add information to panic (#5177)

2019-07-18 14:41:32 -07:00
parent a3a91ba222
commit d47caf2af8
1 changed files with 8 additions and 3 deletions
--- a/runtime/src/append_vec.rs
+++ b/runtime/src/append_vec.rs
@ -93,12 +93,17 @@ impl AppendVec {
            .create(create)
            .open(file)
            .map_err(|e| {
-                warn!("in current dir {:?}", std::env::current_dir());
+                let mut msg = format!("in current dir {:?}\n", std::env::current_dir());
                for ancestor in file.ancestors() {
-                    warn!("{:?} is {:?}", ancestor, std::fs::metadata(ancestor));
+                    msg.push_str(&format!(
+                        "{:?} is {:?}\n",
+                        ancestor,
+                        std::fs::metadata(ancestor)
+                    ));
                }
                panic!(
-                    "Unable to {} data file {}, err {:?}",
+                    "{}Unable to {} data file {}, err {:?}",
+                    msg,
                    if create { "create" } else { "open" },
                    file.display(),
                    e