language: rust
rust:
  - stable
  - beta
  - nightly
matrix:
  allow_failures:
    - rust: nightly
install: rustup target add i686-unknown-linux-gnu

language: rust
rust:
  - stable
  - beta
  - nightly
matrix:
  allow_failures:
    - rust: nightly
install: rustup target add i686-unknown-linux-gnu
script: RUST_BACKTRACE=1 cargo build --verbose

Add RUST_BACKTRACE=1 to cargo build
Add RUST_BACKTRACE=1 to cargo build
