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-rw-r--r--src/bootstrap/src/core/builder/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bootstrap/src/core/builder/mod.rs b/src/bootstrap/src/core/builder/mod.rs
index c32d9c2870c..6469bb5f272 100644
--- a/src/bootstrap/src/core/builder/mod.rs
+++ b/src/bootstrap/src/core/builder/mod.rs
@@ -1534,7 +1534,7 @@ impl<'a> Builder<'a> {
             let out = step.clone().run(self);
             let dur = start.elapsed();
             let deps = self.time_spent_on_dependencies.replace(parent + dur);
-            (out, dur - deps)
+            (out, dur.saturating_sub(deps))
         };
 
         if self.config.print_step_timings && !self.config.dry_run() {