these 17 derivations will be built:
  /nix/store/sx8mm7yfv5my11qvzsqbl4lb51w0ll0g-unit-tinc.mesh.service.drv
  /nix/store/wik3v9m4hmpsawgfvlbx4pbbvbfzgsfa-system-path.drv
  /nix/store/kpb5dzlkcrgy6qry0f7vs0igl0rkhj7p-dbus-1.drv
  /nix/store/flg730ji0kacvzpg8i0ykvsxklxxiwzy-X-Restart-Triggers-dbus-broker.drv
  /nix/store/w2zn6kvx164jv6ssx08wvbk36fxhxfwg-unit-dbus-broker.service.drv
  /nix/store/cg1fklj2644xkwk8n1qs1zd7jc5zl2qb-system-units.drv
  /nix/store/6yzwyj8hpqm7ns8w64n5fvj7zdp9mjf4-unit-dbus-broker.service.drv
  /nix/store/fg048jv4za466s0lq0y6miklwm71k6gw-user-units.drv
  /nix/store/d0ark36j2rlrxj984x8gasl4mxj5bk4r-etc.drv
  /nix/store/8k06kc1qnpydlay9klz48a0n60ixj7am-activate.drv
  /nix/store/ydygdqsrw0ri9i3y3n1fy7dl08vmv4a6-nixos-system-alpha-test.drv
  /nix/store/vlly6hm9ykyqd5l01ww3gh4vcgk955sg-closure-info.drv
  /nix/store/h6vsvn4ir4m5fia4ks4jbzhxhrwxl0q0-run-nixos-vm.drv
  /nix/store/266v9yyqmm6y9lxpxcxgawdg8kfbn9dg-nixos-vm.drv
  /nix/store/03grghbym2g4c1i1a55bpr77wniqxy2y-driverConfiguration.json.drv
  /nix/store/08pkj7xxc7frwaghingcibjxpi9zhfkj-nixos-test-driver-tincd-nixos-crossimpl.drv
  /nix/store/j5vfs0zg8dyxz22324maajlac5hp7xdd-vm-test-run-tincd-nixos-crossimpl.drv
Failed to find a machine for remote build!
derivation: j5vfs0zg8dyxz22324maajlac5hp7xdd-vm-test-run-tincd-nixos-crossimpl.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], [])