rustc: beta
cargo: beta
+# We use a nightly rustfmt to format the source because it solves some bootstrapping
+# issues with use of new syntax in this repo. If you're looking at the beta/stable branch, this key should be omitted,
+# as we don't want to depend on rustfmt from nightly there.
+rustfmt: nightly-2019-12-18
+
# When making a stable release the process currently looks like:
#
# 1. Produce stable build, upload it to dev-static