Remove warnings for missing lower bounds #995

Job	Run time
sdist	9m 54s
macos-aarch64	12m 19s
macos-x86_64	9m 34s
linux (x86_64-unknown-linux-gnu)	8m 26s
linux-arm (aarch64-unknown-linux-gnu, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	11m 5s
linux (i686-unknown-linux-gnu)	11m 9s
windows (x86_64-pc-windows-msvc, x64)	16m 27s
linux-arm (armv7-unknown-linux-gnueabihf, armv7)	10m 52s
linux-arm (arm-unknown-linux-musleabihf, arm)	10m 19s
windows (i686-pc-windows-msvc, x86)	16m 31s
windows (aarch64-pc-windows-msvc, x64)	14m 37s
linux-powerpc (powerpc64le-unknown-linux-gnu, ppc64le, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	11m 35s
linux-s390x (s390x-unknown-linux-gnu, s390x)	13m 58s
linux-powerpc (powerpc64-unknown-linux-gnu, ppc64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	11m 36s
musllinux (x86_64-unknown-linux-musl)	10m 57s
musllinux-cross (aarch64-unknown-linux-musl, aarch64, -e JEMALLOC_SYS_WITH_LG_PAGE=16)	11m 36s
musllinux (i686-unknown-linux-musl)	9m 57s
musllinux-cross (armv7-unknown-linux-musleabihf, armv7)	10m 41s
	3h 31m 33s

Provide feedback