Homological Algebra: Diagram chasing in practice #3959

Job	Run time
nix	2m 16s
quick-build (dev, ubuntu-latest)	3m 21s
quick-build (9.1, ubuntu-latest)	3m 19s
opam-build (9.1, ubuntu-latest)	4m 28s
build (dev, --warnings)	3m 54s
quick-build (9.0, ubuntu-latest)	3m 16s
build (9.1)	3m 20s
opam-build (dev, ubuntu-latest)	4m 15s
build (9.0)	3m 18s
opam-build (9.0, ubuntu-latest)	4m 13s
doc-alectryon	12m 5s
coqchk (9.0)	1m 36s
install (9.0)	1m 45s
doc-dep-graphs	7m 41s
doc-coqdoc	1m 46s
coqchk (9.1)	1m 35s
coqchk (dev)	2m 0s
doc-timing	1m 46s
install (9.1)	1m 36s
install (dev)	1m 51s
delete-artifacts	10s
deploy-doc	0s
	1h 9m 31s

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