these 2 derivations will be built:
  /nix/store/8khrzkdhyz4sbmbzczp2fxcnf7ik2hqd-nixos-test-driver-pgjwt.drv
  /nix/store/0jp34i9h67218lja2w5immp1flwf6skf-vm-test-run-pgjwt.drv
building '/nix/store/8khrzkdhyz4sbmbzczp2fxcnf7ik2hqd-nixos-test-driver-pgjwt.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'