Function ra_ap_rust_analyzer::ws_to_crate_graph

pub fn ws_to_crate_graph(
    workspaces: &[ProjectWorkspace],
    extra_env: &FxHashMap<String, String>,
    load: impl FnMut(&AbsPath) -> Option<FileId>
) -> (CrateGraph, Vec<FxHashMap<CrateId, Result<(Option<String>, AbsPathBuf), String>>>, Vec<Result<Arc<str>, Arc<str>>>, Vec<Option<Version>>)