set publish to false, update meta links (#258)

src/buf/buf.rs

@@ -1070,4 +1070,4 @@ impl Buf for Option<[u8; 1]> {
 
 // The existance of this function makes the compiler catch if the Buf
 // trait is "object-safe" or not.
-fn _assert_trait_object(_b: &Buf) {}
+fn _assert_trait_object(_b: &dyn Buf) {}

src/buf/buf_mut.rs

@@ -1083,4 +1083,4 @@ impl BufMut for Vec<u8> {
 
 // The existance of this function makes the compiler catch if the BufMut
 // trait is "object-safe" or not.
-fn _assert_trait_object(_b: &BufMut) {}
+fn _assert_trait_object(_b: &dyn BufMut) {}