error: constants have by default a `'static` lifetime
  --> src/uu/cksum/src/cksum.rs:54:24
   |
54 |     pub const BINARY: &'static str = "binary";
   |                       -^^^^^^^---- help: consider removing `'static`: `&str`
   |
   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
   = note: `-D clippy::redundant-static-lifetimes` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::redundant_static_lifetimes)]`