these 6 derivations will be built:
  /nix/store/mlnifi5vkwvqg6j19vw0lcjhp36wimhm-nixos-system-server-test.drv
  /nix/store/6fk8zcg2rylbmagk32xph47x6rq96z0i-closure-info.drv
  /nix/store/0zapf2hqxwjdpgmxrmi7z8z52nrcxw0f-run-nixos-vm.drv
  /nix/store/3mc435z1gh6if6mnmbclhaykpjvdr7kq-nixos-vm.drv
  /nix/store/kdbplhwkj3kbdhbc5l8ywh9n8l2m9a4a-nixos-test-driver-plv8.drv
  /nix/store/rh998pb137ra9r4rjf4cagjv5wxklqi4-vm-test-run-plv8.drv
building '/nix/store/kdbplhwkj3kbdhbc5l8ywh9n8l2m9a4a-nixos-test-driver-plv8.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'
building '/nix/store/rh998pb137ra9r4rjf4cagjv5wxklqi4-vm-test-run-plv8.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'