History of transient 1 change

In crates/flow/src/runner.rs, lines 1277–1294 on 4be5e4cd0af6bd874d3df14b8a2a2a34797ecdc09d26d0ab1084f7c9fefc45e3. 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 1277,1294:crates/flow/src/runner.rs.