hostid: clap 3

src/uu/hostid/Cargo.toml

@@ -15,7 +15,7 @@ edition = "2018"
 path = "src/hostid.rs"
 
 [dependencies]
-clap = { version = "2.33", features = ["wrap_help"] }
+clap = { version = "3.0", features = ["wrap_help", "cargo"] }
 libc = "0.2.42"
 uucore = { version=">=0.0.10", package="uucore", path="../../uucore" }
 uucore_procs = { version=">=0.0.7", package="uucore_procs", path="../../uucore_procs" }

src/uu/hostid/src/hostid.rs

@@ -25,10 +25,10 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     Ok(())
 }
 
-pub fn uu_app() -> App<'static, 'static> {
+pub fn uu_app<'a>() -> App<'a> {
     App::new(uucore::util_name())
         .version(crate_version!())
-        .usage(SYNTAX)
+        .override_usage(SYNTAX)
 }
 
 fn hostid() {