//@ compile-flags: -F unused_features //@ aux-build:lint_output_format.rs #![allow(deprecated)] extern crate lint_output_format; //~ ERROR use of unstable library feature use lint_output_format::{foo, bar}; //~ ERROR use of unstable library feature //~| ERROR use of unstable library feature fn main() { let _x = foo(); let _y = bar(); //~ ERROR use of unstable library feature }