Roll tools/rust/ c2a0e44aa..9f2ba7f84 (5 commits)

https://chromium.googlesource.com/chromium/src/tools/rust/+log/c2a0e44aaa68..9f2ba7f84988

Created with:
  roll-dep tools/rust

Change-Id: I8d13d95bd0f4b440aa4598a33c95656996801039
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/114271
Commit-Queue: Nigi <nigi@chromium.org>
Auto-Submit: Lei Zhang <thestig@chromium.org>
Reviewed-by: Nigi <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index 34760f6..e329f8a 100644
--- a/DEPS
+++ b/DEPS
@@ -182,7 +182,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling clang
   # and whatever else without interference from each other.
-  'rust_revision': 'c2a0e44aaa68e02826feea4a4e152bdd8b897266',
+  'rust_revision': '9f2ba7f84988470627950863df3e2961ff3cc0d0',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling skia
   # and whatever else without interference from each other.