[rust] No latest version as is not permitted

frameworks/Rust/saphir/saphir.dockerfile

@@ -1,11 +1,10 @@
-FROM rust:latest
+FROM rust:1.93
 
 WORKDIR /saphir
-
-ADD . .
+COPY . .
 
 RUN cargo clean
-RUN RUSTFLAGS="-C target-cpu=native" cargo build --release
+RUN RUSTFLAGS="-C target-cpu=native" cargo build --release --quiet
 
 EXPOSE 8080
 

frameworks/Rust/sib/sib.dockerfile

@@ -1,11 +1,11 @@
-FROM rust:latest
+FROM rust:1.93
 
-ADD ./ /sib
 WORKDIR /sib
+COPY . .
 
-RUN apt-get update && apt-get install -y cmake clang lld llvm libclang-dev
+RUN apt-get update && apt-get install -y cmake clang lld llvm libclang-dev > /dev/null
 RUN cargo clean
-RUN RUSTFLAGS="-C target-cpu=native" cargo build --release
+RUN RUSTFLAGS="-C target-cpu=native" cargo build --release --quiet
 
 EXPOSE 8080
 

frameworks/Rust/tachyon-concept/tachyon-concept-ub.dockerfile

@@ -1,7 +1,8 @@
-FROM rust:latest
+FROM rust:1.93
 ENV DEBIAN_FRONTEND=noninteractive
+
 WORKDIR /app
-RUN rustup install nightly
+
 RUN git clone https://github.com/TachyonConcepts/TachyonConcept .
 RUN RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C target-feature=+avx2,+bmi2" cargo install --path .
 RUN cargo clean

frameworks/Rust/tachyon-concept/tachyon-concept.dockerfile

@@ -1,7 +1,8 @@
-FROM rust:latest
+FROM rust:1.93
 ENV DEBIAN_FRONTEND=noninteractive
+
 WORKDIR /app
-RUN rustup install nightly
+
 RUN git clone https://github.com/TachyonConcepts/TachyonConcept .
 RUN RUSTFLAGS="-C target-cpu=native -C opt-level=3 -C target-feature=+avx2,+bmi2" cargo install --path .
 RUN cargo clean

frameworks/Rust/warp-rust/warp-rust.dockerfile

@@ -1,4 +1,4 @@
-FROM rust:1.70
+FROM rust:1.93
 
 WORKDIR /warp-rust
 COPY src src