rustcをアップデートする方法
rustcをアップデートする方法 下記の一行をコマンドで実行するだけ。 rustup update 出力参考 rustup update info: syncing channel updates for 'stable-x86_64-pc-windows-msvc' warning: Signature verification failed for 'https://static.rust-lang.org/dist/channel-rust-stable.toml' info: latest update on 2023-03-09, rust version 1.68.0 (2c8cc3432 2023-03-06) info: downloading component 'rust-src' info: downloading component 'cargo' info: downloading component 'clippy' info: downloading component 'rust-docs' info: downloading component 'rust-std' info: downloading component 'rustc' 63.9 MiB / 63.9 MiB (100 %) 37.5 MiB/s in 1s ETA: 0s info: downloading component 'rustfmt' info: removing previous version of component 'rust-src' 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: installing component 'rust-src' info: installing component 'cargo' info: installing component 'clippy' info: installing component 'rust-docs' 19....