[PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[Paolo Bonzini]

Right now only Fedora 39 and 40 (with updates) are able to compile
QEMU with Rust enabled. Full CI enablement requires further work to
reduce the minimum supported version of the compiler, and is not a
requirement until Rust is turned on by default.

Since a CI job based on nightly Rust will be needed later on, to
integrate clippy and have a heads-up on future clippy warnings,
adjust QEMU's 'refresh' script to customize a Fedora 40 dockerfile
with trailing text that installs nightly Rust and compiles the
latest bindgen.  A matching CI job, using --enable-rust, ensures
that the toolchain is installed correctly by the Dockerfile and
that QEMU builds with Rust enabled on at least one platform.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Cc: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Cc: Alex Bennée <alex.bennee@linaro.org>
Based-on: <cover.1727961605.git.manos.pitsidianakis@linaro.org>

Paolo Bonzini (2):
  dockerfiles: add a Dockerfile using a nightly Rust toolchain
  gitlab-ci: add Rust-enabled CI job

 .gitlab-ci.d/buildtest.yml                    |  13 ++
 .gitlab-ci.d/containers.yml                   |   6 +
 .../dockerfiles/fedora-rust-nightly.docker    | 173 ++++++++++++++++++
 tests/lcitool/refresh                         |  26 +++
 4 files changed, 218 insertions(+)
 create mode 100644 tests/docker/dockerfiles/fedora-rust-nightly.docker

-- 
2.46.1

[PATCH 1/2] dockerfiles: add a Dockerfile using a nightly Rust toolchain

[Paolo Bonzini]

This will be useful in order to test QEMU's Rust code with nightly
clippy.  It can also be used to check that the code builds, until the
minimum supported Rust version is lowered enough to allow enabling Rust
in other Dockerfiles too.

Use a separate container, instead of the Fedora one, to avoid that
CI breaks for everyone if for some reason the rustup build turns out
to be shaky.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 .../dockerfiles/fedora-rust-nightly.docker    | 173 ++++++++++++++++++
 tests/lcitool/refresh                         |  26 +++
 2 files changed, 199 insertions(+)
 create mode 100644 tests/docker/dockerfiles/fedora-rust-nightly.docker

diff --git a/tests/docker/dockerfiles/fedora-rust-nightly.docker b/tests/docker/dockerfiles/fedora-rust-nightly.docker
new file mode 100644
index 00000000000..e642db163c7
--- /dev/null
+++ b/tests/docker/dockerfiles/fedora-rust-nightly.docker
@@ -0,0 +1,173 @@
+# THIS FILE WAS AUTO-GENERATED
+#
+#  $ lcitool dockerfile --layers all fedora-40 qemu
+#
+# https://gitlab.com/libvirt/libvirt-ci
+
+FROM registry.fedoraproject.org/fedora:40
+
+RUN dnf install -y nosync && \
+    printf '#!/bin/sh\n\
+if test -d /usr/lib64\n\
+then\n\
+    export LD_PRELOAD=/usr/lib64/nosync/nosync.so\n\
+else\n\
+    export LD_PRELOAD=/usr/lib/nosync/nosync.so\n\
+fi\n\
+exec "$@"\n' > /usr/bin/nosync && \
+    chmod +x /usr/bin/nosync && \
+    nosync dnf update -y && \
+    nosync dnf install -y \
+               SDL2-devel \
+               SDL2_image-devel \
+               alsa-lib-devel \
+               bash \
+               bc \
+               bison \
+               brlapi-devel \
+               bzip2 \
+               bzip2-devel \
+               ca-certificates \
+               capstone-devel \
+               ccache \
+               clang \
+               ctags \
+               cyrus-sasl-devel \
+               daxctl-devel \
+               dbus-daemon \
+               device-mapper-multipath-devel \
+               diffutils \
+               findutils \
+               flex \
+               fuse3-devel \
+               gcc \
+               gcovr \
+               gettext \
+               git \
+               glib2-devel \
+               glib2-static \
+               glibc-langpack-en \
+               glibc-static \
+               glusterfs-api-devel \
+               gnutls-devel \
+               gtk-vnc2-devel \
+               gtk3-devel \
+               hostname \
+               jemalloc-devel \
+               json-c-devel \
+               libaio-devel \
+               libasan \
+               libattr-devel \
+               libbpf-devel \
+               libcacard-devel \
+               libcap-ng-devel \
+               libcmocka-devel \
+               libcurl-devel \
+               libdrm-devel \
+               libepoxy-devel \
+               libfdt-devel \
+               libffi-devel \
+               libgcrypt-devel \
+               libiscsi-devel \
+               libjpeg-devel \
+               libnfs-devel \
+               libpmem-devel \
+               libpng-devel \
+               librbd-devel \
+               libseccomp-devel \
+               libselinux-devel \
+               libslirp-devel \
+               libssh-devel \
+               libtasn1-devel \
+               libubsan \
+               liburing-devel \
+               libusbx-devel \
+               libxdp-devel \
+               libzstd-devel \
+               llvm \
+               lttng-ust-devel \
+               lzo-devel \
+               make \
+               mesa-libgbm-devel \
+               meson \
+               mtools \
+               ncurses-devel \
+               nettle-devel \
+               ninja-build \
+               nmap-ncat \
+               numactl-devel \
+               openssh-clients \
+               pam-devel \
+               pcre-static \
+               pipewire-devel \
+               pixman-devel \
+               pkgconfig \
+               pulseaudio-libs-devel \
+               python3 \
+               python3-PyYAML \
+               python3-numpy \
+               python3-opencv \
+               python3-pillow \
+               python3-pip \
+               python3-sphinx \
+               python3-sphinx_rtd_theme \
+               python3-zombie-imp \
+               rdma-core-devel \
+               sed \
+               snappy-devel \
+               socat \
+               sparse \
+               spice-protocol \
+               spice-server-devel \
+               swtpm \
+               systemd-devel \
+               systemtap-sdt-devel \
+               tar \
+               tesseract \
+               tesseract-langpack-eng \
+               usbredir-devel \
+               util-linux \
+               virglrenderer-devel \
+               vte291-devel \
+               which \
+               xen-devel \
+               xorriso \
+               zlib-devel \
+               zlib-static \
+               zstd && \
+    nosync dnf autoremove -y && \
+    nosync dnf clean all -y && \
+    rm -f /usr/lib*/python3*/EXTERNALLY-MANAGED && \
+    rpm -qa | sort > /packages.txt && \
+    mkdir -p /usr/libexec/ccache-wrappers && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/cc && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/clang && \
+    ln -s /usr/bin/ccache /usr/libexec/ccache-wrappers/gcc
+
+ENV CCACHE_WRAPPERSDIR "/usr/libexec/ccache-wrappers"
+ENV LANG "en_US.UTF-8"
+ENV MAKE "/usr/bin/make"
+ENV NINJA "/usr/bin/ninja"
+ENV PYTHON "/usr/bin/python3"
+RUN dnf install -y wget
+ENV RUSTUP_HOME=/usr/local/rustup CARGO_HOME=/usr/local/cargo
+ENV RUSTC=/usr/local/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustc
+RUN set -eux && \
+  rustArch='x86_64-unknown-linux-gnu' && \
+  rustupSha256='6aeece6993e902708983b209d04c0d1dbb14ebb405ddb87def578d41f920f56d' && \
+  url="https://static.rust-lang.org/rustup/archive/1.27.1/${rustArch}/rustup-init" && \
+  wget "$url" && \
+  echo "${rustupSha256} *rustup-init" | sha256sum -c - && \
+  chmod +x rustup-init && \
+  ./rustup-init -y --no-modify-path --profile default --default-toolchain nightly --default-host ${rustArch} && \
+  chmod -R a+w $RUSTUP_HOME $CARGO_HOME && \
+  /usr/local/cargo/bin/rustup --version && \
+  /usr/local/cargo/bin/rustup run nightly rustc --version && \
+  test "$RUSTC" = "$(/usr/local/cargo/bin/rustup +nightly which rustc)"
+ENV PATH=$CARGO_HOME/bin:$PATH
+RUN /usr/local/cargo/bin/rustup run nightly cargo install bindgen-cli
+# As a final step configure the user (if env is defined)
+ARG USER
+ARG UID
+RUN if [ "${USER}" ]; then \
+  id ${USER} 2>/dev/null || useradd -u ${UID} -U ${USER}; fi
diff --git a/tests/lcitool/refresh b/tests/lcitool/refresh
index a78219f7bc5..1ae0962f04c 100755
--- a/tests/lcitool/refresh
+++ b/tests/lcitool/refresh
@@ -116,6 +116,26 @@ debian12_extras = [
     "ENV QEMU_CONFIGURE_OPTS --enable-netmap\n"
 ]
 
+# Based on the hub.docker.com/library/rust Dockerfiles
+fedora_rustup_nightly_extras = [
+    "RUN dnf install -y wget\n",
+    "ENV RUSTUP_HOME=/usr/local/rustup CARGO_HOME=/usr/local/cargo\n",
+    "ENV RUSTC=/usr/local/rustup/toolchains/nightly-x86_64-unknown-linux-gnu/bin/rustc\n",
+    "RUN set -eux && \\\n",
+    "  rustArch='x86_64-unknown-linux-gnu' && \\\n",
+    "  rustupSha256='6aeece6993e902708983b209d04c0d1dbb14ebb405ddb87def578d41f920f56d' && \\\n",
+    '  url="https://static.rust-lang.org/rustup/archive/1.27.1/${rustArch}/rustup-init" && \\\n',
+    '  wget "$url" && \\\n',
+    '  echo "${rustupSha256} *rustup-init" | sha256sum -c - && \\\n',
+    "  chmod +x rustup-init && \\\n",
+    "  ./rustup-init -y --no-modify-path --profile default --default-toolchain nightly --default-host ${rustArch} && \\\n",
+    "  chmod -R a+w $RUSTUP_HOME $CARGO_HOME && \\\n",
+    "  /usr/local/cargo/bin/rustup --version && \\\n",
+    "  /usr/local/cargo/bin/rustup run nightly rustc --version && \\\n",
+    '  test "$RUSTC" = "$(/usr/local/cargo/bin/rustup +nightly which rustc)"\n',
+    'ENV PATH=$CARGO_HOME/bin:$PATH\n',
+    'RUN /usr/local/cargo/bin/rustup run nightly cargo install bindgen-cli\n',
+]
 
 def cross_build(prefix, targets):
     conf = "ENV QEMU_CONFIGURE_OPTS --cross-prefix=%s\n" % (prefix)
@@ -139,6 +159,12 @@ try:
     generate_dockerfile("opensuse-leap", "opensuse-leap-15")
     generate_dockerfile("ubuntu2204", "ubuntu-2204")
 
+    #
+    # Non-fatal Rust-enabled build
+    #
+    generate_dockerfile("fedora-rust-nightly", "fedora-40",
+                        trailer="".join(fedora_rustup_nightly_extras))
+
     #
     # Cross compiling builds
     #
-- 
2.46.1

Re: [PATCH 1/2] dockerfiles: add a Dockerfile using a nightly Rust toolchain

[Daniel P. Berrangé]

On Mon, Oct 07, 2024 at 07:17:12PM +0200, Paolo Bonzini wrote:
> This will be useful in order to test QEMU's Rust code with nightly
> clippy.  It can also be used to check that the code builds, until the
> minimum supported Rust version is lowered enough to allow enabling Rust
> in other Dockerfiles too.
> 
> Use a separate container, instead of the Fedora one, to avoid that
> CI breaks for everyone if for some reason the rustup build turns out
> to be shaky.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  .../dockerfiles/fedora-rust-nightly.docker    | 173 ++++++++++++++++++
>  tests/lcitool/refresh                         |  26 +++
>  2 files changed, 199 insertions(+)
>  create mode 100644 tests/docker/dockerfiles/fedora-rust-nightly.docker

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


With regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|

[PATCH 2/2] gitlab-ci: add Rust-enabled CI job

[Paolo Bonzini]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 .gitlab-ci.d/buildtest.yml  | 13 +++++++++++++
 .gitlab-ci.d/containers.yml |  6 ++++++
 2 files changed, 19 insertions(+)

diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml
index 669c980c4b4..a92e731d6af 100644
--- a/.gitlab-ci.d/buildtest.yml
+++ b/.gitlab-ci.d/buildtest.yml
@@ -120,6 +120,19 @@ build-system-fedora:
       xtensa-softmmu m68k-softmmu riscv32-softmmu ppc-softmmu sparc64-softmmu
     MAKE_CHECK_ARGS: check-build
 
+build-system-fedora-rust:
+  extends:
+    - .native_build_job_template
+    - .native_build_artifact_template
+  needs:
+    job: amd64-fedora-rust-container
+  variables:
+    IMAGE: fedora-rust-nightly
+    CONFIGURE_ARGS: --disable-gcrypt --enable-nettle --disable-docs --enable-rust
+    TARGETS: aarch64-softmmu
+    MAKE_CHECK_ARGS: check-build
+  allow_failure: true
+
 check-system-fedora:
   extends: .native_test_job_template
   needs:
diff --git a/.gitlab-ci.d/containers.yml b/.gitlab-ci.d/containers.yml
index ae79d4c58bc..414ae5e828b 100644
--- a/.gitlab-ci.d/containers.yml
+++ b/.gitlab-ci.d/containers.yml
@@ -27,3 +27,9 @@ python-container:
   extends: .container_job_template
   variables:
     NAME: python
+
+amd64-fedora-rust-container:
+  extends: .container_job_template
+  variables:
+    NAME: fedora-rust-nightly
+  allow_failure: true
-- 
2.46.1

Re: [PATCH 2/2] gitlab-ci: add Rust-enabled CI job

[Daniel P. Berrangé]

On Mon, Oct 07, 2024 at 07:17:13PM +0200, Paolo Bonzini wrote:
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>  .gitlab-ci.d/buildtest.yml  | 13 +++++++++++++
>  .gitlab-ci.d/containers.yml |  6 ++++++
>  2 files changed, 19 insertions(+)
> 
> diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml
> index 669c980c4b4..a92e731d6af 100644
> --- a/.gitlab-ci.d/buildtest.yml
> +++ b/.gitlab-ci.d/buildtest.yml
> @@ -120,6 +120,19 @@ build-system-fedora:
>        xtensa-softmmu m68k-softmmu riscv32-softmmu ppc-softmmu sparc64-softmmu
>      MAKE_CHECK_ARGS: check-build
>  
> +build-system-fedora-rust:

Add '-nightly' to the job name too, to match the container its
using.

> +  extends:
> +    - .native_build_job_template
> +    - .native_build_artifact_template
> +  needs:
> +    job: amd64-fedora-rust-container
> +  variables:
> +    IMAGE: fedora-rust-nightly
> +    CONFIGURE_ARGS: --disable-gcrypt --enable-nettle --disable-docs --enable-rust

You can leave out the crypt+nettle args and just let this
job auto-detect the right one

> +    TARGETS: aarch64-softmmu
> +    MAKE_CHECK_ARGS: check-build
> +  allow_failure: true



With regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|

Re: [PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[Daniel P. Berrangé]

On Mon, Oct 07, 2024 at 07:17:11PM +0200, Paolo Bonzini wrote:
> Right now only Fedora 39 and 40 (with updates) are able to compile
> QEMU with Rust enabled. Full CI enablement requires further work to
> reduce the minimum supported version of the compiler, and is not a
> requirement until Rust is turned on by default.
> 
> Since a CI job based on nightly Rust will be needed later on, to
> integrate clippy and have a heads-up on future clippy warnings,
> adjust QEMU's 'refresh' script to customize a Fedora 40 dockerfile
> with trailing text that installs nightly Rust and compiles the
> latest bindgen.  A matching CI job, using --enable-rust, ensures
> that the toolchain is installed correctly by the Dockerfile and
> that QEMU builds with Rust enabled on at least one platform.

I think that in addition to the nightly job, the mappings.yml should
add rust toolchain, and have a 'system-fedora-rust' job, since you
say that Fedora 40 should already satisfy the min version requirement
without needing nightly there.

Even though the mappings.yml addition will add rust to /all/ containers
this is fine - a perhaps even a good thing - as with any dep we have, it
shows that QEMU does not mistakenly try to enable & use a feature on a
rust version that is too old to work - it reflects that most developer
envs will have rustc present, even when its too old for QEMU to use.


> 
> Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
> Cc: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
> Cc: Alex Bennée <alex.bennee@linaro.org>
> Based-on: <cover.1727961605.git.manos.pitsidianakis@linaro.org>
> 
> Paolo Bonzini (2):
>   dockerfiles: add a Dockerfile using a nightly Rust toolchain
>   gitlab-ci: add Rust-enabled CI job
> 
>  .gitlab-ci.d/buildtest.yml                    |  13 ++
>  .gitlab-ci.d/containers.yml                   |   6 +
>  .../dockerfiles/fedora-rust-nightly.docker    | 173 ++++++++++++++++++
>  tests/lcitool/refresh                         |  26 +++
>  4 files changed, 218 insertions(+)
>  create mode 100644 tests/docker/dockerfiles/fedora-rust-nightly.docker
> 
> -- 
> 2.46.1
> 

With regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|

Re: [PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[Paolo Bonzini]

On Mon, Oct 7, 2024 at 8:19 PM Daniel P. Berrangé <berrange@redhat.com> wrote:
> I think that in addition to the nightly job, the mappings.yml should
> add rust toolchain, and have a 'system-fedora-rust' job, since you
> say that Fedora 40 should already satisfy the min version requirement
> without needing nightly there.
>
> Even though the mappings.yml addition will add rust to /all/ containers
> this is fine - a perhaps even a good thing - as with any dep we have, it
> shows that QEMU does not mistakenly try to enable & use a feature on a
> rust version that is too old to work - it reflects that most developer
> envs will have rustc present, even when its too old for QEMU to use.

Ok, I'll work on adding bindgen support to lcitool and then do this as
a separate submission.

(BTW the fact that Fedora 40 works wasn't really a goal of Manos's
first submission; it just happens to have new-enough packages).

Paolo

Re: [PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[Daniel P. Berrangé]

On Tue, Oct 08, 2024 at 11:03:47AM +0200, Paolo Bonzini wrote:
> On Mon, Oct 7, 2024 at 8:19 PM Daniel P. Berrangé <berrange@redhat.com> wrote:
> > I think that in addition to the nightly job, the mappings.yml should
> > add rust toolchain, and have a 'system-fedora-rust' job, since you
> > say that Fedora 40 should already satisfy the min version requirement
> > without needing nightly there.
> >
> > Even though the mappings.yml addition will add rust to /all/ containers
> > this is fine - a perhaps even a good thing - as with any dep we have, it
> > shows that QEMU does not mistakenly try to enable & use a feature on a
> > rust version that is too old to work - it reflects that most developer
> > envs will have rustc present, even when its too old for QEMU to use.
> 
> Ok, I'll work on adding bindgen support to lcitool and then do this as
> a separate submission.

FYI, lcitool already has a package mapping for 'bindgen' defined as Alex
added that for QEMU's benefit a few months back :-)

With regards,
Daniel
-- 
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Re: [PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[Paolo Bonzini]

On Tue, Oct 8, 2024 at 11:20 AM Daniel P. Berrangé <berrange@redhat.com> wrote:
> On Tue, Oct 08, 2024 at 11:03:47AM +0200, Paolo Bonzini wrote:
> > Ok, I'll work on adding bindgen support to lcitool and then do this as
> > a separate submission.
>
> FYI, lcitool already has a package mapping for 'bindgen' defined as Alex
> added that for QEMU's benefit a few months back :-)

Hmm, it's missing on SLES15. I wonder if we need to add support for
cargo install, following the model I used in this series.

Paolo

Re: [PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[Daniel P. Berrangé]

On Tue, Oct 08, 2024 at 11:45:49AM +0200, Paolo Bonzini wrote:
> On Tue, Oct 8, 2024 at 11:20 AM Daniel P. Berrangé <berrange@redhat.com> wrote:
> > On Tue, Oct 08, 2024 at 11:03:47AM +0200, Paolo Bonzini wrote:
> > > Ok, I'll work on adding bindgen support to lcitool and then do this as
> > > a separate submission.
> >
> > FYI, lcitool already has a package mapping for 'bindgen' defined as Alex
> > added that for QEMU's benefit a few months back :-)
> 
> Hmm, it's missing on SLES15. I wonder if we need to add support for
> cargo install, following the model I used in this series.

Yes, that could work as a special case, but we don't need to worry
about that until we enable rust by default later.

With regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|

[PATCH 0/2] dockerfiles, gitlab-ci: add CI job using nightly Rust

[Paolo Bonzini]

Right now only Fedora 39 and 40 (with updates) are able to compile
QEMU with Rust enabled. Full CI enablement requires further work to
reduce the minimum supported version of the compiler, and is not a
requirement until Rust is turned on by default.

Since a CI job based on nightly Rust will be needed later on, to
integrate clippy and have a heads-up on future clippy warnings,
adjust QEMU's 'refresh' script to customize a Fedora 40 dockerfile
with trailing text that installs nightly Rust and compiles the
latest bindgen.  A matching CI job, using --enable-rust, ensures
that the toolchain is installed correctly by the Dockerfile and
that QEMU builds with Rust enabled on at least one platform.

Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Cc: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Cc: Alex Bennée <alex.bennee@linaro.org>
Based-on: <cover.1727961605.git.manos.pitsidianakis@linaro.org>

v1->v2: remove unnecessary CONFIGURE_ARGS
        add "nightly" to name of container and job

Paolo Bonzini (2):
  dockerfiles: add a Dockerfile using a nightly Rust toolchain
  gitlab-ci: add Rust-enabled CI job

 .gitlab-ci.d/buildtest.yml                    |  13 ++
 .gitlab-ci.d/containers.yml                   |   6 +
 .../dockerfiles/fedora-rust-nightly.docker    | 173 ++++++++++++++++++
 tests/lcitool/refresh                         |  26 +++
 4 files changed, 218 insertions(+)
 create mode 100644 tests/docker/dockerfiles/fedora-rust-nightly.docker

-- 
2.46.2