History of gc 5 changes

In src/cli/workspace.rs, lines 1044–1079 on f9466021286acf2f71279531153458910c82632bd1b8749c3788693a52fc89e2. 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 1044,1079:src/cli/workspace.rs.