driver: unconditionally show update nightly hint

1 files changed, 8 insertions, 30 deletions

diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs
index b4007aeb8d7..1f44621736c 100644
--- a/compiler/rustc_driver_impl/src/lib.rs
+++ b/compiler/rustc_driver_impl/src/lib.rs
@@ -61,7 +61,7 @@ use std::str;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, OnceLock};
 use std::time::{Instant, SystemTime};
-use time::{Date, OffsetDateTime, Time};
+use time::OffsetDateTime;
 
 #[allow(unused_macros)]
 macro do_not_use_print($($t:tt)*) {
@@ -1385,9 +1385,6 @@ pub fn install_ice_hook(
     using_internal_features
 }
 
-const DATE_FORMAT: &[time::format_description::FormatItem<'static>] =
-    &time::macros::format_description!("[year]-[month]-[day]");
-
 /// Prints the ICE message, including query stack, but without backtrace.
 ///
 /// The message will point the user at `bug_report_url` to report the ICE.
@@ -1416,33 +1413,14 @@ fn report_ice(
         dcx.emit_err(session_diagnostics::Ice);
     }
 
-    use time::ext::NumericalDuration;
-
-    // Try to hint user to update nightly if applicable when reporting an ICE.
-    // Attempt to calculate when current version was released, and add 12 hours
-    // as buffer. If the current version's release timestamp is older than
-    // the system's current time + 24 hours + 12 hours buffer if we're on
-    // nightly.
-    if let Some("nightly") = option_env!("CFG_RELEASE_CHANNEL")
-        && let Some(version) = option_env!("CFG_VERSION")
-        && let Some(ver_date_str) = option_env!("CFG_VER_DATE")
-        && let Ok(ver_date) = Date::parse(&ver_date_str, DATE_FORMAT)
-        && let ver_datetime = OffsetDateTime::new_utc(ver_date, Time::MIDNIGHT)
-        && let system_datetime = OffsetDateTime::from(SystemTime::now())
-        && system_datetime.checked_sub(36.hours()).is_some_and(|d| d > ver_datetime)
-        && !using_internal_features.load(std::sync::atomic::Ordering::Relaxed)
-    {
-        dcx.emit_note(session_diagnostics::IceBugReportOutdated {
-            version,
-            bug_report_url,
-            note_update: (),
-            note_url: (),
-        });
+    if using_internal_features.load(std::sync::atomic::Ordering::Relaxed) {
+        dcx.emit_note(session_diagnostics::IceBugReportInternalFeature);
     } else {
-        if using_internal_features.load(std::sync::atomic::Ordering::Relaxed) {
-            dcx.emit_note(session_diagnostics::IceBugReportInternalFeature);
-        } else {
-            dcx.emit_note(session_diagnostics::IceBugReport { bug_report_url });
+        dcx.emit_note(session_diagnostics::IceBugReport { bug_report_url });
+
+        // Only emit update nightly hint for users on nightly builds.
+        if rustc_feature::UnstableFeatures::from_environment(None).is_nightly_build() {
+            dcx.emit_note(session_diagnostics::UpdateNightlyNote);
         }
     }