these 2 derivations will be built:
  /nix/store/whn4yy580k6ygmll6mpg3yxvl9rqbs43-flake-inputs.drv
  /nix/store/cmxfixaq1y7m8mz8abszpq9q6y1isiqp-check-flake-inputs.drv
building '/nix/store/whn4yy580k6ygmll6mpg3yxvl9rqbs43-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/whn4yy580k6ygmll6mpg3yxvl9rqbs43-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building whn4yy580k6ygmll6mpg3yxvl9rqbs43-flake-inputs.drv
building '/nix/store/cmxfixaq1y7m8mz8abszpq9q6y1isiqp-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/cmxfixaq1y7m8mz8abszpq9q6y1isiqp-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building cmxfixaq1y7m8mz8abszpq9q6y1isiqp-check-flake-inputs.drv