[dependencies]
libc = "0.2"
-log = { package = "tracing", version = "0.1" }
+tracing = "0.1"
rayon = { version = "0.3.0", package = "rustc-rayon" }
smallvec = { version = "1.0", features = ["union", "may_dangle"] }
rustc_ast = { path = "../librustc_ast" }