this derivation will be built:
  /nix/store/6165lcn7lwi28bw3zail6kzzm7ckg91f-ubuntu-22.04-server-cloudimg-amd64.img.drv
warning: ignoring the client-specified setting 'store', because it is a restricted setting and you are not a trusted user
building '/nix/store/6165lcn7lwi28bw3zail6kzzm7ckg91f-ubuntu-22.04-server-cloudimg-amd64.img.drv' on farm.numtide.com:50051
ubuntu-22.04-server-cloudimg-amd64.img> bld1: building 6165lcn7lwi28bw3zail6kzzm7ckg91f-ubuntu-22.04-server-cloudimg-amd64.img.drv
ubuntu-22.04-server-cloudimg-amd64.img> structuredAttrs is enabled
ubuntu-22.04-server-cloudimg-amd64.img> 
ubuntu-22.04-server-cloudimg-amd64.img> trying https://cloud-images.ubuntu.com/releases/22.04/release-20261106/ubuntu-22.04-server-cloudimg-amd64.img
ubuntu-22.04-server-cloudimg-amd64.img>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
ubuntu-22.04-server-cloudimg-amd64.img>                                  Dload  Upload  Total   Spent   Left   Speed
ubuntu-22.04-server-cloudimg-amd64.img> 100    376 100    376   0      0   2342      0                              0
ubuntu-22.04-server-cloudimg-amd64.img> 100 696.7M 100 696.7M   0      0 94.16M      0   00:07   00:07         101.1M