these 2 derivations will be built:
  /nix/store/f8ppj6hcy4qs763l8qgvslxipwb39qwc-flake-inputs.drv
  /nix/store/p68kwwz5lgyxif0vlpgyl6q1704j4hyx-check-flake-inputs.drv
building '/nix/store/f8ppj6hcy4qs763l8qgvslxipwb39qwc-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/f8ppj6hcy4qs763l8qgvslxipwb39qwc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building f8ppj6hcy4qs763l8qgvslxipwb39qwc-flake-inputs.drv
building '/nix/store/p68kwwz5lgyxif0vlpgyl6q1704j4hyx-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/p68kwwz5lgyxif0vlpgyl6q1704j4hyx-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-3e34f16b: building p68kwwz5lgyxif0vlpgyl6q1704j4hyx-check-flake-inputs.drv