specify nightly to compile rocket (rsut) (#269)

waghanza · web-flow · commit f96b0b1550d3 · 2018-06-22T13:45:47.000+02:00
diff --git a/rust/rocket/Dockerfile b/rust/rocket/Dockerfile
@@ -2,7 +2,7 @@ FROM rust
 
 WORKDIR /usr/src/app
 
-RUN rustup default nightly
+RUN rustup default nightly-2018-06-18
 
 COPY Cargo.toml ./
 COPY src src
