this derivation will be built:
  /nix/store/a7apn078brm23rgr2d0mpy5sc941yfi8-debian-12-generic-arm64-20260923-2610.qcow2.drv
building '/nix/store/f4l6h8rjr4a2lz3haaznf423jnbv26il-debian-12-generic-arm64-20260923-2610.qcow2.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=20&system=aarch64-linux'
building '/nix/store/f4l6h8rjr4a2lz3haaznf423jnbv26il-debian-12-generic-arm64-20260923-2610.qcow2.drv' on farm.numtide.com:50051
debian-12-generic-arm64-20260923-2610.qcow2> elastic-arm-1d05d380: building f4l6h8rjr4a2lz3haaznf423jnbv26il-debian-12-generic-arm64-20260923-2610.qcow2.drv
debian-12-generic-arm64-20260923-2610.qcow2> structuredAttrs is enabled
debian-12-generic-arm64-20260923-2610.qcow2> 
debian-12-generic-arm64-20260923-2610.qcow2> trying https://cloud.debian.org/images/cloud/bookworm/20260923-2610/debian-12-generic-arm64-20260923-2610.qcow2
debian-12-generic-arm64-20260923-2610.qcow2>   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
debian-12-generic-arm64-20260923-2610.qcow2>                                  Dload  Upload  Total   Spent   Left   Speed
debian-12-generic-arm64-20260923-2610.qcow2> 100    417 100    417   0      0   2385      0                              0
debian-12-generic-arm64-20260923-2610.qcow2> 100 413.3M 100 413.3M   0      0 39.29M      0   00:10   00:10         66.01M

upload niks3: ok