diff --git a/src/macros.rs b/src/macros.rs
index 240a33773c0a..ffc6a7a66dc7 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -1186,7 +1186,10 @@ fn next_space(tok: &TokenKind) -> SpaceState {
 /// Tries to convert a macro use into a short hand try expression. Returns `None`
 /// when the macro is not an instance of `try!` (or parsing the inner expression
 /// failed).
-pub(crate) fn convert_try_mac(mac: &ast::MacCall, context: &RewriteContext<'_>) -> Option<ast::Expr> {
+pub(crate) fn convert_try_mac(
+    mac: &ast::MacCall,
+    context: &RewriteContext<'_>,
+) -> Option<ast::Expr> {
     let path = &pprust::path_to_string(&mac.path);
     if path == "try" || path == "r#try" {
         let ts = mac.args.inner_tokens();
diff --git a/src/modules.rs b/src/modules.rs
index b7e110d60135..4ea41cd14f49 100644
--- a/src/modules.rs
+++ b/src/modules.rs
@@ -251,11 +251,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
             if self.parse_sess.is_file_parsed(&path) {
                 return Ok(None);
             }
-            return match Parser::parse_file_as_module(
-                self.parse_sess,
-                &path,
-                sub_mod.inner,
-            ) {
+            return match Parser::parse_file_as_module(self.parse_sess, &path, sub_mod.inner) {
                 Some(m) => Ok(Some(SubModKind::External(
                     path,
                     DirectoryOwnership::Owned { relative: None },
@@ -293,16 +289,10 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
                         return Ok(Some(SubModKind::MultiExternal(mods_outside_ast)));
                     }
                 }
-                match Parser::parse_file_as_module(
-                    self.parse_sess,
-                    &path,
-                    sub_mod.inner,
-                ) {
-                    Some(m) if outside_mods_empty => Ok(Some(SubModKind::External(
-                        path,
-                        ownership,
-                        Cow::Owned(m),
-                    ))),
+                match Parser::parse_file_as_module(self.parse_sess, &path, sub_mod.inner) {
+                    Some(m) if outside_mods_empty => {
+                        Ok(Some(SubModKind::External(path, ownership, Cow::Owned(m))))
+                    }
                     Some(m) => {
                         mods_outside_ast.push((path.clone(), ownership, Cow::Owned(m)));
                         if should_insert {
@@ -319,7 +309,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
                             mods_outside_ast.push((path, ownership, sub_mod.clone()));
                         }
                         Ok(Some(SubModKind::MultiExternal(mods_outside_ast)))
-                    },
+                    }
                 }
             }
             Err(mut e) if !mods_outside_ast.is_empty() => {
@@ -385,11 +375,8 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> {
                 ));
                 continue;
             }
-            let m = match Parser::parse_file_as_module(
-                self.parse_sess,
-                &actual_path,
-                sub_mod.inner,
-            ) {
+            let m = match Parser::parse_file_as_module(self.parse_sess, &actual_path, sub_mod.inner)
+            {
                 Some(m) => m,
                 None => continue,
             };
diff --git a/src/patterns.rs b/src/patterns.rs
index 0c57f111761b..1f13fa6db602 100644
--- a/src/patterns.rs
+++ b/src/patterns.rs
@@ -231,7 +231,9 @@ impl Rewrite for Pat {
             PatKind::Struct(ref path, ref fields, ellipsis) => {
                 rewrite_struct_pat(path, fields, ellipsis, self.span, context, shape)
             }
-            PatKind::MacCall(ref mac) => rewrite_macro(mac, None, context, shape, MacroPosition::Pat),
+            PatKind::MacCall(ref mac) => {
+                rewrite_macro(mac, None, context, shape, MacroPosition::Pat)
+            }
             PatKind::Paren(ref pat) => pat
                 .rewrite(context, shape.offset_left(1)?.sub_width(1)?)
                 .map(|inner_pat| format!("({})", inner_pat)),
diff --git a/src/syntux/parser.rs b/src/syntux/parser.rs
index 7859c9e38aae..91f9def15cbe 100644
--- a/src/syntux/parser.rs
+++ b/src/syntux/parser.rs
@@ -168,7 +168,7 @@ impl<'a> Parser<'a> {
         path: &Path,
         span: Span,
     ) -> Option<ast::Mod> {
-            let result = catch_unwind(AssertUnwindSafe(|| {
+        let result = catch_unwind(AssertUnwindSafe(|| {
             let mut parser = new_parser_from_file(sess.inner(), &path, Some(span));
 
             let lo = parser.token.span;
@@ -241,9 +241,7 @@ impl<'a> Parser<'a> {
         sess: &'a ParseSess,
         mac: &'a ast::MacCall,
     ) -> Result<Vec<ast::Item>, &'static str> {
-        match catch_unwind(AssertUnwindSafe(|| {
-            Parser::parse_cfg_if_inner(sess, mac)
-        })) {
+        match catch_unwind(AssertUnwindSafe(|| Parser::parse_cfg_if_inner(sess, mac))) {
             Ok(Ok(items)) => Ok(items),
             Ok(err @ Err(_)) => err,
             Err(..) => Err("failed to parse cfg_if!"),
@@ -255,7 +253,8 @@ impl<'a> Parser<'a> {
         mac: &'a ast::MacCall,
     ) -> Result<Vec<ast::Item>, &'static str> {
         let token_stream = mac.args.inner_tokens();
-        let mut parser = rustc_parse::stream_to_parser(sess.inner(),token_stream.clone(),Some(""));
+        let mut parser =
+            rustc_parse::stream_to_parser(sess.inner(), token_stream.clone(), Some(""));
 
         let mut items = vec![];
         let mut process_if_cfg = true;