History of DirBackend::open 2 changes

In crates/oxy-server/src/lib.rs, lines 394–403 on 45a6f5ec85cf42c53680f77a63424167eaf5302644f89f304c2b10fb086d6b17. 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 394,403:crates/oxy-server/src/lib.rs.