FROM ubuntu:18.04 RUN apt-get update && \ apt-get install -y --no-install-recommends \ gcc libc6-dev ca-certificates \ gcc-mips-linux-gnu libc6-dev-mips-cross \ binfmt-support qemu-user-static qemu-system-mips ENV CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_LINKER=mips-linux-gnu-gcc \ CARGO_TARGET_MIPS_UNKNOWN_LINUX_GNU_RUNNER=qemu-mips-static \ QEMU_LD_PREFIX=/usr/mips-linux-gnu \ RUST_TEST_THREADS=1