OrchardZSA backward compatability using traits #473

Job	Run time
Book tests	1m 50s
Bitrot check	1m 39s
Build target wasm32-unknown-unknown	2m 16s
Intra-doc links	1m 46s
Build target wasm32-wasi	2m 2s
Rustfmt	15s
Test on ubuntu-latest	10m 38s
Test on i686-unknown-linux-gnu	22m 25s
Test on windows-latest	14m 32s
Test on i686-unknown-linux-gnu with beta features	22m 43s
Test on macOS-latest	8m 6s
Test on i686-unknown-linux-gnu with nightly features	22m 36s
Test on ubuntu-latest with beta features	10m 30s
Test on windows-latest with beta features	14m 0s
Test on macOS-latest with beta features	8m 3s
Test on ubuntu-latest with nightly features	11m 19s
Test on windows-latest with nightly features	14m 54s
Test on macOS-latest with nightly features	8m 21s
	2h 57m 55s

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