only issue `logChecker` messages when necessary #19696

Job	Run time
build_make (ubuntu:25.10)	5m 3s
build_cmake (alpine:3.23, false, false)	4m 20s
build_make (alpine:3.23)	5m 56s
build_make (ubuntu:24.04)	4m 33s
build_cmake (ubuntu:25.10, true, true)	5m 23s
build_cmake (ubuntu:24.04, true, true)	4m 47s
	30m 2s

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