| error[E0391]: cycle detected when looking up span for `Default` | |
| | | |
| = note: ...which immediately requires looking up span for `Default` again | |
| = note: cycle used when perform lints prior to AST lowering | |
| = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0391`. |