Trying to reproduce a 32bit Clippy crash https://github.com/rust-lang-nursery/rust-clippy/issues/3345

Dockerfile

FROM i386/buildpack-deps:stretch

# The rustup installation code is taken from https://github.com/rust-lang-nursery/docker-rust/blob/master/1.30.0/stretch/Dockerfile

ENV RUSTUP_HOME=/usr/local/rustup \
    CARGO_HOME=/usr/local/cargo \
    PATH=/usr/local/cargo/bin:$PATH \
    RUST_VERSION=1.30.0

RUN set -eux; \
    dpkgArch="$(dpkg --print-architecture)"; \
    case "${dpkgArch##*-}" in \
        amd64) rustArch='x86_64-unknown-linux-gnu'; rustupSha256='0077ff9c19f722e2be202698c037413099e1188c0c233c12a2297bf18e9ff6e7' ;; \
        armhf) rustArch='armv7-unknown-linux-gnueabihf'; rustupSha256='f139e5be4ea2db7ff151c122f5d24af3c587c4fc74a7414e262cb34403278ad3' ;; \
        arm64) rustArch='aarch64-unknown-linux-gnu'; rustupSha256='c7d5471e71a315134e7499af75eb177d1f574858f1c6b8e61b436702d671a4e2' ;; \
        i386) rustArch='i686-unknown-linux-gnu'; rustupSha256='909ce4e2d0c9bf60ba5a85426c38cceb5ae77979ab2b1e354e76b9851b5ec5ed' ;; \
        *) echo >&2 "unsupported architecture: ${dpkgArch}"; exit 1 ;; \
    esac; \
    url="https://static.rust-lang.org/rustup/archive/1.14.0/${rustArch}/rustup-init"; \
    wget "$url"; \
    echo "${rustupSha256} *rustup-init" | sha256sum -c -; \
    chmod +x rustup-init; \
    ./rustup-init -y --no-modify-path --default-host i686-unknown-linux-gnu --default-toolchain $RUST_VERSION; \
    rm rustup-init; \
    chmod -R a+w $RUSTUP_HOME $CARGO_HOME; \
    rustup --version; \
    rustc --version; \
    cargo --version
RUN rustup component add clippy-preview
RUN cargo clippy --version

# Check if Clippy was compiled for x86 or x64
# See https://forums.docker.com/t/support-for-32-bit-images-containers-on-64-bit-hosts/10010/3
RUN file `whereis cargo-clippy`

RUN git clone https://github.com/RustCrypto/utils.git && \
    cd utils/byte-tools && \
    git checkout 12b85f9a7f1f59fe835cef2d22a5015f3df9fd18 && \
    cargo clippy

Vagrantfile

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/trusty32"

  script = <<-SCRIPT
echo I am provisioning...
curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain 1.29.2
source $HOME/.cargo/env
cargo --version
rustup --version
rustc --version
uname -a
rustup component add clippy-preview
cargo clippy --version
file `whereis cargo-clippy`
cat /proc/cpuinfo

sudo apt-get install git -y
git clone https://github.com/RustCrypto/utils.git
cd utils/byte-tools
git checkout 11d4a91bebe889b10f57ab1d6c4dce2e3c0d5095
cargo clippy
  SCRIPT

  config.vm.provider "virtualbox" do |v|
    v.customize ["modifyvm", :id, "--longmode", "off"]
  end

  config.vm.provision "shell", inline: script
end