message: No longer use rustfmt-preview
diff: @@ -18,7 +18,7 @@ cache: cargo
  install:
  - rustup target add thumbv7em-none-eabi
  - rustup target add riscv32imc-unknown-none-elf
  - - rustup component add rustfmt-preview
  + - rustup component add rustfmt
  - rustup component add clippy
  script:
  