update hypervisor/mod.rs to use trace crate for logging (#1352)

Signed-off-by: Shailesh Vashishth <shavashishth@gmail.com>

Author: vshailesh

src/hyperlight_host/src/hypervisor/mod.rs

@@ -170,7 +170,7 @@ impl LinuxInterruptHandle {
                 break;
             }
 
-            log::info!("Sending signal to kill vcpu thread...");
+            tracing::info!("Sending signal to kill vcpu thread...");
             sent_signal = true;
             // Acquire ordering to synchronize with the Release store in set_tid()
             // This ensures we see the correct tid value for the currently running vcpu
@@ -376,7 +376,7 @@ impl InterruptHandleImpl for WindowsInterruptHandle {
                 guard.dropped = true;
             }
             Err(e) => {
-                log::error!("Failed to acquire partition_state write lock: {}", e);
+                tracing::error!("Failed to acquire partition_state write lock: {}", e);
             }
         }
     }
@@ -404,7 +404,7 @@ impl InterruptHandle for WindowsInterruptHandle {
         let guard = match self.partition_state.read() {
             Ok(guard) => guard,
             Err(e) => {
-                log::error!("Failed to acquire partition_state read lock: {}", e);
+                tracing::error!("Failed to acquire partition_state read lock: {}", e);
                 return false;
             }
         };
@@ -432,7 +432,7 @@ impl InterruptHandle for WindowsInterruptHandle {
         let guard = match self.partition_state.read() {
             Ok(guard) => guard,
             Err(e) => {
-                log::error!("Failed to acquire partition_state read lock: {}", e);
+                tracing::error!("Failed to acquire partition_state read lock: {}", e);
                 return false;
             }
         };
@@ -449,7 +449,7 @@ impl InterruptHandle for WindowsInterruptHandle {
         match self.partition_state.read() {
             Ok(guard) => guard.dropped,
             Err(e) => {
-                log::error!("Failed to acquire partition_state read lock: {}", e);
+                tracing::error!("Failed to acquire partition_state read lock: {}", e);
                 true // Assume dropped if we can't acquire lock
             }
         }