Warnings from running rustup update command

[nmickphy]

Problem

The rustup update command always produces warnings about some installed tools.

Steps

1. rustup update

Possible Solution(s)

No response

Notes

No response

Rustup version

rustup 1.26.0 (5af9b9484 2023-04-05)
info: This is the version for the rustup toolchain manager, not the rustc compiler.
info: The currently active `rustc` version is `rustc 1.75.0 (82e1608df 2023-12-21)`

Installed toolchains

Default host: x86_64-unknown-linux-gnu
rustup home:  /home/nmickphy/.rustup

installed toolchains
--------------------

stable-x86_64-unknown-linux-gnu (default)
1.63.0-x86_64-unknown-linux-gnu
1.66.0-x86_64-unknown-linux-gnu

active toolchain
----------------

stable-x86_64-unknown-linux-gnu (default)
rustc 1.75.0 (82e1608df 2023-12-21)