Don't fail to open the card when GET_FEATURE_REQUEST returns with an error (this is a problem when running on jcardsim).

pcsc/src/lib.rs

@@ -77,11 +77,12 @@ impl PcscClient {
     /// Obtain and store feature lists from reader (pinpad functionality).
     fn into_card_app(mut self) -> Result<CardApp> {
         // Get Features from reader (pinpad verify/modify)
-        let feat = self.features()?;
+        if let Ok(feat) = self.features() {
             for tlv in feat {
                 log::debug!("Found reader feature {:?}", tlv);
                 self.reader_caps.insert(tlv.tag().into(), tlv);
             }
+        }
 
         // Get initalized CardApp
         CardApp::initialize(Box::new(self))