these 2 derivations will be built:
  /nix/store/xqg42cinzf48kk1gpdrgl6s6wz3wzyza-pi-1.3.0.drv
  /nix/store/7pbnki4rsrlp2ysr9v2fsds6f66lac6c-check-pi.drv
building '/nix/store/7pbnki4rsrlp2ysr9v2fsds6f66lac6c-check-pi.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/7pbnki4rsrlp2ysr9v2fsds6f66lac6c-check-pi.drv' on farm.numtide.com:50051
check-pi> elastic-arm-5be5d98b: building 7pbnki4rsrlp2ysr9v2fsds6f66lac6c-check-pi.drv

upload niks3: ok