tracing = "0.1"
rustc_errors = { path = "../rustc_errors" }
rustc_feature = { path = "../rustc_feature" }
+rustc_hir = { path = "../rustc_hir" }
rustc_target = { path = "../rustc_target" }
rustc_serialize = { path = "../rustc_serialize" }
rustc_data_structures = { path = "../rustc_data_structures" }