Periodically report memory usage #5617

Job	Run time
Slow tests	19m 13s
Additional Builds and Concurrency Tests	16m 51s
Measure coverage	29m 3s
miri	3m 9s
Basic Checks	19m 48s
Release builds and tests	10m 25s
sanitize (address)	17m 51s
sanitize (address, multi-threading)	20m 34s
sanitize (leak)	7m 58s
sanitize (leak, multi-threading)	8m 35s
	2h 33m 27s

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