Merge pull request #894 from rust-lang/dependabot/cargo/backtrace-0.3.52

Cargo.lock

@@ -75,9 +75,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "backtrace"
-version = "0.3.51"
+version = "0.3.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec1931848a574faa8f7c71a12ea00453ff5effbb5f51afe7f77d7a48cace6ac1"
+checksum = "f813291114c186a042350e787af10c26534601062603d888be110f59f85ef8fa"
 dependencies = [
  "addr2line",
  "cfg-if",