diff --git a/chain/client/tests/process_blocks.rs b/chain/client/tests/process_blocks.rs
index a5ea27ca4fb..2396d08a689 100644
--- a/chain/client/tests/process_blocks.rs
+++ b/chain/client/tests/process_blocks.rs
@@ -477,7 +477,7 @@ fn test_time_attack() {
     let hash = hash(&b1.header.inner.try_to_vec().expect("Failed to serialize"));
     b1.header.hash = hash;
     b1.header.signature = signer.sign(hash.as_ref());
-    client.process_block(b1, Provenance::NONE);
+    let _ = client.process_block(b1, Provenance::NONE);
 
     let b2 = client.produce_block(2, Duration::from_secs(1)).unwrap().unwrap();
     assert!(client.process_block(b2, Provenance::PRODUCED).1.is_ok());
diff --git a/runtime/near-vm-logic/tests/fixtures.rs b/runtime/near-vm-logic/tests/fixtures.rs
index fbe9556e0dc..790fc562ba3 100644
--- a/runtime/near-vm-logic/tests/fixtures.rs
+++ b/runtime/near-vm-logic/tests/fixtures.rs
@@ -1,5 +1,6 @@
 use near_vm_logic::VMContext;
 
+#[allow(dead_code)]
 pub fn get_context(input: Vec<u8>, is_view: bool) -> VMContext {
     VMContext {
         current_account_id: "alice.near".to_string(),
diff --git a/runtime/near-vm-logic/tests/test_context.rs b/runtime/near-vm-logic/tests/test_context.rs
index ac5386ccde0..a9b0e375707 100644
--- a/runtime/near-vm-logic/tests/test_context.rs
+++ b/runtime/near-vm-logic/tests/test_context.rs
@@ -34,7 +34,7 @@ macro_rules! decl_test_bytes {
             let mut logic = VMLogic::new(&mut ext, context, &config, &promise_results, &mut memory);
             let res = vec![0u8; $input.len()];
             logic.$method(0).expect("read bytes into register from context should be ok");
-            logic.read_register(0, res.as_ptr() as _).expect("read register should be ok");;
+            logic.read_register(0, res.as_ptr() as _).expect("read register should be ok");
             assert_eq!(res, $input);
         }
     };
diff --git a/runtime/near-vm-logic/tests/test_miscs.rs b/runtime/near-vm-logic/tests/test_miscs.rs
index 5b7db6656bb..08068224994 100644
--- a/runtime/near-vm-logic/tests/test_miscs.rs
+++ b/runtime/near-vm-logic/tests/test_miscs.rs
@@ -258,7 +258,7 @@ fn test_hash256() {
 
     logic.sha256(data.len() as _, data.as_ptr() as _, 0).unwrap();
     let res = &vec![0u8; 32];
-    logic.read_register(0, res.as_ptr() as _);
+    let _ = logic.read_register(0, res.as_ptr() as _);
     assert_eq!(
         res,
         &[
diff --git a/runtime/near-vm-logic/tests/test_view_method.rs b/runtime/near-vm-logic/tests/test_view_method.rs
index 99d97bf9b5f..13b7a5254f4 100644
--- a/runtime/near-vm-logic/tests/test_view_method.rs
+++ b/runtime/near-vm-logic/tests/test_view_method.rs
@@ -12,6 +12,7 @@ macro_rules! test_prohibited {
         let config = Config::default();
         let promise_results = vec![];
         let mut memory = MockedMemory::default();
+        #[allow(unused_mut)]
         let mut logic = VMLogic::new(&mut ext, context, &config, &promise_results, &mut memory);
 
         let name = stringify!($f);
diff --git a/runtime/near-vm-runner/tests/utils.rs b/runtime/near-vm-runner/tests/utils.rs
index 00a70e257c2..58636a375e4 100644
--- a/runtime/near-vm-runner/tests/utils.rs
+++ b/runtime/near-vm-runner/tests/utils.rs
@@ -47,6 +47,7 @@ pub fn make_simple_contract_call_with_gas(
     run(code_hash, code, method_name, &mut fake_external, context, &config, &promise_results)
 }
 
+#[allow(dead_code)]
 pub fn make_simple_contract_call(
     code: &[u8],
     method_name: &[u8],
@@ -54,6 +55,7 @@ pub fn make_simple_contract_call(
     make_simple_contract_call_with_gas(code, method_name, 1_000_000)
 }
 
+#[allow(dead_code)]
 pub fn wat2wasm_no_validate(wat: &str) -> Vec<u8> {
     Wat2Wasm::new().validate(false).convert(wat).unwrap().as_ref().to_vec()
 }
diff --git a/scripts/start_testnet.py b/scripts/start_testnet.py
index 99a5b8fb84a..e012e418e7e 100755
--- a/scripts/start_testnet.py
+++ b/scripts/start_testnet.py
@@ -11,7 +11,12 @@
     print("* Running NEAR validator node for Official TestNet *")
     print("****************************************************")
 
-    DEFAULT_BOOT_NODE = "AJLCcX4Uymeq5ssavjUCyEA8SV6Y365Mh5h4shqMSTDA@34.94.33.164:24567"
+    DEFAULT_BOOT_NODE = ','.join([
+        "AJLCcX4Uymeq5ssavjUCyEA8SV6Y365Mh5h4shqMSTDA@34.94.33.164:24567",
+        "EY9mX5FYyR1sqrGwkqCbUrmjgAtXs4DeNaf1sjG9MrkY@35.226.146.230:24567",
+        "8K7NG5v2yvSq4A1wQuqSNvyY334BVq3ohvdu9wgpgjLG@104.154.188.160:24567",
+        "FNCMYTt9Gexq6Nq3Z67gRX7eeZAh27swd1nrwN3smT9Q@35.246.133.183:24567",
+    ])
 
     parser = argparse.ArgumentParser()
     parser.add_argument('--local', action='store_true', help='deprecated: use --nodocker')
diff --git a/tests/test_rejoin.rs b/tests/test_rejoin.rs
index 5465216b240..d4d7f7bb4d4 100644
--- a/tests/test_rejoin.rs
+++ b/tests/test_rejoin.rs
@@ -26,7 +26,7 @@ mod test {
     // to ensure they are not run in parallel.
 
     fn send_transaction(
-        nodes: &Vec<Arc<RwLock<Node>>>,
+        nodes: &Vec<Arc<RwLock<dyn Node>>>,
         account_names: &Vec<AccountId>,
         nonces: &Vec<u64>,
         from: usize,
@@ -147,7 +147,7 @@ mod test {
                 }
             })
             .collect();
-        let nodes: Vec<Arc<RwLock<Node>>> =
+        let nodes: Vec<Arc<RwLock<dyn Node>>> =
             nodes.into_iter().map(|cfg| Node::new_sharable(cfg)).collect();
         let account_names: Vec<_> =
             nodes.iter().map(|node| node.read().unwrap().account_id().unwrap()).collect();