FROM ubuntu:16.04 RUN apt-get update && \ apt-get install -y --no-install-recommends \ ca-certificates curl gcc gcc-arm-none-eabi libc6-dev libcurl4-openssl-dev libssh2-1 libnewlib-dev RUN curl -sf "https://raw.githubusercontent.com/japaric/rust-everywhere/master/install.sh" | \ bash -s -- --at /usr/bin --from japaric/xargo --for x86_64-unknown-linux-gnu --tag v0.1.13 ENV AR_thumbv7em_none_eabihf=arm-none-eabi-ar \ CARGO_TARGET_THUMBV7EM_NONE_EABIHF_LINKER=arm-none-eabi-gcc \ CC_thumbv7em_none_eabihf=arm-none-eabi-gcc \