compiler: do not emit rustfmt_skip inner attr, since it is unstable (#479)
compiler: do not emit rustfmt_skip inner attr, since it is unstable (#479)

cc https://github.com/tikv/raft-rs/issues/390

Signed-off-by: Nick Cameron <2c47ce3e96bf7e0216a6c3e09d72186b3be4a4e1@ncameron.org>
tikv/grpc-rs,tikv/grpc-rs