Build

clippy: add clippy::must_use_candidate #251

Job	Run time
network_tests	35s
style_checks	23s
build_library_msrv	2m 0s
build_binary (macos-latest, 1.74.1)	1m 46s
tests	31s
build_binary (macos-latest, stable)	1m 55s
build_binary (macos-latest, nightly)	1m 40s
build_binary (ubuntu-latest, 1.74.1)	1m 31s
build_binary (ubuntu-latest, stable)	1m 33s
build_binary (ubuntu-latest, nightly)	1m 28s
build_binary (windows-latest, 1.74.1)	3m 11s
build_binary (windows-latest, stable)	3m 46s
build_binary (windows-latest, nightly)	3m 42s
	24m 1s

Provide feedback