History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 331–349 on 336c953a020f9376fcc43f205e1d11763241c476674d6211fcf37a9562c329b3. 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 331,349:crates/hub/src/protocol.rs.