History of Host::open 1 change

In crates/oxy-server/tests/http.rs, lines 1085–1089 on v0.10.0. 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 1085,1089:crates/oxy-server/tests/http.rs.