Rust release milestone predictions

brson June 1, 2017, 8:45pm 51

Bumped RLS to 1.20

Topic		Replies	Views	Activity
Concerned about Rust 2018 stability	17	4842	March 25, 2019
Rust 2018 All Hands!	38	11541	March 25, 2019
Survey of unstable standard library features libs	12	8289	March 25, 2019
Survey of "High Impact" Features	26	3027	August 2, 2021
Announcing Rust 2018 Preview 2! announcements	28	14735	March 25, 2019