History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 349–367 on 554ccacfc123b0c6b3170f3a6154a80ed3e5488d06809ffe4c5aadeacbf261cb. 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 349,367:crates/hub/src/protocol.rs.