error[E0308]: lang item `start` function has wrong type --> $DIR/issue-92157.rs:11:1 | LL | fn start(_main: fn() -> T, _argc: isize, _argv: *const *const u8) -> isize { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ incorrect number of function parameters | = note: expected signature `fn(fn() -> T, isize, *const *const u8, u8) -> _` found signature `fn(fn() -> T, isize, *const *const u8) -> _` error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0308`.