rustc_feature = { path = "../rustc_feature" }
rustc_macros = { path = "../rustc_macros" }
rustc_data_structures = { path = "../rustc_data_structures" }
+rustc_error_messages = { path = "../rustc_error_messages" }
rustc_index = { path = "../rustc_index" }
rustc_span = { path = "../rustc_span" }
rustc_serialize = { path = "../rustc_serialize" }