History of build 6 changes

In crates/hub/src/lib.rs, lines 46–70 on 0a56c5313bc09210ec663cf9063603a637c4ad9fccb58992ae09e470dc9b10fd. 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 46,70:crates/hub/src/lib.rs.