History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 187–205 on 18e381ea88c294f19fcb8b14534e79555c91d2145018a7ed15b7a5787aa92f2d. 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 187,205:crates/hub/src/protocol.rs.