History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 369–387 on d7d182467382d2aa9551464dae4e326c45a0c0abae89114d9a24067691da852b. 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 369,387:crates/hub/src/protocol.rs.