disable LTO - it doesn't seem to be worth it, it makes even tests slower

Author: panstromek

Cargo.toml

@@ -8,7 +8,7 @@ exclude = ["crates/script"]
 
 [profile.release]
 opt-level = 3
-lto = "thin"
+lto = "off"
 overflow-checks = true
 incremental=true
 debug=false