Format and update test

src/lib.rs

@@ -100,8 +100,7 @@ pub enum ErrorKind {
     #[fail(
         display = "line formatted, but exceeded maximum width \
                    (maximum: {} (see `max_width` option), found: {})",
-        _0,
-        _1
+        _0, _1
     )]
     LineOverflow(usize, usize),
     /// Line ends in whitespace.

tests/target/enum.rs

@@ -256,9 +256,7 @@ pub enum QlError {
     // (kind, input, expected)
     #[fail(
         display = "Could not find {}: Found: {}, expected: {:?}",
-        0,
-        1,
-        2
+        0, 1, 2
     )]
     ResolveError(&'static str, String, Option<String>),
 }