Tolerate errors when attempting to fetch metadata for some `CreateKin…

…d`s (#3393)

Tolerate errors when attempting to fetch metadata for `CreateKind::Any` or `CreateKind::Other`

src/agent/onefuzz/src/monitor.rs

@@ -3,7 +3,7 @@
 
 use std::path::{Path, PathBuf};
 
-use anyhow::{format_err, Context, Result};
+use anyhow::{format_err, Result};
 use notify::{
     event::{CreateKind, ModifyKind, RenameMode},
     Event, EventKind, Watcher,
@@ -132,17 +132,21 @@ impl DirectoryMonitor {
                             }
                         }
                         CreateKind::Any | CreateKind::Other => {
+                            // Short-circuit and report this path if we're reporting everything.
                             if self.report_directories {
                                 return Ok(Some(path));
                             }
 
-                            // check if it is a file
-                            let metadata = fs::metadata(&path)
-                                .await
-                                .context("checking metadata for file")?;
-
-                            if metadata.is_file() {
-                                return Ok(Some(path));
+                            match fs::metadata(&path).await {
+                                Ok(metadata) => {
+                                    // We're only reporting files, so make sure this is a file first.
+                                    if metadata.is_file() {
+                                        return Ok(Some(path));
+                                    }
+                                }
+                                Err(e) => {
+                                    warn!("failed to get metadata for {}: {:?}", path.display(), e);
+                                }
                             }
                         }
                     }