these 2 derivations will be built:
  /nix/store/7piy41xw13f751ikh9yyh3fr2pfmy6ji-flake-inputs.drv
  /nix/store/hk7gl6w6p9arfxcygm4hxrpri8gp6i8b-check-flake-inputs.drv
building '/nix/store/7piy41xw13f751ikh9yyh3fr2pfmy6ji-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/7piy41xw13f751ikh9yyh3fr2pfmy6ji-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-26b08a17: building 7piy41xw13f751ikh9yyh3fr2pfmy6ji-flake-inputs.drv
building '/nix/store/hk7gl6w6p9arfxcygm4hxrpri8gp6i8b-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/hk7gl6w6p9arfxcygm4hxrpri8gp6i8b-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-26b08a17: building hk7gl6w6p9arfxcygm4hxrpri8gp6i8b-check-flake-inputs.drv