1 error[E0601]: `main` function not found in crate `issue_53251`
3 = note: consider adding a `main` function to `$DIR/issue-53251.rs`
5 error[E0087]: too many type parameters provided: expected at most 0 type parameters, found 1 type parameter
6 --> $DIR/issue-53251.rs:21:24
9 | ^^^ expected 0 type parameters
12 | --------------- in this macro invocation
14 error: aborting due to 2 previous errors
16 Some errors occurred: E0087, E0601.
17 For more information about an error, try `rustc --explain E0087`.