Update rust/latest/Dockerfile

rust/latest/Dockerfile

@@ -3,8 +3,11 @@ FROM        --platform=$TARGETOS/$TARGETARCH rust:slim
 LABEL author="Ethan Coward" maintainer="ethan.coward@icloud.com"
 
 RUN apt update \
-                && apt -y install git dnsutils curl iproute2 ffmpeg tini pkg-config \
-                && useradd -m -d /home/container container
+    && apt -y install git dnsutils curl iproute2 ffmpeg tini pkg-config build-essential libssl-dev \
+    && useradd -m -d /home/container container \
+    && rustup update \
+    && rustup default nightly \
+    && rustup component add rust-src
 
 USER container
 ENV USER=container HOME=/home/container CARGO_HOME=/home/container/.cargo