// Copyright 2018 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // edition:2018 #![no_std] #![crate_type = "lib"] use alloc::vec; //~^ ERROR unresolved import `alloc` pub fn foo() { let mut xs = vec![]; //~^ ERROR cannot determine resolution for the macro `vec` xs.push(0); }