diff --git a/V1/led5/src/main.rs b/V1/led5/src/main.rs
index df47b06..ab91e63 100644
--- a/V1/led5/src/main.rs
+++ b/V1/led5/src/main.rs
@@ -24,8 +24,8 @@ static GPIO_LED_ON: &'static str = "0";
 static GPIO_LED_OFF: &'static str = "1";
 
 fn write(path: &str, value: &str) {
-    let mut file = File::create(Path::new(path))
-        .expect(format!("Open file '{}' failed", path).as_str());
+    let mut file = File::create(Path::new(path)).expect(format!("Open file '{}' failed", path)
+                                                            .as_str());
 
     file.write_all(value.as_bytes())
         .expect(format!("Write value '{}' to '{}' file failed", value, path).as_str());
@@ -34,8 +34,8 @@ fn write(path: &str, value: &str) {
     println!("Wrote value '{}' to '{}'.", value, path);
 }
 fn read(path: &str) -> String {
-    let mut file = File::open(Path::new(path))
-        .expect(format!("Open file '{}' failed", path).as_str());
+    let mut file = File::open(Path::new(path)).expect(format!("Open file '{}' failed", path)
+                                                          .as_str());
     let mut contents = String::new();
 
     file.read_to_string(&mut contents)
@@ -55,11 +55,13 @@ fn unexport(port: &str) {
 }
 
 fn set_direction(port: &str, direction: &str) {
-    write(format!("/sys/class/gpio/gpio{}/direction", port).as_str(), direction);
+    write(format!("/sys/class/gpio/gpio{}/direction", port).as_str(),
+          direction);
 }
 
 fn set_value(port: &str, value: &str) {
-    write(format!("/sys/class/gpio/gpio{}/value", port).as_str(), value);
+    write(format!("/sys/class/gpio/gpio{}/value", port).as_str(),
+          value);
 }
 fn get_value(port: &str) -> String {
     String::from(read(format!("/sys/class/gpio/gpio{}/value", port).as_str()).trim())
diff --git a/V2/sleep/src/main.rs b/V2/sleep/src/main.rs
index 7ed1183..7bb508e 100644
--- a/V2/sleep/src/main.rs
+++ b/V2/sleep/src/main.rs
@@ -98,13 +98,19 @@ fn main() {
     {
         let mut ap = ArgumentParser::new();
         ap.set_description(env!("CARGO_PKG_DESCRIPTION"));
-        ap.refer(&mut min).add_option(&["--min"], Store, "Sleep period start");
-        ap.refer(&mut max).add_option(&["--max"], Store, "Sleep period end");
-        ap.refer(&mut step).add_option(&["--step"], Store, "Sleep period step size");
-        ap.refer(&mut count).add_option(&["--loop"], Store, "Count of measurements per period");
+        ap.refer(&mut min)
+            .add_option(&["--min"], Store, "Sleep period start");
+        ap.refer(&mut max)
+            .add_option(&["--max"], Store, "Sleep period end");
+        ap.refer(&mut step)
+            .add_option(&["--step"], Store, "Sleep period step size");
+        ap.refer(&mut count)
+            .add_option(&["--loop"], Store, "Count of measurements per period");
         #[cfg(target_os = "linux")]
-        ap.refer(&mut realtime).add_option(&["--rt"], StoreTrue, "Set realtime priority");
-        ap.refer(&mut output).add_option(&["-o", "--out"], Store, "Output file");
+        ap.refer(&mut realtime)
+            .add_option(&["--rt"], StoreTrue, "Set realtime priority");
+        ap.refer(&mut output)
+            .add_option(&["-o", "--out"], Store, "Output file");
         ap.add_option(&["-V", "--version"],
                       Print(env!("CARGO_PKG_VERSION").to_string()),
                       "Show version");
@@ -141,10 +147,9 @@ fn main() {
         match file.as_ref() {
             Some(mut f) => {
                 let value = format!("{: >9} {}\n", duration, duration_to_ns(max_delay.1));
-                f.write_all(value.as_bytes()).expect(format!("Write value '{}' to '{}' file failed",
-                                                             value,
-                                                             output)
-                                                             .as_str());
+                f.write_all(value.as_bytes())
+                    .expect(format!("Write value '{}' to '{}' file failed", value, output)
+                                .as_str());
             }
             None => {}
         }