USE COROUTINES #1202

Job	Run time
macOS [UBSAN] [lmdb \| clang]	48m 30s
Linux [UBSAN] [lmdb \| clang]	46m 4s
macOS [ASAN] [lmdb \| clang]	22m 48s
Linux [ASAN] [lmdb \| clang]	42m 36s
macOS [TSAN] [lmdb \| clang]	30m 27s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	43m 46s
macOS [UBSAN] [rocksdb \| clang]	1h 11m 8s
Linux [TSAN] [lmdb \| clang]	45m 8s
macOS [ASAN] [rocksdb \| clang]	1h 8m 51s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	41m 29s
macOS [TSAN] [rocksdb \| clang]	1h 4m 57s
Linux [UBSAN] [rocksdb \| clang]	1h 22m 35s
Linux [ASAN] [rocksdb \| clang]	1h 20m 56s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	1h 22m 40s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	1h 21m 27s
	14h 13m 22s

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