add the ability to declare multiple impl blocks #10462

Job	Run time
preflight / preflight	41s
preflight / preflight	41s
preflight / ci-versions	53s
preflight / ci-versions	53s
test-full-crypto-feature	2m 28s
test-full-crypto-feature	2m 28s
cargo-check-benches (master)	20m 40s
cargo-check-benches (master)	20m 40s
test-frame-ui	30m 7s
test-frame-ui	30m 7s
cargo-check-benches (current)	27m 37s
cargo-check-benches (current)	27m 37s
test-node-metrics	6m 24s
test-node-metrics	12m 21s
cargo-check-all-crate-macos	12m 28s
cargo-check-all-crate-macos	12m 28s
cargo-check-each-crate (1)	43m 59s
cargo-check-each-crate (1)	43m 59s
cargo-check-each-crate (2)	38m 31s
cargo-check-each-crate (2)	38m 31s
cargo-check-each-crate (3)	17m 39s
cargo-check-each-crate (3)	17m 39s
cargo-check-each-crate (4)	39m 40s
cargo-check-each-crate (4)	39m 40s
cargo-check-each-crate (5)	46m 8s
cargo-check-each-crate (5)	46m 8s
cargo-check-each-crate (6)	20m 24s
cargo-check-each-crate (6)	20m 24s
cargo-check-each-crate (7)	43m 26s
cargo-check-each-crate (7)	43m 26s
test-frame-examples-compile-to-wasm	2m 57s
test-frame-examples-compile-to-wasm	2m 57s
check-tracing	0s
check-tracing	2m 16s
check-metadata-hash	0s
check-metadata-hash	7m 57s
test-deterministic-wasm	7m 48s
test-deterministic-wasm	7m 48s
node-bench-regression-guard	13s
node-bench-regression-guard	13s
All test misc tests passed	1s
All test misc tests passed	1s
	12h 20m 18s

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