fix typos and warnings

Author: sam0x17

pallets/subtensor/tests/root.rs

@@ -702,7 +702,7 @@ fn test_issance_bounds() {
         // We converge to 20_999_999_989_500_000 (< 1 TAO away).
         let n_halvings: usize = 100;
         let mut total_issuance: u64 = 0;
-        for i in 0..n_halvings {
+        for _ in 0..n_halvings {
             let block_emission_10_500_000x: u64 =
                 SubtensorModule::get_block_emission_for_issuance(total_issuance).unwrap()
                     * 10_500_000;

runtime/Cargo.toml

@@ -83,7 +83,7 @@ pallet-commitments = { version = "4.0.0-dev", default-features = false, path = "
 
 [dev-dependencies]
 sp-io = { version = "23", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v1.0.0" }
-sp-tracing = { vrsion = "23", git = "https://github.com/paritytech/substrate", branch = "polkadot-v1.0.0" }
+sp-tracing = { version = "10", git = "https://github.com/paritytech/substrate", branch = "polkadot-v1.0.0" }
 
 [build-dependencies]
 substrate-wasm-builder = { version = "5.0.0-dev", git = "https://github.com/paritytech/substrate.git", optional = true, branch = "polkadot-v1.0.0" }