remove '\r'

kernel/src/logging.rs

@@ -30,8 +30,8 @@ macro_rules! print {
 
 #[macro_export]
 macro_rules! println {
-    ($fmt:expr) => (print!(concat!($fmt, "\r\n")));
-    ($fmt:expr, $($arg:tt)*) => (print!(concat!($fmt, "\r\n"), $($arg)*));
+    ($fmt:expr) => (print!(concat!($fmt, "\n")));
+    ($fmt:expr, $($arg:tt)*) => (print!(concat!($fmt, "\n"), $($arg)*));
 }
 
 /// Add escape sequence to print with color in Linux console
@@ -67,7 +67,7 @@ impl Log for SimpleLogger {
         if self.enabled(record.metadata()) && !DISABLED_TARGET.contains(&record.target()) {
 //            let target = record.target();
 //            let begin = target.as_bytes().iter().rposition(|&c| c == b':').map(|i| i + 1).unwrap_or(0);
-            print_in_color(format_args!("[{:>5}] {}\r\n", record.level(), record.args()), Color::from(record.level()));
+            print_in_color(format_args!("[{:>5}] {}\n", record.level(), record.args()), Color::from(record.level()));
         }
     }
     fn flush(&self) {}