History of HubBackend::open 3 changes

In crates/hub/src/protocol.rs, lines 118–131 on v0.5.2. 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 118,131:crates/hub/src/protocol.rs.