Constant rustc_incremental::persist::file_format::RUSTC_VERSION[][src]

const RUSTC_VERSION: Option<&'static str> = ::option::Option::Some("1.29.2 (17a9dc751 2018-10-05)")
🔬 This is a nightly-only experimental API. (rustc_private)

this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

A version string that hopefully is always different for compiler versions with different encodings of incremental compilation artifacts. Contains the git commit hash.