these 2 derivations will be built:
  /nix/store/3yq7ws111x1zhssjnck7ypfrix5ny9lz-auto-formatelf-hook.drv
  /nix/store/c4b5kjgd9hmg6vg2y5wirpcfsf9i1cjw-check-formatelf.drv
building '/nix/store/c4b5kjgd9hmg6vg2y5wirpcfsf9i1cjw-check-formatelf.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/c4b5kjgd9hmg6vg2y5wirpcfsf9i1cjw-check-formatelf.drv' on farm.numtide.com:50051
check-formatelf> elastic-arm-64da6151: building c4b5kjgd9hmg6vg2y5wirpcfsf9i1cjw-check-formatelf.drv

upload niks3: ok