History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 297–315 on 7d2eb590051f51c5d696dc8ff46634b4ca1ac390313a554d3efacbb8a6bab663. 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.