extern crate env_logger;
extern crate getopts;
extern crate rustc;
+extern crate rustc_ast;
extern crate rustc_ast_pretty;
extern crate rustc_attr;
extern crate rustc_data_structures;
extern crate rustc_feature;
extern crate rustc_hir;
extern crate rustc_index;
+extern crate rustc_infer;
extern crate rustc_interface;
extern crate rustc_lexer;
extern crate rustc_lint;
extern crate rustc_span as rustc_span;
extern crate rustc_target;
extern crate rustc_typeck;
-extern crate syntax;
extern crate test as testing;
#[macro_use]
extern crate log;