trigger doctests #2019

Job	Run time
ensure doc tests are run, (and any other tests implied)	1m 8s
Reject trailing whitespace	8s
cargo-checkmate / Cache checkmate	9s
test / Build test artifacts	5m 36s
cargo-checkmate / Cargo checkmate (build)	3m 17s
cargo-checkmate / Cargo checkmate (check)	2m 6s
cargo-checkmate / Cargo checkmate (clippy)	2m 27s
cargo-checkmate / Cargo checkmate (doc)	3m 11s
cargo-checkmate / Cargo checkmate (format)	19s
test / Run tests (1)	2m 1s
test / Run tests (2)	2m 12s
test / Run tests (3)	2m 12s
test / Run tests (4)	2m 9s
test / Run tests (5)	1m 28s
test / Run tests (6)	1m 49s
test / Run tests (7)	2m 7s
test / Run tests (8)	2m 14s
	34m 33s

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