History of ticket 1 change

In crates/hub/src/swarm.rs, lines 147–162 on v0.9.15. 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 147,162:crates/hub/src/swarm.rs.