Remove warnings

src/elements/command.rs

@@ -59,7 +59,7 @@ pub trait Command {
             Ok(ForkResult::Child) => {
                 core.initialize_as_subshell(Pid::from_raw(0), pipe.pgid);
                 io::connect(pipe, self.get_redirects(), core);
-                self.run(core, true);
+                let _ = self.run(core, true);
                 exit::normal(core)
             },
             Ok(ForkResult::Parent { child } ) => {
@@ -73,7 +73,7 @@ pub trait Command {
 
     fn nofork_exec(&mut self, core: &mut ShellCore) -> Result<Option<Pid>, ExecError> {
         if self.get_redirects().iter_mut().all(|r| r.connect(true, core)){
-            self.run(core, false);
+            let _ = self.run(core, false);
         }else{
             core.db.exit_status = 1;
         }

src/elements/command/simple.rs

@@ -54,7 +54,7 @@ impl Command for SimpleCommand {
 
         if core.db.functions.contains_key(&self.args[0]) {
             let mut f = core.db.functions[&self.args[0]].clone();
-            f.run_as_command(&mut self.args, core);
+            let _ = f.run_as_command(&mut self.args, core);
         } else if core.builtins.contains_key(&self.args[0]) {
             let mut special_args = self.substitutions_as_args.iter()
                                        .map(|a| a.text.clone()).collect();

src/feeder/terminal/completion.rs

@@ -86,7 +86,7 @@ impl Terminal {
 
                 if let Ok(Some(mut a)) = SimpleCommand::parse(&mut feeder, core) {
                     let mut dummy = Pipe::new("".to_string());
-                    a.exec(core, &mut dummy);
+                    let _ = a.exec(core, &mut dummy);
                 }
                 match core.db.len("COMPREPLY") {
                     0 => Err("no completion cand".to_string()),

test/ok

@@ -1,7 +1,7 @@
 ./test_script.bash
 ./test_options.bash
-./test_glob.bash
 ./test_redirects.bash
+./test_glob.bash
 ./test_brace.bash
 ./test_builtins.bash
 ./test_others.bash