History of Host::open 1 change

In crates/oxy-server/tests/http.rs, lines 914–918 on v0.5.1. 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 914,918:crates/oxy-server/tests/http.rs.