getopts = "0.2.19"
cc = "1.0.35"
libc = "0.2"
-serde = "1.0.8"
-serde_derive = "1.0.8"
+serde = { version = "1.0.8", features = ["derive"] }
serde_json = "1.0.2"
toml = "0.4"
-lazy_static = "0.2"
+lazy_static = "1.3.0"
time = "0.1"
petgraph = "0.4.13"