Handle drun stdin lines being invalid utf8

Author: Kn4ughty

src/main.rs

@@ -67,7 +67,14 @@ impl State {
                 let stdin = std::io::stdin();
                 let mut lines = Vec::new();
                 for line in stdin.lines() {
-                    lines.push(line.expect("Can read line from stdin"));
+                    if let Ok(line_ok) = line {
+                        lines.push(line_ok);
+                    } else {
+                        log::warn!(
+                            "Line was not valid utf8!! {:?}",
+                            line.expect_err("unreachable")
+                        )
+                    }
                 }
                 Box::new(Drun::new(lines))
             }),