Add range fetch failure logging.

src/daft-parquet/src/lib.rs

@@ -1,6 +1,7 @@
 #![feature(async_closure)]
 #![feature(let_chains)]
 #![feature(result_flattening)]
+#![feature(result_option_inspect)]
 use common_error::DaftError;
 use snafu::Snafu;
 

src/daft-parquet/src/read_planner.rs

@@ -107,6 +107,7 @@ impl RangeCacheEntry {
                         .await
                         .map_err(|e| daft_io::Error::JoinError { source: e })
                         .flatten()
+                        .inspect_err(|e| log::warn!("Range fetch error: {}", e))
                         .map_err(Arc::new);
                     let sliced = v
                         .as_ref()