History of plain 1 change

In crates/hub/src/tlog.rs, lines 754–756 on 8ad8e656a3a654690a1c7577e34a8a744611e1a0119167bc3209cd5c87c18787. 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 754,756:crates/hub/src/tlog.rs.