Deprecate release-fast profile

Author: oech3

Cargo.toml

@@ -591,10 +591,11 @@ required-features = ["uudoc"]
 [profile.release]
 lto = true
 panic = "abort"
+codegen-units = 1
 
-[profile.release-fast]
+[profile.release-fast] # deprecated
 inherits = "release"
-codegen-units = 1
+
 
 # A release-like profile that is as small as possible.
 [profile.release-small]

src/uu/shuf/src/shuf.rs

@@ -445,12 +445,16 @@ impl Writable for usize {
     }
 }
 
-fn shuf_exec(
-    input: &mut impl Shufable,
+fn shuf_exec<S, W>(
+    input: &mut S,
     opts: &Options,
     rng: &mut WrappedRng,
-    output: &mut BufWriter<Box<dyn OsWrite>>,
-) -> UResult<()> {
+    output: &mut BufWriter<W>,
+) -> UResult<()>
+where
+    S: Shufable,
+    W: OsWrite,
+{
     let ctx = || translate!("shuf-error-write-failed");
 
     if opts.repeat {