-1.4.0.drv
  /nix/store/333fdc7qddby5q7m0iylzpzjfdga4v0h-niks3-server-customisation-layer.drv
  /nix/store/4skqil46r3yy45g4py6b0aaj6pv41wqj-excludePaths.drv
  /nix/store/yy6k53jv3c7pwscg851ylaygr7lhdrh2-layers.json.drv
  /nix/store/0h7canyc19fvg2rvca601fjxww4q7g5a-niks3-server-conf.json.drv
  /nix/store/xlhgddv6xmv9irndvpk9ypnab1gnhypz-stream-niks3-server.drv
  /nix/store/pjixgfjqxd3hhf1p4l54ki7d2p8adl7a-niks3-server.tar.drv
  /nix/store/iqxpsj07634jxc828ry0gihkx5kwb2aa-k3s-agent-images.drv
  /nix/store/riyb5wh07icvy2yapxxnc34m0frf7v6x-10-k3s.conf.drv
  /nix/store/9nqvsfpq8sqn53d1jpnfqnbyf4515dj1-tmpfiles.d.drv
  /nix/store/5sd9w1iz2iysj5r52l4xqwy1rxiph8jm-X-Restart-Triggers-systemd-tmpfiles-resetup.drv
  /nix/store/i9zibh1bssa8dr4chww4bgq8q1myb2xm-unit-systemd-tmpfiles-resetup.service.drv
  /nix/store/nvpdqba758n37s13w9k2pp95fn923p9v-system-units.drv
  /nix/store/536p0bmr5nkr6ak2y5sc1mw3p7zldd45-etc.drv
  /nix/store/7jbw6dcvz8ai121gph00kz3iy3rjzi5z-activate.drv
  /nix/store/nkfdf5mbl8nvjhbjc565sgmc5zmban4w-nixos-system-machine-test.drv
  /nix/store/fjwaylfq0g1m18mwbn550idr10417qbs-closure-info.drv
  /nix/store/anivb9rfz2yxk5c0q70j0r3sljg4bmgs-run-nixos-vm.drv
  /nix/store/r31312fybdd6vlb0mhwxhi5pjbgvqpwq-nixos-vm.drv
  /nix/store/505dgs7fscpzgfripa8lzf3nnms4sb54-driverConfiguration.json.drv
  /nix/store/wk9zm4n2hfyys01nfx9c8n0qak5iz6jx-nixos-test-driver-nixos-test-k3s.drv
  /nix/store/6zvx0ls761vs7rsrz1cp0sn4apv28cnz-vm-test-run-nixos-test-k3s.drv
Failed to find a machine for remote build!
derivation: 6zvx0ls761vs7rsrz1cp0sn4apv28cnz-vm-test-run-nixos-test-k3s.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], [])