Don't fail if we can't canonicalize an event path

e.g. for deletes

lib/src/fs.rs

@@ -11,7 +11,7 @@ use std::{
 
 use notify::Watcher as _;
 use tokio::sync::{mpsc, watch};
-use tracing::{debug, error, trace};
+use tracing::{debug, error, trace, warn};
 
 use crate::{
 	error::{CriticalError, RuntimeError},
@@ -286,10 +286,10 @@ fn process_event(
 		// possibly pull file_type from whatever notify (or the native driver) returns?
 		tags.push(Tag::Path {
 			file_type: metadata(&path).ok().map(|m| m.file_type().into()),
-			path: dunce::canonicalize(path).map_err(|err| RuntimeError::IoError {
-				about: "canonicalise path in event",
-				err,
-			})?,
+			path: dunce::canonicalize(&path).unwrap_or_else(|err| {
+				warn!(?err, ?path, "failed to canonicalise event path");
+				path
+			}),
 		});
 	}