message: remove variable :(
diff: @@ -10,7 +10,6 @@ on:
  env:
  # see rust-version in Cargo.toml
  MINIMUM_SUPPORTED_RUST_VERSION: 1.56.0
  - CRATE_FEATURES: (gif, jpeg, png, tiff, ico, pnm, tga, webp, bmp, hdr, dxt, dds, farbfeld, openexr, jpeg_rayon, '')
  jobs:
  build:
  @@ -19,7 +18,7 @@ jobs:
  strategy:
  matrix:
  rust: [${{ env.MINIMUM_SUPPORTED_RUST_VERSION }}, stable, beta, nightly]
  - features: ${{ env.CRATE_FEATURES }}
  + features: [gif, jpeg, png, tiff, ico, pnm, tga, webp, bmp, hdr, dxt, dds, farbfeld, openexr, jpeg_rayon, '']
  steps:
  - uses: actions/checkout@v2
  - uses: actions-rs/toolchain@v1
  @@ -51,7 +50,7 @@ jobs:
  runs-on: ubuntu-20.04
  strategy:
  matrix:
  - features: ${{ env.CRATE_FEATURES }}
  + features: [gif, jpeg, png, tiff, ico, pnm, tga, webp, bmp, hdr, dxt, dds, farbfeld, openexr, jpeg_rayon, '']
  # we need to limit the number of parallel jobs
  # so we artificially depend on another job
  @@ -235,3 +234,17 @@ jobs:
  steps:
  - uses: actions/checkout@v2
  - uses: EmbarkStudios/cargo-deny-action@v1
  +
  + verify_msrv:
  + name: Verify Minimum Supported Rust Version in Cargo.toml
  + runs-on: ubuntu-latest
  + steps:
  + - uses: actions/checkout@v2
  +
  + - name: Install or use cached `cargo-msrv`
  + uses: baptiste0928/cargo-install@v1
  + with:
  + crate: cargo-msrv
  +
  + - name: Verify Minimum Rust Version
  + run: cargo-msrv verify
  