fix(build): Pin to Rust 1.83.0. (#1368)

* Pin to Rust 1.83.0

Some crates used in this repository won't compile with Rust 1.84.0.

Also switch to using 'tq' binary instead of 'tomlq', as noted by the
tomlq crate's warning message.

* Two more places where 'stable' needs to be '1.83.0'.

Author: kpfleming

.github/workflows/pr_test.yml

@@ -11,7 +11,7 @@ jobs:
       - name: "Checkout code"
         uses: actions/checkout@v4
       - name: "Install Rust"
-        uses: dtolnay/rust-toolchain@stable # to install tomlq via `make config`
+        uses: dtolnay/rust-toolchain@1.83.0 # to install tq via `make config`
       - name: "Generate static app config"
         run: make config
       - name: "Config Artifact"
@@ -25,7 +25,7 @@ jobs:
       - name: "Checkout code"
         uses: actions/checkout@v4
       - name: "Install Rust"
-        uses: dtolnay/rust-toolchain@stable # to install tomlq via `make config`
+        uses: dtolnay/rust-toolchain@1.83.0 # to install tq via `make config`
       - name: Install Go
         uses: actions/setup-go@v5
         with:
@@ -124,11 +124,11 @@ jobs:
           path: ${{ steps.go-cache-paths.outputs.gomod }}
           key: ${{ runner.os }}-test-go-mod-${{ hashFiles('**/go.sum') }}
       - name: "Install Rust"
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@1.83.0
       - name: "Add wasm32-wasi Rust target"
-        run: rustup target add wasm32-wasi --toolchain stable
+        run: rustup target add wasm32-wasi --toolchain 1.83.0
       - name: "Validate Rust toolchain"
-        run: rustup show && rustup target list --installed --toolchain stable
+        run: rustup show && rustup target list --installed --toolchain 1.83.0
         shell: bash
       - name: "Install Node"
         uses: actions/setup-node@v4

.github/workflows/tag_to_draft_release.yml

@@ -19,7 +19,7 @@ jobs:
       - name: "Set GOHOSTOS and GOHOSTARCH"
         run: echo "GOHOSTOS=$(go env GOHOSTOS)" >> $GITHUB_ENV && echo "GOHOSTARCH=$(go env GOHOSTARCH)" >> $GITHUB_ENV
       - name: "Install Rust"
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@1.83.0
       - name: "Generate static app config"
         run: make config
       # Passing the raw SSH private key causes an error:

Dockerfile-rust

@@ -1,7 +1,7 @@
 FROM rust:latest
 LABEL maintainer="Fastly OSS <oss@fastly.com>"
 
-ENV RUST_TOOLCHAIN=stable
+ENV RUST_TOOLCHAIN=1.83.0
 RUN rustup toolchain install ${RUST_TOOLCHAIN} \
   && rustup target add wasm32-wasi --toolchain ${RUST_TOOLCHAIN} \
   && apt-get update && apt-get install -y curl jq && apt-get -y clean && rm -rf /var/lib/apt/lists/* \