History of run 1 change

In src/main.rs, lines 86–213 on 55e5a16a2b9cecc868423abd9b2b7bdc3235d6304fb1aeb9986eb945d7f34103. 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 86,213:src/main.rs.