Update backtrace to 0.3.56

asomers · asomers · commit 5afb167bf5fd · 2021-03-25T22:25:34.000-06:00
Fixes rust-lang#78184
diff --git a/library/backtrace b/library/backtrace
@@ -1 +1 @@
-Subproject commit af078ecc0b069ec594982f92d4c6c58af99efbb5
+Subproject commit 710fc18ddcb6c7677b3c96359abb35da37f2a488
