Tool version settings

Updated Aug 02, 2026

Use these variables to pin or override versions installed by the home phase:

  • VENDCURL_VERSION
  • Default: 0.1.0
  • Version installed with uv tool install.
  • RUST_CHANNEL
  • Default: stable, unless rust-toolchain.toml declares a channel.
  • Rust toolchain installed by rustup.
  • CARGO_LLVM_COV_VERSION
  • Default: 0.8.5
  • Version of cargo-llvm-cov.
  • CARGO_NEXTEST_VERSION
  • Default: 0.9.133
  • Version of cargo-nextest.
  • KANI_VERIFIER_VERSION
  • Default: 0.67.0
  • Version of kani-verifier.
  • SCCACHE_VERSION
  • Default: 0.14.0
  • Version of sccache when SCCACHE_BUCKET is set.
  • WHITAKER_INSTALLER_VERSION
  • Default: 0.2.6
  • Version of whitaker-installer.
  • MDTABLEFIX_VERSION
  • Default: 0.4.0
  • Version of mdtablefix.
  • ACT_VERSION
  • Default: latest
  • GitHub act release installed by get-github-tooling.
  • MERGIRAF_VERSION
  • Default: 0.16.3
  • Version of mergiraf.
  • DIFFTASTIC_VERSION
  • Default: 0.68.0
  • Version of difftastic.
  • LETA_VERSION
  • Default: 0.13.0
  • Version of leta.
  • ACTION_VALIDATOR_VERSION
  • Default: 0.9.0
  • Version of action-validator.
  • VK_VERSION
  • Default: 0.5.0
  • Version of vk.
  • CHECKMAKE_VERSION
  • Default: 0.2.2
  • Version of checkmake.