this derivation will be built:
  /nix/store/42vxlrx7mf6ka0z048b1ji4334mkxy20-ubuntu-26.04-server-cloudimg-amd64v3.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/42vxlrx7mf6ka0z048b1ji4334mkxy20-ubuntu-26.04-server-cloudimg-amd64v3.img.drv' on farm.numtide.com:50051
ubuntu-26.04-server-cloudimg-amd64v3.img> bld1: building 42vxlrx7mf6ka0z048b1ji4334mkxy20-ubuntu-26.04-server-cloudimg-amd64v3.img.drv
ubuntu-26.04-server-cloudimg-amd64v3.img> structuredAttrs is enabled
ubuntu-26.04-server-cloudimg-amd64v3.img> 
ubuntu-26.04-server-cloudimg-amd64v3.img> trying https://cloud-images.ubuntu.com/releases/resolute/release-20261016/ubuntu-26.04-server-cloudimg-amd64v3.img
ubuntu-26.04-server-cloudimg-amd64v3.img>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
ubuntu-26.04-server-cloudimg-amd64v3.img>                                  Dload  Upload  Total   Spent   Left   Speed
ubuntu-26.04-server-cloudimg-amd64v3.img> 100 821.0M 100 821.0M   0      0 37.85M      0   00:21   00:21         53.91M