update rust-crypto
update from string for new api
Merge pull request #450 from skv-headless/update_rust-crypto

Update rust crypto
Resurrect cargo build
cargo: don't use generated code
cargo: simplify uutils_cargo.rs
cargo: add mv,sort
cargo: add nproc
fix uutils_cargo.rs
cargo: fix uutils_cargo
cargo: add chmod
cargo: depend on rust-lang/time