Rust

add optional arbitrary impls #839

Job	Run time
Check Documentations	2m 3s
Check Documentations	2m 3s
Check Documentations	2m 3s
Check Documentations	2m 3s
Check Documentations	2m 3s
Check Documentations	2m 3s
Check Features	10m 37s
Check Features	10m 37s
Check Features	10m 37s
Check Features	10m 37s
Check Features	10m 37s
Check Features	10m 37s
Check Lints	1m 35s
Check Lints	1m 35s
Check Lints	1m 35s
Check Lints	1m 35s
Check Lints	1m 35s
Check Lints	1m 35s
Check Rust version for `ibc` libraries (ubuntu-latest)	1m 3s
Check Rust version for `ibc` libraries (ubuntu-latest)	1m 3s
Check Rust version for `ibc` libraries (ubuntu-latest)	36s
Check Rust version for `ibc` libraries (ubuntu-latest)	1m 18s
Check Rust version for `ibc` libraries (ubuntu-latest)	12m 54s
Check Rust version for `ibc` libraries (ubuntu-latest)	12m 54s
Run Tests	2m 13s
Run Tests	2m 13s
Run Tests	2m 13s
Run Tests	2m 13s
Run Tests	2m 13s
Run Tests	2m 13s
Check Rust version for `ibc` libraries (macos-latest)	1m 27s
Check Rust version for `ibc` libraries (macos-latest)	1s
Check Rust version for `ibc` libraries (macos-latest)	1s
Check Rust version for `ibc` libraries (macos-latest)	1s
Check Rust version for `ibc` libraries (macos-latest)	1s
Check Rust version for `ibc` libraries (macos-latest)	13m 23s
	2h 23m 30s

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