Fix `clippy` #755

Job	Run time
bookrunner	27m 51s
perf	51m 56s
benchcomp-tests	8m 46s
regression (macos-11)	45m 46s
regression (ubuntu-20.04)	34m 42s
regression (ubuntu-22.04)	30m 38s
releasebundle-macos (macos-11)	10m 33s
write-json-symtab-regression	18m 32s
releasebundle-ubuntu	36m 48s
	4h 25m 32s

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