From 6057147fde962f2369c61f8dbf74dd2b1b2ce239 Mon Sep 17 00:00:00 2001 From: Daniel Silverstone Date: Wed, 12 Dec 2018 14:20:49 +0000 Subject: Update panic message to be clearer about env-vars Esteban Kuber requested that the panic message make it clear that `RUST_BACKTRACE=1` is an environment variable. This change makes that clear. Wording provided in part by David Tolnay. --- src/libstd/panicking.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/libstd') diff --git a/src/libstd/panicking.rs b/src/libstd/panicking.rs index 6b47ba6d1cb..b6180fbeb50 100644 --- a/src/libstd/panicking.rs +++ b/src/libstd/panicking.rs @@ -209,7 +209,8 @@ fn default_hook(info: &PanicInfo) { if let Some(format) = log_backtrace { let _ = backtrace::print(err, format); } else if FIRST_PANIC.compare_and_swap(true, false, Ordering::SeqCst) { - let _ = writeln!(err, "note: Run with `RUST_BACKTRACE=1` for a backtrace."); + let _ = writeln!(err, "note: Run with `RUST_BACKTRACE=1` \ + environment variable to display a backtrace."); } } }; -- cgit 1.4.1-3-g733a5