test

Immer persist #449

Job	Run time
build	21m 14s
check (Debug, gnu-6, 14)	3m 1s
build-spm	22s
check (Debug, gnu-7, 14)	3m 9s
docs	1m 9s
check (Debug, llvm-5, 14)	2m 45s
check (Debug, llvm-6, 14)	2m 52s
check (Release, gnu-6, 14)	3m 53s
check (Release, gnu-7, 14)	3m 51s
check (Release, llvm-5, 14)	3m 58s
check (Release, llvm-6, 14)	4m 21s
check (Debug, gnu-9, 14, coverage)	4m 7s
check (Debug, gnu-8, 17)	3m 8s
check (Debug, llvm-9, 17, fuzzers)	4m 9s
check (Debug, gnu-11, 20)	3m 32s
check (Debug, llvm-13, 20)	3m 8s
check (Debug, llvm-8, 14, sanitize)	3m 53s
check (Release, gnu-9, 14, benchmark)	18m 39s
check (Release, llvm-10, 14, benchmark)	18m 57s
	1h 50m 8s

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