ARROW-9192: [CI][Rust] Add support for running clippy#7501

Closed

houqp wants to merge 2 commits intoapache:masterfrom houqp:ARROW-9192

+186-96

Commits on Jun 20, 2020

run clippy to lint arrow crate in CI
houqp
committed

Commits on Jul 2, 2020

move to the macos job
kszucs
committed