History of Done::fmt 1 change

In crates/hub/src/maintenance.rs, lines 19–21 on e8e7158bbc737f4bbfd2ca422e6a8b2742f5586a81997c4c439aec7b411139ac. 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 19,21:crates/hub/src/maintenance.rs.