base on debian jessie (oldstable)

Dockerfile

-FROM rust
+FROM debian:jessie
 MAINTAINER elois <elois@ifee.fr>
-LABEL version="1.33.0"
+LABEL version="1.33.2"
 LABEL description="CI for DURS project (Divende Universel RuSt)"
 
 RUN apt-get update && \
    apt-get install -y build-essential curl python-pip pkg-config libssl-dev sudo tar zip && \
    apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
    
+# install rustup
+RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
+
+# rustup directory
+ENV PATH /root/.cargo/bin:$PATH
+
+
 # Install fmt and clippy
 RUN rustup component add rustfmt-preview
 RUN rustup component add clippy