these 2 derivations will be built:
  /nix/store/jican1frqs4p6jh9y3x384sxl6h7jp6z-flake-inputs.drv
  /nix/store/vwczycxqsmz6wdjs3fdlhnj0jbxiyba3-check-flake-inputs.drv
building '/nix/store/jican1frqs4p6jh9y3x384sxl6h7jp6z-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/jican1frqs4p6jh9y3x384sxl6h7jp6z-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-9a50e053: building jican1frqs4p6jh9y3x384sxl6h7jp6z-flake-inputs.drv
building '/nix/store/vwczycxqsmz6wdjs3fdlhnj0jbxiyba3-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/vwczycxqsmz6wdjs3fdlhnj0jbxiyba3-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-9a50e053: building vwczycxqsmz6wdjs3fdlhnj0jbxiyba3-check-flake-inputs.drv