Update Cargo.lock

flip1995 · flip1995 · commit f6bb462120d8 · 2021-03-11T11:31:19.000+01:00
diff --git a/Cargo.lock b/Cargo.lock
@@ -570,6 +570,7 @@ dependencies = [
  "clippy_lints",
  "compiletest_rs 0.6.0",
  "derive-new",
+ "regex",
  "rustc-workspace-hack",
  "rustc_tools_util 0.2.0",
  "semver 0.11.0",
