these 2 derivations will be built:
  /nix/store/y9006nhp6cnss154kk0c9hrs2fczrfp6-flake-inputs.drv
  /nix/store/hkfhfj7jkwqvy2gkpl4nrwf6l6xr3y14-check-flake-inputs.drv
building '/nix/store/y9006nhp6cnss154kk0c9hrs2fczrfp6-flake-inputs.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/y9006nhp6cnss154kk0c9hrs2fczrfp6-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> elastic-arm-23d67df9: building y9006nhp6cnss154kk0c9hrs2fczrfp6-flake-inputs.drv
building '/nix/store/hkfhfj7jkwqvy2gkpl4nrwf6l6xr3y14-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/hkfhfj7jkwqvy2gkpl4nrwf6l6xr3y14-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> elastic-arm-23d67df9: building hkfhfj7jkwqvy2gkpl4nrwf6l6xr3y14-check-flake-inputs.drv