Switched offline mode implementation to stable cargo.
@@ -27,7 +27,7 @@ name = "rust-semver-public"
path = "src/bin/rust_semver_public.rs"
[dependencies]
-cargo = { git = "https://github.com/rust-lang/cargo", branch = "master" }
+cargo = "0.37"
crates-io = "0.24"
curl = "0.4.21"
env_logger = "0.6"
