History of topic::user 1 change

In crates/hub/src/events.rs, lines 59–61 on 244724133fedb94ae25b96dea27e95115c271a8e47c09f52dca574dd9fd5eee1. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 59,61:crates/hub/src/events.rs.