History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 297–315 on 8933faff204360bab79c77fe01773fae1c7121c4b7dd71c54e4ba0effd8a8e97. 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 297,315:crates/hub/src/protocol.rs.