this derivation will be built:
  /nix/store/hjmbf255l0n9q68p6nhv7rjbx05h51p7-claudebox.drv
building '/nix/store/hjmbf255l0n9q68p6nhv7rjbx05h51p7-claudebox.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=22&system=aarch64-linux'
building 'hjmbf255l0n9q68p6nhv7rjbx05h51p7-claudebox.drv' on farm.numtide.com:50051
building 'hjmbf255l0n9q68p6nhv7rjbx05h51p7-claudebox.drv' on farm.numtide.com:50051
claudebox> bld4: building hjmbf255l0n9q68p6nhv7rjbx05h51p7-claudebox.drv

upload niks3: ok