Merge pull request #451 from ebfe/fix-build-master

Fix build with rust master
Update rust-crypto
Merge pull request #452 from ebfe/fix-build-master

Update rust-crypto
chmod: fix build on freebsd
test/{seq,tr,truncate,unexpand}: fix build
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
Remove now invalid format specifiers