Update for namespaced enums
Update for new coercion rules
std::os changes
std:num::pow -> std::num::Int::pow
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
cargo: fix time dependency