Mostly the advantages a listed for C: stability, portability, simplicity, fast compilation times could all in reverse also be considered disadvantages of Rust. I am also not a fan of monomorphization, not of static linking, and not of having many dependencies out of a large uncurated pile of many projects. I also think Rust is not pragmatic enough. Overall though, my main issue is complexity of the language which I think goes in the wrong direction - this may be ok if the alternative is C++, but if you prefer C to C++ then Rust is equally unappealing. At the same time I think the advantages of Rust are exaggerated. I still agree memory safety is important, I just think Rust is not an ideal approach.

C strings (it's almost an exaggeration to say that C has strings) and "just never make any mistakes bro" based memory management come to mind.