Set rustfmt broken while waiting for the update of their side

GuillaumeGomez · GuillaumeGomez · commit b46c014cd33c · 2017-10-24T20:44:02.000+02:00
diff --git a/src/tools/toolstate.toml b/src/tools/toolstate.toml
@@ -32,4 +32,4 @@ clippy = "Broken"
 rls = "Testing"
 
 # ping @nrc
-rustfmt = "Testing"
+rustfmt = "Broken"
