message: install the wasi toolchain and latest nightly in CI
diff: @@ -39,6 +39,8 @@ jobs:
  rustup toolchain install nightly-2019-02-27
  rustup component add rustfmt
  rustup component add clippy --toolchain=nightly-2019-02-27 || cargo +nightly-2019-02-27 install --git https://github.com/rust-lang/rust-clippy/ --force clippy
  + rustup toolchain install nightly
  + rustup target add wasm32-wasi --toolchain nightly
  - run:
  name: Execute lints
  command: |
  