Apply rustfmt

Reviewed By: zertosh

Differential Revision: D38485159

fbshipit-source-id: 0abdf44561da00697953fe2cb9211ceb5cf27ac0

packer/src/tarsum.rs

@@ -7,11 +7,13 @@
 
 //! Intrinsic hash for a tarball.
 
-use crate::types;
-use anyhow::Result;
 use std::collections;
 use std::io;
 
+use anyhow::Result;
+
+use crate::types;
+
 /// Computes the intrinsic SHA256 checksum of a tar archive.
 pub fn tarsum<R: io::Read>(reader: R) -> Result<types::HashSum> {
     use sha2::Digest;
@@ -46,10 +48,11 @@ fn digest_file<R: io::Read>(reader: &mut R) -> io::Result<types::HashSum> {
 
 #[cfg(test)]
 mod test {
-    use super::*;
     use std::fs;
     use std::path;
 
+    use super::*;
+
     #[test]
     fn test_nested_archive_tarsum() {
         // This is an archive with a nested directory structure.