fixing corner case, maybe

src/data_def.rs

@@ -17,16 +17,16 @@ Linux Forensic Harvester
         This tool comes with no warranty or support. 
         If anyone chooses to use it, you accept all responsibility and liability.
 
+This tool must be run as root.
+
 Usage:
   lin_fh [--ip <ip> --port <port>]
   lin_fh [--ip <ip> --port <port>] [--limit]
   lin_fh --limit
   lin_fh --help
-  lin_fh --version
 
 Options:
   -h, --help            Show this screen
-  -v, --version         Show version
   -i, --ip <ip>         IP address to send output to [default: NONE]
   -p, --port <port>     Destination port to send output to [default: 80]
   -l, --limit           Limit CPU use
@@ -47,6 +47,7 @@ struct Args {
     flag_limit: bool
 }
 
+
 lazy_static! { 
     static ref ARGS: Args = Docopt::new(USAGE)
                     .and_then(|d| d.deserialize())

src/main.rs

@@ -540,8 +540,9 @@ fn find_suid_sgid(already_seen: &mut Vec<String>) -> std::io::Result<()> {
 
 fn is_root() {
     if !Uid::effective().is_root() {
-        println!("[WARNING] - Not running as root, cannot collect all telemetry.");
-    }
+        println!("{}", USAGE);
+        std::process::exit(1);
+     }
 }
 
 // let's start this thing