v2.0: Caching, single threaded #217

Job	Run time
checks	1m 17s
build / linux-x64 (x86_64-unknown-linux-gnu) (ubuntu-latest)	3m 32s
build / macos-arm64 (aarch64-apple-darwin) (macos-latest)	3m 34s
build / linux-arm64 (aarch64-unknown-linux-gnu) (ubuntu-latest)	3m 31s
test / macos-latest	3m 23s
test / ubuntu-latest	1m 11s
build / linux-arm (arm-unknown-linux-gnueabi) (ubuntu-latest)	3m 31s
build / linux-x86 (i686-unknown-linux-gnu) (ubuntu-latest)	3m 30s
build / macos-x64 (x86_64-apple-darwin) (macos-15)	3m 37s
	27m 6s

Provide feedback