Turns out sudo is required.

socketry · Aug 12, 2018 · 7367576 · 7367576
1 parent 2cb098b
commit 7367576
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -1,4 +1,5 @@
 language: ruby
+sudo: required
 dist: xenial
 cache: bundler