error[E0282]: type annotations needed | |
--> $DIR/issue-16966.rs:2:5 | |
| | |
LL | panic!(std::default::Default::default()); | |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `M` declared on the function `begin_panic` | |
| | |
= note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0282`. |