these 7 derivations will be built:
  /nix/store/19micvzmqqw8wam7p6csr1m1h9vq7944-nixos-system-server-test.drv
  /nix/store/rg9gj90bwf4aafn9v4354nd5dfbw3l5w-nixos-system-server-test.drv
  /nix/store/1mliv523xf9ccc31hyb7prbh8x70v7n0-closure-info.drv
  /nix/store/x25mch8gmw0niwwfppwdmbs1897s3hww-run-nixos-vm.drv
  /nix/store/ffszf4kfbbf8x60sv4a9amynzfhayhnx-nixos-vm.drv
  /nix/store/z58a360c0b0zsiaykvkcprbjxl396nhs-nixos-test-driver-plpgsql_check.drv
  /nix/store/071ypp71qmcihf6pl9xk1dqw9b2vkina-vm-test-run-plpgsql_check.drv
building '/nix/store/z58a360c0b0zsiaykvkcprbjxl396nhs-nixos-test-driver-plpgsql_check.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'
building '/nix/store/071ypp71qmcihf6pl9xk1dqw9b2vkina-vm-test-run-plpgsql_check.drv' on 'ssh-ng://nixbot-remote-build@62.210.193.142'