diff --git a/rust/src/lockfile.rs b/rust/src/lockfile.rs
index 1b4c47b716..b1b07a9863 100644
--- a/rust/src/lockfile.rs
+++ b/rust/src/lockfile.rs
@@ -17,6 +17,7 @@
  */
 
 use c_utf8::CUtf8Buf;
+use serde_derive::{Deserialize, Serialize};
 use serde_json;
 use serde_yaml;
 use std::collections::HashMap;
@@ -31,6 +32,7 @@ pub struct Lockfile {
     serialized: CUtf8Buf
 }
 
+#[derive(PartialEq)]
 enum InputFormat {
     YAML,
     JSON,
@@ -251,10 +253,11 @@ packages:
 
 mod ffi {
     use super::*;
-    use ffiutil::*;
     use glib_sys;
     use libc;
 
+    use crate::ffiutil::*;
+
     #[no_mangle]
     pub extern "C" fn ror_lockfile_new(
         filename: *const libc::c_char,