Avoid Rust warnings #1335

Job	Run time
Ensure consistency between wat and wasm files	14s
smart-contracts/wasm-transform lint:clippy	4m 24s
smart-contracts/wasm-transform lint:fmt	14s
escrow lint:fmt	15s
smart-contracts/wasm-chain-integration lint:fmt	12s
smart-contracts/wasm-transform lint:fmt	4m 27s
lockup lint:fmt	12s
smart-contracts/wasm-chain-integration lint:fmt	4m 33s
wasm-transform cargo:test	4m 36s
use-all-host-functions lint:fmt	13s
wasm-chain-integration cargo:test	18m 20s
counter cargo:test	4m 7s
rate-limited lint:fmt	13s
counter lint:fmt	12s
smart-contracts/escrow lint:clippy	4m 8s
context-test lint:fmt	13s
smart-contracts/wasm-chain-integration lint:clippy	4m 37s
smart-contracts/lockup lint:clippy	4m 20s
wasm-core-spec cargo:test	4m 31s
smart-contracts/wasm-chain-integration lint:clippy	4m 36s
fib lint:fmt	13s
smart-contracts/use-all-host-functions lint:clippy	4m 22s
smart-contracts/wasm-chain-integration lint:clippy	4m 36s
smart-contracts/rate-limited lint:clippy	4m 35s
smart-contracts/counter lint:clippy	4m 12s
smart-contracts/context-test lint:clippy	4m 17s
smart-contracts/fib lint:clippy	4m 45s
	1h 31m 37s

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