tree bb6436576485500b2b9c75f3ed6f0f612143f9d8
parent f1150e3c38ea07e963ccb7633778c28bd7e88e05
author Chih-Hung Hsieh <chh@google.com> 1603743418 -0700
committer Chih-Hung Hsieh <chh@google.com> 1603743418 -0700

Upgrade rust/crates/regex-syntax to 0.6.20

Test: make
Change-Id: If42f1186cfdfae7f6752ca48aa7501c7626459a6