these 6 derivations will be built:
  /nix/store/78zd9q8a8cw44aqxpxwgadkp7ng05hr7-nixos-system-server-test.drv
  /nix/store/9mbjp0fhk555d8dpcxyq183a6c7jdvwk-closure-info.drv
  /nix/store/1sgmric0zblslrxhqg1lzwlm3kd8q004-run-nixos-vm.drv
  /nix/store/pxq9174cqaq4qsfr4a4cqbzywrwai3mx-nixos-vm.drv
  /nix/store/v7jkip36jf53cdv0ph0lnyaf21sfr891-nixos-test-driver-plpgsql_check.drv
  /nix/store/32103knfq2rvbmcqljm8wa1aswbscbc1-vm-test-run-plpgsql_check.drv
building '/nix/store/78zd9q8a8cw44aqxpxwgadkp7ng05hr7-nixos-system-server-test.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/78zd9q8a8cw44aqxpxwgadkp7ng05hr7-nixos-system-server-test.drv'
building '/nix/store/9mbjp0fhk555d8dpcxyq183a6c7jdvwk-closure-info.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/1sgmric0zblslrxhqg1lzwlm3kd8q004-run-nixos-vm.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/1sgmric0zblslrxhqg1lzwlm3kd8q004-run-nixos-vm.drv'
building '/nix/store/pxq9174cqaq4qsfr4a4cqbzywrwai3mx-nixos-vm.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'
building '/nix/store/v7jkip36jf53cdv0ph0lnyaf21sfr891-nixos-test-driver-plpgsql_check.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'