these 19 derivations will be built:
  /nix/store/dcnkrw9q7nm4fqfssxagxhfzd7yzh874-unit-nixbot.service.drv
  /nix/store/5vk442pqy03ylp70kjjpwg2yp6kciyxb-system-units.drv
  /nix/store/ifqbbx6rxls6lp4vadl1ds0hf9lsihkv-etc.drv
  /nix/store/zrq40lbyy9z49vgppcvp48kirrnyckl1-activate.drv
  /nix/store/slm06xxpza3p18r23xbic85m9fs031gm-nixos-system-gitea-test.drv
  /nix/store/ylk0qglfpr2ml0kcx1hf5r3c17c5nigy-closure-info.drv
  /nix/store/6ivwyicv0b1zs6ysgfmi031ifhyikzga-run-nixos-vm.drv
  /nix/store/4k459ii4mnnf7vm7k5kjn7na5hdj8xjv-nixos-vm.drv
  /nix/store/9nqbcsvia43y0c5f9iwlhfsrfa0pv7jf-unit-nixbot.service.drv
  /nix/store/5mylsl0f2cri5jw33f15fk9f8ca65k40-system-units.drv
  /nix/store/zsv4sclbbj06r5dacxqjhzh467a3x767-etc.drv
  /nix/store/q9fsn4xr8bgxz2w4x63qcsrg98vqz5zm-activate.drv
  /nix/store/ir7yzcc63qd4s6w9rkra4mb331agpj2l-nixos-system-github-test.drv
  /nix/store/9mba5xf82mcp7p67x1a1irf5gw07n6jr-closure-info.drv
  /nix/store/791rlxk494bhw8zkyan8p64rsywx6kra-run-nixos-vm.drv
  /nix/store/k47bmpgyj1zi3wk9dpfsgdidm7dsnfgg-nixos-vm.drv
  /nix/store/6dv09fxqsvd7yialx0gq23ybsswxppci-driverConfiguration.json.drv
  /nix/store/vzq88wzmnhaizjs5fzjy827pqab9xk89-nixos-test-driver-nixbot.drv
  /nix/store/snpm8q3fkp5syzi40pd0mjwd7b9w04nr-vm-test-run-nixbot.drv
Failed to find a machine for remote build!
derivation: snpm8q3fkp5syzi40pd0mjwd7b9w04nr-vm-test-run-nixbot.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], [])