Plumb RPC listener up to caller #292

Job	Run time
set-image	9s
cargo-check-benches (master)	25m 36s
cargo-check-each-crate (1)	16m 7s
test-deterministic-wasm	6m 20s
cargo-check-each-crate (2)	20m 22s
cargo-check-benches (current)	29m 44s
cargo-check-each-crate (3)	4m 49s
test-full-crypto-feature	2m 36s
cargo-check-each-crate (4)	17m 8s
test-node-metrics	10m 54s
cargo-check-each-crate (5)	23m 33s
cargo-check-each-crate (6)	14m 10s
cargo-check-each-crate (7)	26m 59s
test-frame-examples-compile-to-wasm	2m 54s
test-frame-ui	31m 22s
check-tracing	2m 21s
check-metadata-hash	5m 45s
cargo-hfuzz	3m 53s
node-bench-regression-guard	16s
All test misc tests passed	1s
	4h 4m 59s

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