language: rust os: - linux rust: - stable - beta - nightly - 1.36.0 - 1.37.0 - 1.38.0 - 1.39.0 - 1.40.0 - 1.41.0 - 1.42.0 - 1.43.0 - 1.44.0 - 1.45.0 - 1.46.0 matrix: allow_failures: - rust: nightly