History of Done::fmt 1 change

In crates/hub/src/maintenance.rs, lines 19–21 on 4cc40ccc603474d774ca8dd90027e1728740d3c64a3d352e02bdb7e0c03e6e68. 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.