error[E0080]: could not evaluate static initializer --> $DIR/abi-mismatch.rs:10:5 | LL | my_fn(); | ^^^^^^^ | | | calling a function with calling convention C using calling convention Rust | inside `call_rust_fn` at $DIR/abi-mismatch.rs:10:5 ... LL | static VAL: () = call_rust_fn(unsafe { std::mem::transmute(c_fn as extern "C" fn()) }); | --------------------------------------------------------------------- inside `VAL` at $DIR/abi-mismatch.rs:16:18 warning: skipping const checks | help: skipping check that does not even have a feature gate --> $DIR/abi-mismatch.rs:10:5 | LL | my_fn(); | ^^^^^^^ error: aborting due to previous error; 1 warning emitted For more information about this error, try `rustc --explain E0080`.