Give a better error messages when the rustc shim is missing

2022-09-11 15:14:03 -05:00 · 2022-09-11 15:14:03 -05:00 · 0bb4e25ec4
commit 0bb4e25ec4
parent 0a1fde9533
1 changed files with 4 additions and 1 deletions
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@ -463,7 +463,10 @@ impl Build {
            .to_path_buf();
        if !bootstrap_out.join(exe("rustc", config.build)).exists() && !cfg!(test) {
            // this restriction can be lifted whenever https://github.com/rust-lang/rfcs/pull/3028 is implemented
-            panic!("run `cargo build --bins` before `cargo run`")
+            panic!(
+                "`rustc` not found in {}, run `cargo build --bins` before `cargo run`",
+                bootstrap_out.display()
+            )
        }

        let mut build = Build {