diff --git a/.jenkins/Jenkinsfile b/.jenkins/Jenkinsfile
index 5af92f1..16c4874 100644
--- a/.jenkins/Jenkinsfile
+++ b/.jenkins/Jenkinsfile
@@ -31,7 +31,7 @@ node {
     stage('Build self-ci-java') {
         sh '''
         set -ex
-exit 0
+
         image_tag="$BRANCH_NAME"
         [ "$image_tag" == "master" ] && image_tag=latest
 
@@ -44,22 +44,6 @@ exit 0
         '''
     }
 
-    stage('Build self-ci-rust') {
-        sh '''
-        set -ex
-
-        image_tag="$BRANCH_NAME"
-        [ "$image_tag" == "master" ] && image_tag=latest
-
-        cd rust
-
-        # build our image
-        docker build -t "moparisthebest/self-ci-rust:$image_tag" .
-
-        cd ..
-        '''
-    }
-
     stage('Push to docker hub') {
         sh '''
         set -ex
@@ -69,8 +53,7 @@ exit 0
 
         # push our images, don't forget to docker login
         docker push "moparisthebest/self-ci-base:$image_tag"
-        #docker push "moparisthebest/self-ci-java:$image_tag"
-        docker push "moparisthebest/self-ci-rust:$image_tag"
+        docker push "moparisthebest/self-ci-java:$image_tag"
         '''
     }
 
diff --git a/run.sh b/run.sh
index ce77919..b786db9 100755
--- a/run.sh
+++ b/run.sh
@@ -7,10 +7,8 @@ if [ ! -z "${BUILD_UID:-}" ]
 then
     BUILD_GID="${BUILD_GID:-$BUILD_UID}"
     groupadd -r -g "$BUILD_GID" jenkins
-    additional_groups=''
-    [ -e /var/run/docker.sock ] && additional_groups="-G $(stat -c '%g' /var/run/docker.sock)"
-    useradd -r -u "$BUILD_UID" -g "$BUILD_GID" $additional_groups -s /bin/bash -m -d /root jenkins
-    chown -R "$BUILD_UID":"$BUILD_GID" /root
+    useradd -r -u "$BUILD_UID" -g "$BUILD_GID" -s /bin/bash -m -d /root jenkins
+    chown "$BUILD_UID":"$BUILD_GID" /root
     #exec runuser -m jenkins -- "$@"
     exec sudo -E -u jenkins -- "$@"
 fi
diff --git a/rust/Dockerfile b/rust/Dockerfile
deleted file mode 100644
index cbabff4..0000000
--- a/rust/Dockerfile
+++ /dev/null
@@ -1,18 +0,0 @@
-
-FROM moparisthebest/self-ci-base:latest
-
-# set CROSS_DOCKER_IN_DOCKER to inform `cross` that it is executed from within a container
-#ENV CROSS_DOCKER_IN_DOCKER=true
-
-RUN mkdir /cargo && ln -sf /cargo/ /root/.cargo && \
-    pacman -Syu --noconfirm --needed docker rustup gcc && \
-    rustup install stable && rustup default stable && \
-    cargo install --root / cross
-
-COPY ./build.sh /usr/bin/
-
-VOLUME [ "/build", "/var/run/docker.sock" ]
-
-WORKDIR /build
-ENTRYPOINT ["/usr/bin/run.sh"]
-CMD ["/usr/bin/build.sh", "./.jenkins/build.sh"]
diff --git a/rust/build-jenkins.sh b/rust/build-jenkins.sh
new file mode 100755
index 0000000..fe6a846
--- /dev/null
+++ b/rust/build-jenkins.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+set -euxo pipefail
+
+# this'll have to do until cross can run in docker containers backed by the btrfs driver
+# run like: curl https://code.moparisthebest.com/moparisthebest/self-ci/raw/branch/master/rust/build-jenkins.sh | bash
+
+mkdir bin
+cd bin
+curl -O https://code.moparisthebest.com/moparisthebest/self-ci/raw/branch/master/ci-release-helper.sh -O https://code.moparisthebest.com/moparisthebest/self-ci/raw/branch/master/rust/build.sh
+chmod +x ci-release-helper.sh build.sh
+cd ..
+export PATH="$(pwd)/bin:$PATH"
+ci-release-helper.sh standard_pre_release
+exec build.sh .jenkins/build.sh
diff --git a/rust/build.sh b/rust/build.sh
index f4befc5..12802c5 100755
--- a/rust/build.sh
+++ b/rust/build.sh
@@ -1,7 +1,12 @@
 #!/bin/bash
 set -euo pipefail
 
-for TARGET in ${BUILD_TARGETS:-x86_64-unknown-linux-musl}
+for TARGET in ${BUILD_TARGETS:-x86_64-unknown-linux-musl x86_64-unknown-linux-gnu i686-unknown-linux-musl i686-unknown-linux-gnu i586-unknown-linux-musl i586-unknown-linux-gnu aarch64-unknown-linux-musl aarch64-unknown-linux-gnu armv7-unknown-linux-gnueabihf armv7-unknown-linux-musleabihf arm-unknown-linux-gnueabi arm-unknown-linux-gnueabihf arm-unknown-linux-musleabi arm-unknown-linux-musleabihf armv5te-unknown-linux-gnueabi armv5te-unknown-linux-musleabi x86_64-pc-windows-gnu x86_64-linux-android i686-linux-android aarch64-linux-android armv7-linux-androideabi arm-linux-androideabi mips64el-unknown-linux-gnuabi64 mips64-unknown-linux-gnuabi64 mipsel-unknown-linux-gnu mipsel-unknown-linux-musl mips-unknown-linux-gnu mips-unknown-linux-musl powerpc64le-unknown-linux-gnu powerpc-unknown-linux-gnu riscv64gc-unknown-linux-gnu s390x-unknown-linux-gnu x86_64-sun-solaris sparcv9-sun-solaris x86_64-unknown-netbsd}
 do
-    TARGET="$TARGET" "$@"
+    if echo "$TARGET" | grep -E '(^s390x|^thumb|solaris$|^x86_64-unknown-dragonfly$|^x86_64-unknown-netbsd$)' >/dev/null
+    then
+        DISABLE_TESTS=1 TARGET="$TARGET" "$@"
+    else
+        TARGET="$TARGET" "$@"
+    fi
 done
diff --git a/rust/readme.md b/rust/readme.md
deleted file mode 100644
index 90e6879..0000000
--- a/rust/readme.md
+++ /dev/null
@@ -1,16 +0,0 @@
-self-ci-rust
-------------
-
-A docker container with rustup and [cross](https://github.com/rust-embedded/cross) that runs a script with every variant cross supports.
-
-Meant to be ran in CI something like this:
-
-```sh
-docker run --rm -v /var/run/docker.sock:/var/run/docker.sock -v "$PWD:/build" -e BRANCH_NAME -e BUILD_UID=$UID -e BUILD_GID=$(id -g) moparisthebest/self-ci-rust:latest
-```
-
-Without arguments it will execute `.jenkins/build.sh` once for each docker container cross supports, setting the env variables TARGET and DISABLE_TESTS appropriately so invocations of `cross` and `cargo` *just work*.  If you want to call another script each time:
-
-```sh
-docker run --rm -v /var/run/docker.sock:/var/run/docker.sock -v "$PWD:/build" -e BRANCH_NAME -e BUILD_UID=$UID -e BUILD_GID=$(id -g) moparisthebest/self-ci-rust:latest build.sh ./path/to/your/script.sh
-```