these 2 derivations will be built:
  /nix/store/kp14k808arkc8nvc823jdikhmmdm0hfz-flake-inputs.drv
  /nix/store/pmpcdn20a53yzky5gp2wwj01d669ycgy-check-flake-inputs.drv
building '/nix/store/kp14k808arkc8nvc823jdikhmmdm0hfz-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/kp14k808arkc8nvc823jdikhmmdm0hfz-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building kp14k808arkc8nvc823jdikhmmdm0hfz-flake-inputs.drv
building '/nix/store/pmpcdn20a53yzky5gp2wwj01d669ycgy-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/pmpcdn20a53yzky5gp2wwj01d669ycgy-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building pmpcdn20a53yzky5gp2wwj01d669ycgy-check-flake-inputs.drv