Rust

Add experimental "no-panic" feature. #2554

Job	Run time
licenses	12s
bazel	5m 48s
stable	39s
nightly	56s
msrv	3m 26s
outdated	5m 22s
audit	3m 17s
examples (http_config)	17s
examples (hello_world)	19s
examples (http_auth_random)	18s
examples (http_headers)	28s
examples (http_body)	32s
reactors (http_body)	25s
examples (grpc_auth_random)	15s
reactors (http_config)	25s
reactors (http_auth_random)	23s
examples (envoy_filter_metadata)	21s
reactors (hello_world)	26s
reactors (envoy_filter_metadata)	23s
reactors (http_headers)	25s
reactors (grpc_auth_random)	25s
	25m 2s

Provide feedback