diff options
| -rw-r--r-- | tvix/castore/src/composition.rs | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/tvix/castore/src/composition.rs b/tvix/castore/src/composition.rs index 1ff7e1b5bed8..53e2fe1594fb 100644 --- a/tvix/castore/src/composition.rs +++ b/tvix/castore/src/composition.rs @@ -431,10 +431,13 @@ impl Composition { new_context .stack .push((TypeId::of::<T>(), entrypoint.clone())); - let res = config - .build(&entrypoint, &new_context) - .await - .map_err(|e| CompositionError::Failed(entrypoint, e.into())); + let res = + config.build(&entrypoint, &new_context).await.map_err(|e| { + match e.downcast() { + Ok(e) => *e, + Err(e) => CompositionError::Failed(entrypoint, e.into()), + } + }); tx.send(Some(res.clone())).unwrap(); res }) |