Shut up sccache couldn't connect error (#58047)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58047
This error ALWAYS gets picked up by Dr. CI and IT DRIVES ME NUTS.
Consign it to the /dev/null bin.
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Reviewed By: malfet
Differential Revision: D28352658
Pulled By: ezyang
fbshipit-source-id: a55f99ed76728d46f02d6a61a45c7691e8be7a47