Homological Algebra: Diagram chasing in practice #3958

Job	Run time
quick-build (dev, ubuntu-latest)	12m 25s
quick-build (9.1, ubuntu-latest)	3m 17s
build (9.1)	31m 43s
nix	2m 25s
quick-build (9.0, ubuntu-latest)	3m 16s
opam-build (9.0, ubuntu-latest)	4m 21s
build (9.0)	3m 19s
opam-build (dev, ubuntu-latest)	4m 15s
build (dev, --warnings)	3m 26s
opam-build (9.1, ubuntu-latest)	4m 17s
install (dev)	2m 1s
coqchk (dev)	2m 1s
coqchk (9.0)	1m 36s
coqchk (9.1)	5m 23s
doc-alectryon	12m 14s
doc-timing	5m 15s
install (9.1)	1m 28s
doc-coqdoc	2m 57s
install (9.0)	1m 40s
doc-dep-graphs	11m 13s
delete-artifacts	11s
deploy-doc	0s
	1h 58m 43s

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