this derivation will be built:
  /nix/store/13v8rnrqss4yp7vmayaz62xiqdmd8ca3-flake-inputs.drv
building '/nix/store/13v8rnrqss4yp7vmayaz62xiqdmd8ca3-flake-inputs.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=23&system=aarch64-linux'
building '/nix/store/13v8rnrqss4yp7vmayaz62xiqdmd8ca3-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> bld4: building 13v8rnrqss4yp7vmayaz62xiqdmd8ca3-flake-inputs.drv

upload niks3: ok