bootstrap: don't resolve symlinks for initial_cargo

Author: GrigorenkoPV

src/bootstrap/src/core/config/config.rs

@@ -1427,9 +1427,7 @@ impl Config {
         };
 
         config.initial_cargo = cargo
-            .map(|cargo| {
-                t!(PathBuf::from(cargo).canonicalize(), "`initial_cargo` not found on disk")
-            })
+            .map(PathBuf::from)
             .unwrap_or_else(|| config.out.join(config.build.triple).join("stage0/bin/cargo"));
 
         // NOTE: it's important this comes *after* we set `initial_rustc` just above.