these 2 derivations will be built:
  /nix/store/7fx189mqmqzy4nl701c2yxirkchcyq3j-flake-inputs.drv
  /nix/store/i9qw2lmydkql0vxjd31yj9wic5p7ka9z-check-flake-inputs.drv
building '/nix/store/7fx189mqmqzy4nl701c2yxirkchcyq3j-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/7fx189mqmqzy4nl701c2yxirkchcyq3j-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building 7fx189mqmqzy4nl701c2yxirkchcyq3j-flake-inputs.drv
building '/nix/store/i9qw2lmydkql0vxjd31yj9wic5p7ka9z-check-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/i9qw2lmydkql0vxjd31yj9wic5p7ka9z-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building i9qw2lmydkql0vxjd31yj9wic5p7ka9z-check-flake-inputs.drv