add support for clippy-driver to sccache
add support for clippy-driver to sccache

luser/sccache2,luser/sccache2,glandium/sccache,mozilla/sccache,luser/sccache2,glandium/sccache,mozilla/sccache,mozilla/sccache,glandium/sccache,luser/sccache2,glandium/sccache