Fix fmt.

tests/test_round_trip.rs

@@ -39,8 +39,12 @@ fn test_colon_in_string() {
 #[test]
 fn test_numberlike_strings() {
     let docs = [
-        r#"x: "1234""#, r#"x: "01234""#, r#""1234""#,
-        r#""01234""#, r#"" 01234""#, r#""0x1234""#,
+        r#"x: "1234""#,
+        r#"x: "01234""#,
+        r#""1234""#,
+        r#""01234""#,
+        r#"" 01234""#,
+        r#""0x1234""#,
         r#"" 0x1234""#,
     ];
 
@@ -53,13 +57,14 @@ fn test_numberlike_strings() {
 /// Example from https://github.com/chyh1990/yaml-rust/issues/133
 #[test]
 fn test_issue133() {
-
-    let doc = YamlLoader::load_from_str("\"0x123\"").unwrap().pop().unwrap();
+    let doc = YamlLoader::load_from_str("\"0x123\"")
+        .unwrap()
+        .pop()
+        .unwrap();
     assert_eq!(doc, Yaml::String("0x123".to_string()));
 
     let mut out_str = String::new();
     YamlEmitter::new(&mut out_str).dump(&doc).unwrap();
     let doc2 = YamlLoader::load_from_str(&out_str).unwrap().pop().unwrap();
     assert_eq!(doc, doc2); // This failed because the type has changed to a number now
-
 }