History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 331–349 on a024e800af4ef944dad7c3b22853686c9006caec86e0606236118fb03a702942. 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.