History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 230–248 on 67b24adbf35ad837aba115aadba8fac7993f2ccb4e7362d60505d2cc28b7cbee. 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 230,248:crates/hub/src/protocol.rs.