deps: fix build with edition=2018
@@ -16,8 +16,8 @@ quote = "0.6.12"
proc-macro2 = { version = "0.4.28", features = ["span-locations"] }
log = "0.4.6"
petgraph = "0.4.13"
-bitflags = "1.0"
-lazy_static = "1.0"
+bitflags = "1.0.4"
+lazy_static = "1.0.2"
smallvec = "0.6.9"
rustc-hash = "1.0.1"
smol_str = "0.1.10"
