9 tracing-subscriber = { version = "0.3.3", default-features = false, features = ["fmt", "env-filter", "smallvec", "parking_lot", "ansi"] }
10 tracing-tree = "0.2.0"
13 rustc_span = { path = "../rustc_span" }
16 max_level_info = ['tracing/max_level_info']