Not sure when it stopped working but under the October 2026 Rust update, it gives this:

10/30 2:49:46 PM | Failed compiling 'ZoneManagerTime.cs':
10/30 2:49:46 PM | 1. Argument 1: cannot convert from 'Network.NetWrite' to 'BufferStream' [CS1503]
(ZoneManagerTime 46 line 157)