diff --git a/Dockerfile b/Dockerfile
index 7739df6..62066c1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -9,4 +9,7 @@ RUN sudo apt-get update -y && sudo apt-get install -y\
     libimlib2-dev
 
 COPY . ./
-RUN sudo chown -R rust:rust .
+
+USER root
+ENV CARGO_HOME=/home/rust/.cargo
+ENV RUSTUP_HOME=/home/rust/.multirust
diff --git a/xlib/Cargo.toml b/xlib/Cargo.toml
index f5f4469..a2d4cb4 100644
--- a/xlib/Cargo.toml
+++ b/xlib/Cargo.toml
@@ -1,6 +1,8 @@
 [package]
 name = "xlib"
 version = "0.1.0"
+description = "xlib bindings"
+license-file = "../LICENSE"
 authors = ["Michael Zhang <failed.down@gmail.com>"]
 
 [dependencies]