Rust 1.15 release status

brson January 19, 2017, 7:00pm 12

Thank you @semarie! I will attempt to backport.

Topic		Replies	Views	Activity
Rust 1.15 prerelease testing	11	2186	March 25, 2019
Rust 1.18 release status	6	2582	March 25, 2019
Rust 1.15.1 release postmortem	9	2257	March 25, 2019
Rust 1.17 release status	1	2470	March 25, 2019
Rust 1.6 regression watch	2	2095	March 25, 2019