Auto merge of #83506 - asomers:backtrace-0.3.56, r=Mark-Simulacrum

Update backtrace to 0.3.56

Fixes #78184
This commit is contained in:
bors 2021-04-03 01:52:36 +00:00
commit 621d4b7cbf

@ -1 +1 @@
Subproject commit af078ecc0b069ec594982f92d4c6c58af99efbb5
Subproject commit 710fc18ddcb6c7677b3c96359abb35da37f2a488