test

Immer persist #431

Job	Run time
docs	1m 8s
build	53s
build-spm	16s
check (Debug, gnu-6, 14)	3m 7s
check (Debug, gnu-7, 14)	3m 2s
check (Debug, llvm-5, 14)	2m 38s
check (Debug, llvm-6, 14)	2m 45s
check (Release, gnu-6, 14)	3m 47s
check (Release, gnu-7, 14)	3m 41s
check (Release, llvm-5, 14)	3m 53s
check (Release, llvm-6, 14)	4m 10s
check (Debug, gnu-9, 14, coverage)	4m 10s
check (Debug, gnu-8, 17)	3m 13s
check (Debug, llvm-9, 17, fuzzers)	4m 3s
check (Debug, gnu-11, 20)	3m 30s
check (Debug, llvm-13, 20)	3m 11s
check (Debug, llvm-8, 14, sanitize)	3m 54s
check (Release, gnu-9, 14, benchmark)	18m 58s
check (Release, llvm-10, 14, benchmark)	19m 17s
	1h 29m 36s

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