From f5b6dd622f2999db0a116b4c1978da345c49e149 Mon Sep 17 00:00:00 2001
From: Sebastian Puetz <sebastian.puetz@student.uni-tuebingen.de>
Date: Wed, 29 May 2019 10:26:51 +0200
Subject: [PATCH] Fix compiler warning.

https://github.com/rust-lang/rust/issues/59159
---
 src/graph.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/graph.rs b/src/graph.rs
index 559d7f6..f53c124 100644
--- a/src/graph.rs
+++ b/src/graph.rs
@@ -487,7 +487,8 @@ impl<'a> DepGraphMut<'a> {
         {
             Some(edge) => {
                 let head = edge.source().index();
-                let weight = self.inner.remove_edge(edge.id());
+                let edge_id = edge.id();
+                let weight = self.inner.remove_edge(edge_id);
                 Some(DepTriple::new(head, weight.unwrap().1, dependent))
             }
             None => None,