this derivation will be built:
  /nix/store/c8zzl3j6dlpmmxx1vsz6hr9afh8f53d0-ubuntu-22.04-server-cloudimg-arm64.img.drv
building '/nix/store/prfk23fcnkq1ncc7l8l673ggmsz0dg2l-ubuntu-22.04-server-cloudimg-arm64.img.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=21&system=aarch64-linux'
building '/nix/store/prfk23fcnkq1ncc7l8l673ggmsz0dg2l-ubuntu-22.04-server-cloudimg-arm64.img.drv' on farm.numtide.com:50051
ubuntu-22.04-server-cloudimg-arm64.img> elastic-arm-1d05d380: building prfk23fcnkq1ncc7l8l673ggmsz0dg2l-ubuntu-22.04-server-cloudimg-arm64.img.drv
ubuntu-22.04-server-cloudimg-arm64.img> structuredAttrs is enabled
ubuntu-22.04-server-cloudimg-arm64.img> 
ubuntu-22.04-server-cloudimg-arm64.img> trying https://cloud-images.ubuntu.com/releases/22.04/release-20260913/ubuntu-22.04-server-cloudimg-arm64.img
ubuntu-22.04-server-cloudimg-arm64.img>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
ubuntu-22.04-server-cloudimg-arm64.img>                                  Dload  Upload  Total   Spent   Left   Speed
ubuntu-22.04-server-cloudimg-arm64.img> 100    376 100    376   0      0   2919      0                              0
ubuntu-22.04-server-cloudimg-arm64.img> 100 672.3M 100 672.3M   0      0 288.2M      0   00:02   00:02         299.5M

upload niks3: ok