Rollup merge of rust-lang#72560 - JohnTitor:glacier, r=Mark-Simulacrum

Dylan-DPC · web-flow · commit c57910292b65 · 2020-05-25T18:07:46.000+02:00
Enable `glacier` command via triagebot I noticed this was required by rust-lang#72554 (comment).
diff --git a/triagebot.toml b/triagebot.toml
@@ -10,6 +10,8 @@ allow-unauthenticated = [
 
 [assign]
 
+[glacier]
+
 [ping.icebreakers-llvm]
 alias = ["llvm", "llvms"]
 message = """\
