dot = { path = "../libgraphviz", package = "graphviz" }
log = "0.4"
log_settings = "0.1.1"
-polonius-engine = "0.6.2"
+polonius-engine = "0.7.0"
rustc = { path = "../librustc" }
rustc_target = { path = "../librustc_target" }
rustc_data_structures = { path = "../librustc_data_structures" }