Merge pull request #2838 from nrc/chains

Refactor chain formatting and fix some bugs

Author: nrc

src/bin/main.rs

@@ -422,8 +422,7 @@ fn determine_operation(matches: &Matches) -> Result<Operation, ErrorKind> {
             // we will do comparison later, so here tries to canonicalize first
             // to get the expected behavior.
             p.canonicalize().unwrap_or(p)
-        })
-        .collect();
+        }).collect();
 
     Ok(Operation::Format {
         files,

src/cargo-fmt/main.rs

@@ -163,8 +163,7 @@ fn format_crate(
             if verbosity == Verbosity::Verbose {
                 println!("[{}] {:?}", t.kind, t.path)
             }
-        })
-        .map(|t| t.path)
+        }).map(|t| t.path)
         .collect();
 
     run_rustfmt(&files, &rustfmt_args, verbosity)