these 50 derivations will be built:
  /nix/store/3g8jkgxgmn4mbxihbs02dqj8m7xd4lkq-slow.nix.drv
  /nix/store/1q353l17s4p52wp6gfgd4iza48h4fp08-test-script.drv
  /nix/store/zjj5pa63ip9q8smx4g3vjmg9c8zyzwbp-nix.conf.drv
  /nix/store/5ag7rck4g5zzm7f7xkbx6i3fd6hhwgfk-X-Restart-Triggers-nix-daemon.drv
  /nix/store/ckx4dscjc4ykws1swis4qwv86zrw3852-system-path.drv
  /nix/store/rfkjlfzw40hzrvvfhhh1gja75z7rp65d-dbus-1.drv
  /nix/store/am2diivgikh30zvayk0fx5y2cn39pks5-X-Restart-Triggers-dbus-broker.drv
  /nix/store/d7m6f859s1ilymhn618jzhg5qs2wmf75-unit-dbus-broker.service.drv
  /nix/store/6x1ar0r2414xqjac0rl7hqqc57926lnn-user-units.drv
  /nix/store/s6svkqjdj4hygb95bfyrdim9khwq8vcn-nix.conf.drv
  /nix/store/xycsgzdd03ric718ryw5bfnmifbfmhx1-X-Restart-Triggers-nix-daemon.drv
  /nix/store/aknvhfff58kdb0qp3i71yb67g022dhqq-unit-nix-daemon.service.drv
  /nix/store/hcinr4ln14ayjpvsdx7khybssll7s3wc-unit-nix-grpc-daemon.service.drv
  /nix/store/z3c4rah81a3lwk65lyvzvylsfqs2f6d4-unit-dbus-broker.service.drv
  /nix/store/7f8nbfg9n58mg5fapjb11fm5033bki11-system-units.drv
  /nix/store/85f2ln9qm9jh967slzh6qlwkxlf2201f-nix.conf.drv
  /nix/store/nhl4wirxjz1w9dlxp6bgbbqd6lr3zhqf-etc.drv
  /nix/store/bsjd28y9p4y99c1r3a8c7vmn36bx00cg-activate.drv
  /nix/store/lfvig8ka6kn4mnr7b3qgk2bi6mhbpan3-grub-config.xml.drv
  /nix/store/jk0pal485b7i6042v562c0wbkqiamqp3-install-grub.sh.drv
  /nix/store/g0sadm574c0j90h0jdf5539gw1mscxka-nixos-system-worker2-test.drv
  /nix/store/iamz3a4p4pkwgva1mbapdgjg6zjqfl8m-unit-nix-grpc-daemon.service.drv
  /nix/store/npm9kmk729zsz1595q5wf7qp0kdj8skp-system-units.drv
  /nix/store/w3hqqz150a73l3h422fkl15rp4dy23y5-etc.drv
  /nix/store/yy3kxs8jgmjjadcjswl91vx63xwm3zqv-activate.drv
  /nix/store/qz48yif1xzl55vpr5kl9yrbs1vwff5bi-nixos-system-worker2-test.drv
  /nix/store/b5n30zimi59av14vcwimg0hkvgw8rgrm-closure-info.drv
  /nix/store/js1mgmyk8xhc5difm9d4wn9zn9h7nlvy-run-nixos-vm.drv
  /nix/store/9azaasg65ajffs3hfn5dx998fz2m73s4-nixos-vm.drv
  /nix/store/ban24v2hzmv3lhriihr6kcv0kkyncn03-unit-nix-grpc-daemon.service.drv
  /nix/store/zssm1rbx0rk721ds42119cc9qmi29cy9-X-Restart-Triggers-nix-daemon.drv
  /nix/store/mr03jwx29h7n04gg869wqcspfxaii9q4-unit-nix-daemon.service.drv
  /nix/store/nrz5r04pzj0x0kg8lkdz9nagiz1bxy82-system-units.drv
  /nix/store/f2qi9h428bdsnx2f8cxy67fa6kzxlcp3-etc.drv
  /nix/store/y7kx6cbyssz41aad5iklqc9ggxjmb1k7-activate.drv
  /nix/store/fvxsmvy6layffcms14xi8q5izzcpip6l-nixos-system-worker1-test.drv
  /nix/store/aslywrc459pg547gsf6i85q7qar3ji5z-closure-info.drv
  /nix/store/azpwnnpyk2v79qlyk2ngl8cjxpikjyv6-run-nixos-vm.drv
  /nix/store/dn6wyik8kn7dlbvngw8y2bivfcqi50ay-nixos-vm.drv
  /nix/store/sq9ymfnqqy857qcllrxf9hxzz4qz33yg-unit-nix-daemon.service.drv
  /nix/store/igd34fvrm7xzra0q3p9yn4n4qswrcdf5-system-units.drv
  /nix/store/9vbddw6hhknnjjnczn20nsnd2dh2ggrn-etc.drv
  /nix/store/qbkq9i6lf0jqzw9fzvcscjs05dmp8028-activate.drv
  /nix/store/ifql4k897g6nhqnfjlbff40g52q5wmcf-nixos-system-client-test.drv
  /nix/store/almbvhyq7k5ikxp7s6zjfr1xlw4x6q4s-closure-info.drv
  /nix/store/rs8sh6y8gl374cds8f3ar0m5db14n3qn-run-nixos-vm.drv
  /nix/store/zkkiycnxr59kv0qkmj1dlm0iyckmjka0-nixos-vm.drv
  /nix/store/hias0f9f82gnf1bmzfbkns1c5p70wiym-driverConfiguration.json.drv
  /nix/store/gwn3yrcqdg7ar76mq05w62w3sfg825dl-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/8kfnw3jwckbgrj6bxrwbi42c6jp6558v-vm-test-run-nix-grpc-farm.drv
Failed to find a machine for remote build!
derivation: 8kfnw3jwckbgrj6bxrwbi42c6jp6558v-vm-test-run-nix-grpc-farm.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], [])