...even more

src/target.rs

@@ -49,7 +49,7 @@ impl PhysicalTarget {
 			self.port.write(b"U")?;
 
 			let mut buf = [0u8; 1];
-			self.port.read(&mut buf)?;
+			let _ = self.port.read(&mut buf);
 
 			if buf[0] == b'U' { break }