Build

Improve error propagation in tree scan code and handle ENOENT and EACCES gracefully #3958

Job	Run time
libnvme (debian, gcc, release)	57s
cross (armhf)	1m 6s
make static	46s
build libnvme and nvme-cli separately	39s
musl libc build on Alpine	45s
muon minimal static	56s
cross (s390x)	44s
musl libc build on Debian	48s
nvme-cli (debian, gcc, release)	58s
nvme-cli (debian, gcc, debug)	1m 7s
nvme-cli (tumbleweed, gcc, debug)	1m 21s
nvme-cli (fedora, clang, debug)	43s
nvme-cli (tumbleweed, gcc, release)	1m 58s
nvme-cli (debian, clang, release)	58s
nvme-cli (fedora, gcc, release)	51s
nvme-cli (tumbleweed, clang, debug)	45s
cross (ppc64le)	46s
nvme-cli (fedora, clang, release)	56s
nvme-cli (tumbleweed, clang, release)	1m 10s
nvme-cli (fedora, gcc, debug)	40s
nvme-cli (debian, clang, debug)	1m 19s
fallback shared libraries	-1s
	20m 12s

Provide feedback