Fix ere-jolt (#72)

docker/base/Dockerfile.base

@@ -1,9 +1,13 @@
-# TODO: change to 24?
-ARG UBUNTU_VERSION=22.04
+ARG UBUNTU_VERSION=24.04
 FROM ubuntu:${UBUNTU_VERSION}
 
-# Set DEBIAN_FRONTEND to noninteractive to avoid prompts during package installation
-ENV DEBIAN_FRONTEND=noninteractive
+# Free uid 1000 for later usage, see https://bugs.launchpad.net/cloud-images/+bug/2005129
+# for more details.
+RUN userdel -r ubuntu
+
+# Set DEBIAN_FRONTEND to noninteractive to avoid prompts during package
+# installation when building the image.
+ARG DEBIAN_FRONTEND=noninteractive
 
 # Install common dependencies and build tools
 RUN apt-get update && \

scripts/sdk_installers/install_jolt_sdk.sh

@@ -34,6 +34,9 @@ ensure_tool_installed "cargo" "to build and install Rust packages"
 echo "Installing Jolt CLI from GitHub repository (a16z/jolt)..."
 cargo +nightly install --git https://github.com/a16z/jolt --force --bins jolt
 
+# Install Jolt's toolchain
+jolt install-toolchain
+
 # Verify Jolt installation
 echo "Verifying Jolt CLI installation..."
 if jolt --version; then

tests/jolt/compile/basic/src/main.rs

@@ -0,0 +1,5 @@
+#![cfg_attr(feature = "guest", no_std)]
+#![no_main]
+
+#[allow(unused_imports)]
+use guest::*;