Unify nightly component unavailable messages #3784

Job	Run time
build-macos-x86_64 (release, x86_64-apple-darwin)	8m 21s
build-macos-x86_64 (dev, x86_64-apple-darwin)	17m 45s
build-macos-aarch64 (release, aarch64-apple-darwin)	7m 7s
build-macos-aarch64 (dev, aarch64-apple-darwin)	13m 43s
check	3m 5s
build-windows-pr (dev, aarch64-pc-windows-msvc)	29m 25s
build-windows-pr (dev, x86_64-pc-windows-msvc)	22m 18s
doc	8s
build-windows-pr (dev, x86_64-pc-windows-gnu)	7m 55s
build-all-features (ubuntu-latest, x86_64-unknown-linux-gnu)	7m 44s
build-windows-pr (release, x86_64-pc-windows-msvc)	7m 7s
build-windows-pr (release, x86_64-pc-windows-gnu)	10m 20s
build-all-features (windows-latest, x86_64-pc-windows-msvc)	21m 52s
build-linux-pr (release, aarch64-linux-android)	4m 43s
build-linux-pr (release, armv7-unknown-linux-gnueabihf)	4m 57s
build-linux-pr (dev, armv7-unknown-linux-gnueabihf)	3m 44s
build-linux-pr (dev, aarch64-unknown-linux-gnu)	10m 7s
build-linux-pr (dev, aarch64-linux-android)	3m 30s
build-windows-pr (release, aarch64-pc-windows-msvc)	6m 23s
build-linux-pr (release, x86_64-unknown-linux-gnu)	5m 35s
build-windows-stable	0s
build-linux-pr (release, aarch64-unknown-linux-gnu)	5m 3s
build-linux-pr (dev, x86_64-unknown-linux-gnu)	8m 53s
build-windows-main	0s
build-linux-stable	0s
build-linux-main	0s
build-freebsd-main	0s
build-freebsd-stable	0s
conclusion	2s
	3h 29m 47s

Provide feedback