these 2 derivations will be built:
  /nix/store/7wz9h5kqk2zkhcdblminb6gwwhaas70i-flake-inputs.drv
  /nix/store/4dx8pv5lc8vk3q15dmlwp6vvw9kvrbsr-check-flake-inputs.drv
building '/nix/store/7wz9h5kqk2zkhcdblminb6gwwhaas70i-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/7wz9h5kqk2zkhcdblminb6gwwhaas70i-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building 7wz9h5kqk2zkhcdblminb6gwwhaas70i-flake-inputs.drv
building '/nix/store/4dx8pv5lc8vk3q15dmlwp6vvw9kvrbsr-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/4dx8pv5lc8vk3q15dmlwp6vvw9kvrbsr-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-3e34f16b: building 4dx8pv5lc8vk3q15dmlwp6vvw9kvrbsr-check-flake-inputs.drv