History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 297–315 on 89e89836cae7cc0b392a8a507ad38131ac4a3dbd1f8724d77372878f8e9f6f73. 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.