Zsa functionalities #4031

Job	Run time
Book tests	1m 22s
Build target wasm32-unknown-unknown	1m 49s
Intra-doc links	1m 36s
Build target wasm32-wasi	1m 47s
Rustfmt	15s
Bitrot check	1m 36s
Test on i686-unknown-linux-gnu	13m 32s
Test on ubuntu-latest	7m 17s
Test on i686-unknown-linux-gnu with beta features	13m 39s
Test on windows-latest	9m 35s
Test on i686-unknown-linux-gnu with nightly features	15m 22s
Test on macOS-latest	8m 27s
Test on ubuntu-latest with beta features	7m 30s
Test on windows-latest with beta features	9m 49s
Test on macOS-latest with beta features	17m 16s
Test on ubuntu-latest with nightly features	8m 16s
Test on windows-latest with nightly features	11m 7s
Test on macOS-latest with nightly features	15m 2s
	2h 25m 17s

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