History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 433–442 on cea2e2f860c53c99e442fdcd5539db3ff130c788d39f42aff5df5612d1f07c38. 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 433,442:crates/oxy-server/src/lib.rs.