Memory usage reporting for FreeBSD is incorrect #4658

Job	Run time
build-freebsd-latest-clang	1m 58s
build-dragonflybsd-latest-gcc	2m 26s
build-netbsd-latest-gcc	2m 51s
build-openbsd-latest-clang	2m 33s
build-macos-latest-clang	37s
build-solaris-latest-gcc	6m 3s
build-ubuntu-latest-clang-sanitizer	1m 6s
build-ubuntu-latest-full-featured-clang	1m 5s
build-ubuntu-latest-clang-analyzer	1m 15s
build-ubuntu-latest-full-featured-gcc	52s
build-ubuntu-latest-gcc-static	50s
build-ubuntu-latest-minimal-clang	1m 8s
build-ubuntu-latest-minimal-gcc	36s
build-ubuntu-latest-pcp	24s
lint-pcp-config	2s
lint-whitespace	3s
	23m 49s

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