fix(ci): make the Rust pipeline deterministic and green

.github/workflows/rust.yml

@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@1.95.0
         with:
           components: rustfmt, clippy
 
@@ -53,7 +53,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install Rust toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@1.95.0
 
       - name: Cache Cargo dependencies
         uses: actions/cache@v4

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.91.0"
+channel = "1.95.0"
 components = ["cargo", "clippy", "rustc", "rust-std", "rustfmt"]

rustfmt.toml

@@ -0,0 +1,3 @@
+reorder_imports = true
+use_small_heuristics = "Max"
+use_field_init_shorthand = true

src/util/gen_account.rs

@@ -213,6 +213,7 @@ mod tests {
     }
 
     #[test]
+    #[ignore = "brute-force scan of 1M key derivations; manual lookup utility, too slow for CI; run with `cargo test -- --ignored`"]
     fn test_find_account_by_address() {
         // Find account ID for a specific address
         let target_address = "0x3ece3a612e4e8849a3eaf093c61683b1370f3418";
@@ -308,6 +309,7 @@ mod tests {
     }
 
     #[tokio::test]
+    #[ignore = "requires a running node at localhost:8545; run with `cargo test -- --ignored`"]
     async fn test_check_account_balances() {
         use crate::eth::EthHttpCli;
 
@@ -367,6 +369,7 @@ mod tests {
     }
 
     #[tokio::test]
+    #[ignore = "requires a running node at localhost:8545; run with `cargo test -- --ignored`"]
     async fn test_faucet_eth_to_accounts() {
         use crate::eth::{EthHttpCli, TxnBuilder};
         use alloy::primitives::U256;