Compiled, but programs do nothing and quit immediately about raphters HOT 5 CLOSED

system in build/ on master 
› spawn-fcgi -p 4000 ./simple
spawn-fcgi: child exited with: 1

system in build/ on master 
› sudo spawn-fcgi -p 5678 simple    
spawn-fcgi: child exited with: 1

events {
  worker_connections 1024;
}

http {
  server {
    listen 80;
    server_name localhost;

    location / {
      fastcgi_pass   127.0.0.1:9000;

      fastcgi_param  GATEWAY_INTERFACE  CGI/1.1;
      fastcgi_param  SERVER_SOFTWARE    nginx;
      fastcgi_param  QUERY_STRING       $query_string;
      fastcgi_param  REQUEST_METHOD     $request_method;
      fastcgi_param  CONTENT_TYPE       $content_type;
      fastcgi_param  CONTENT_LENGTH     $content_length;
      fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
      fastcgi_param  SCRIPT_NAME        $fastcgi_script_name;
      fastcgi_param  REQUEST_URI        $request_uri;
      fastcgi_param  DOCUMENT_URI       $document_uri;
      fastcgi_param  DOCUMENT_ROOT      $document_root;
      fastcgi_param  SERVER_PROTOCOL    $server_protocol;
      fastcgi_param  REMOTE_ADDR        $remote_addr;
      fastcgi_param  REMOTE_PORT        $remote_port;
      fastcgi_param  SERVER_ADDR        $server_addr;
      fastcgi_param  SERVER_PORT        $server_port;
      fastcgi_param  SERVER_NAME        $server_name;
      fastcgi_param  PATH_INFO          $fastcgi_script_name;
    }
  }
}

mkdir build
cd build
cmake ../
make

spawn-fcgi -p 9000 ./simple -n # in one terminal
sudo nginx -p ./ -c nginx.conf # in another terminal