rust-toolchain.toml

# Rust toolchain channel declaration.
#
# This file is read by rustup (local development) and dtolnay/rust-toolchain
# in GitHub Actions (via `toolchain: stable` in docker-publish.yml). Using
# "stable" means developers and CI always use the current stable release —
# both environments track the same moving target.
#
# When adopting a Rust feature that requires a specific minimum release (e.g.
# a new stdlib stabilisation), update the MSRV in Cargo.toml (`rust-version`)
# at the same time so `cargo check` enforces the floor.

[toolchain]
channel = "stable"
# clippy is required by CI (cargo clippy --deny warnings would fail without it).
# rustfmt is required for any formatting checks.  A fresh `rustup` install from
# this file will include both so new contributors don't hit "clippy not found"
# after cloning.
components = ["clippy", "rustfmt"]