in src/fs.rs [899:912]
fn just_mount<'a>() {
init();
let dir = tempfile::Builder::new()
.prefix("just_mount")
.tempdir()
.unwrap();
let mnt = dir.into_path();
let mnt_str = String::from(mnt.to_str().unwrap());
let daemon = mount_tempdir_ro(mnt);
info!("mounted fs at {} in thread {:#?}", mnt_str, daemon);
}