localhost(2026-07-19|14:57:51) ~/rust$ rustup update stable
info: syncing channel updates for stable-x86_64-unknown-linux-gnu
info: latest update on 2026-07-16 for version 1.97.1 (8bab26f4f 2026-07-14)
info: removing previous version of component cargo
info: removing previous version of component clippy
info: removing previous version of component rust-docs
info: removing previous version of component rust-std
info: removing previous version of component rustc
info: removing previous version of component rustfmt
info: downloading 6 components
cargo installed 10.63 MiB
clippy installed 4.71 MiB
rust-docs installed 22.73 MiB
rust-std installed 28.71 MiB
rustc installed 77.30 MiB
rustfmt installed 2.06 MiB
stable-x86_64-unknown-linux-gnu updated - rustc 1.97.1 (8bab26f4f 2026-07-14) (from rustc 1.96.0 (ac68faa20 2026-05-25))
info: checking for self-update (current version: 1.29.0)
localhost(2026-07-19|15:01:20) ~/rust$
I think that it should do backups first and remove only in the end. Or do parallel installs.