History of dispatch 2 changes

In crates/hub/src/protocol.rs, lines 252–270 on 46b5e2c59c6be7cf63ceafffe1e15a75044144a7bba40e6e48058a91ccccbc80. 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 252,270:crates/hub/src/protocol.rs.