Rust 2021?

.github/workflows/build.yml

@@ -66,18 +66,9 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v1
 
-    - name: Docker setup
-      run: |
-        docker run --rm -v $(pwd):/source dlecan/rust-crosscompiler-arm:stable
-
-    - name: Enable 2021 edition
-      run: |
-        echo 'cargo-features = ["edition2021"]' > /tmp/bliss-analyser-Cargo.toml
-        cat Cargo.toml >> /tmp/bliss-analyser-Cargo.toml
-        mv /tmp/bliss-analyser-Cargo.toml Cargo.toml
-
     - name: Build
       run: |
+        docker run --rm -v $(pwd):/source dlecan/rust-crosscompiler-arm:stable
         docker build -t bliss-analyser-cross - < docker/Dockerfile
         docker run --rm -v $PWD/target:/build -v $PWD:/src bliss-analyser-cross
 

Cargo.toml

@@ -2,7 +2,7 @@
 name = "bliss-analyser"
 version = "0.2.1"
 authors = ["Craig Drummond <craig.p.drummond@gmail.com>"]
-edition = "2018"
+edition = "2021"
 license = "GPL-3.0-only"
 description = "Analyse audio files with bliss-rs"
 repository = "https://github.com/CDrummond/bliss-analyser"

docker/Dockerfile

@@ -12,7 +12,6 @@ RUN apt-get install -y curl git build-essential gcc-multilib musl-tools musl-dev
 
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
 ENV PATH="/root/.cargo/bin/:${PATH}"
-RUN rustup default nightly && rustup update
 RUN rustup target add aarch64-unknown-linux-gnu && \
     rustup target add arm-unknown-linux-gnueabihf