Rust: extract crate graph

Author: aibaars

Cargo.lock

@@ -13,6 +13,7 @@ num-traits = "0.2.19"
 ra_ap_base_db = "0.0.258"
 ra_ap_hir = "0.0.258"
 ra_ap_hir_def = "0.0.258"
+ra_ap_hir_ty = "0.0.258"
 ra_ap_ide_db = "0.0.258"
 ra_ap_hir_expand = "0.0.258"
 ra_ap_load-cargo = "0.0.258"
@@ -39,3 +40,4 @@ toml = "0.8.19"
 tracing = "0.1.41"
 tracing-flame = "0.2.0"
 tracing-subscriber = "0.3.19"
+chalk-ir = "0.98.0"