[dependencies]
rustc_arena = { path = "../rustc_arena" }
tracing = "0.1"
+either = "1"
rustc_middle = { path = "../rustc_middle" }
rustc_apfloat = { path = "../rustc_apfloat" }
rustc_attr = { path = "../rustc_attr" }
rustc_errors = { path = "../rustc_errors" }
rustc_hir = { path = "../rustc_hir" }
rustc_infer = { path = "../rustc_infer" }
+rustc_macros = { path = "../rustc_macros" }
rustc_serialize = { path = "../rustc_serialize" }
rustc_session = { path = "../rustc_session" }
rustc_span = { path = "../rustc_span" }