--- a/rust/landgen/src/lib.rs	Wed Oct 17 23:02:18 2018 +0200
+++ b/rust/landgen/src/lib.rs	Thu Oct 18 06:46:32 2018 +0300
@@ -1,5 +1,7 @@
 mod outline;
 
+extern crate integral_geometry;
+
 #[cfg(test)]
 mod tests {
     #[test]