diff -r 257b296169a8 -r bb2f301d4fe0 rust/integral-geometry/Cargo.toml
--- a/rust/integral-geometry/Cargo.toml	Tue Nov 13 16:54:40 2018 +0100
+++ b/rust/integral-geometry/Cargo.toml	Tue Nov 13 20:01:43 2018 +0300
@@ -2,6 +2,7 @@
 name = "integral-geometry"
 version = "0.1.0"
 authors = ["Andrey Korotaev <a.korotaev@hedgewars.org>"]
+edition = "2018"
 
 [dependencies]
 fpnum = { path = "../fpnum" }