History of gc 5 changes

In src/cli/workspace.rs, lines 1465–1500 on 2cd40ea1c04ce736e8b99f03b5f46b8913016be4e32de748716ce42adea4b0e2. 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 1465,1500:src/cli/workspace.rs.