Update Ubuntu-jit Dockerfile

Update Ubuntu-jit Dockerfile
[ci skip]

docker/ubuntu-jit/Dockerfile

@@ -1,5 +1,5 @@
 FROM ubuntu:14.04
-
+WORKDIR /build
 # install tools and dependencies
 RUN apt-get update && \
         apt-get install -y \
@@ -11,11 +11,13 @@ RUN apt-get update && \
         wget \
         git \
         g++ \
+        binutils \
+        file \
         # evmjit dependencies
         zlib1g-dev \
         libedit-dev
 
-# cmake, llvm and rocksdb ppas. then update ppas
+# cmake and llvm ppas. then update ppas
 RUN add-apt-repository -y "ppa:george-edison55/cmake-3.x" && \
         add-apt-repository "deb http://llvm.org/apt/trusty/ llvm-toolchain-trusty-3.7 main" && \
         apt-get update && \
@@ -36,7 +38,16 @@ ENV PATH /root/.cargo/bin:$PATH
 # show backtraces
 ENV RUST_BACKTRACE 1
 
+# show tools
+RUN rustc -vV && \
+cargo -V && \
+gcc -v &&\
+g++ -v
+
 # build parity
 RUN git clone https://github.com/ethcore/parity && \
         cd parity && \
-	cargo build --release --features ethcore/jit
+        cargo build --release --features ethcore/jit --verbose && \
+        ls /build/parity/target/release/parity &&       \
+        strip /build/parity/target/release/parity
+RUN file /build/parity/target/release/parity