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-rw-r--r--src/tools/rust-analyzer/xtask/src/release.rs5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/tools/rust-analyzer/xtask/src/release.rs b/src/tools/rust-analyzer/xtask/src/release.rs
index 3eda2bc0274..1a1364c7d10 100644
--- a/src/tools/rust-analyzer/xtask/src/release.rs
+++ b/src/tools/rust-analyzer/xtask/src/release.rs
@@ -202,7 +202,10 @@ impl flags::RustcPush {
         let head = cmd!(sh, "git rev-parse HEAD").read()?;
         let fetch_head = cmd!(sh, "git rev-parse FETCH_HEAD").read()?;
         if head != fetch_head {
-            bail!("Josh created a non-roundtrip push! Do NOT merge this into rustc!");
+            bail!(
+                "Josh created a non-roundtrip push! Do NOT merge this into rustc!\n\
+                Expected {head}, got {fetch_head}."
+            );
         }
         println!("Confirmed that the push round-trips back to rust-analyzer properly. Please create a rustc PR:");
         // https://github.com/github-linguist/linguist/compare/master...octocat:linguist:master