History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 244–262 on 1966661b1880eb65b7662730b9e609f06d0cbe16dddba1e9a8be8599f5296079. 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 244,262:crates/hub/src/protocol.rs.