these 2 derivations will be built:
  /nix/store/mi0fnzqfld6d6g555885ci7b81xzzwy0-flake-inputs.drv
  /nix/store/4falcqsqflil4nfa0nmyndhqmcsfl9p7-check-flake-inputs.drv
building '/nix/store/mi0fnzqfld6d6g555885ci7b81xzzwy0-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/mi0fnzqfld6d6g555885ci7b81xzzwy0-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-a30baf54: building mi0fnzqfld6d6g555885ci7b81xzzwy0-flake-inputs.drv
building '/nix/store/4falcqsqflil4nfa0nmyndhqmcsfl9p7-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/4falcqsqflil4nfa0nmyndhqmcsfl9p7-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-a30baf54: building 4falcqsqflil4nfa0nmyndhqmcsfl9p7-check-flake-inputs.drv