these 2 derivations will be built:
  /nix/store/qcqb7zb08dfbf9c597a2zngrhcwpx15y-flake-inputs.drv
  /nix/store/s9k197f18n8l89mhacvjbic9nin5h47j-check-flake-inputs.drv
building '/nix/store/qcqb7zb08dfbf9c597a2zngrhcwpx15y-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=20&system=aarch64-linux'
building '/nix/store/qcqb7zb08dfbf9c597a2zngrhcwpx15y-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> bld3: building qcqb7zb08dfbf9c597a2zngrhcwpx15y-flake-inputs.drv
building '/nix/store/s9k197f18n8l89mhacvjbic9nin5h47j-check-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=20&system=aarch64-linux'
building '/nix/store/s9k197f18n8l89mhacvjbic9nin5h47j-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> bld3: building s9k197f18n8l89mhacvjbic9nin5h47j-check-flake-inputs.drv

upload niks3: ok