ChildContext: Add command_boxed - #37

warning: ignoring untrusted flake configuration setting 'extra-substituters'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'extra-trusted-public-keys'.
Pass '--accept-flake-config' to trust it
warning: ignoring untrusted flake configuration setting 'extra-trusted-substituters'.
Pass '--accept-flake-config' to trust it
these 15 paths will be fetched (251.35 MiB download, 1271.76 MiB unpacked):
  /nix/store/r9bd7jib7yl6p62h2gz40q7ki4si3r93-brotli-1.1.0-lib
  /nix/store/y6mygvplw3prycahpvyr5zj2hv7g3bkq-cargo-1.81.0
  /nix/store/czkqnm2prg7lrhxpi7s04yv19xxkkfb5-curl-8.9.1
  /nix/store/dsskzyyw15h3vgkfq462i5rx33dbbfxl-get-crate-version
  /nix/store/skc7jcd3ca52523cpnv9haxibsvrlf0j-keyutils-1.6.3-lib
  /nix/store/szi6jfvq38xbbg91k00lzg7l4d1g9px1-krb5-1.21.3-lib
  /nix/store/zia95pvsfnijmgfgwv3wf0z4s9n1159b-libpsl-0.21.5
  /nix/store/qs983a2lj75ibpllvb8fd17b7fxshqbv-libssh2-1.11.0
  /nix/store/2kgd2bidf3g3s6vnb6nxwilrpkl4mpdy-libxml2-2.13.4
  /nix/store/9zb96sh3l4r305y91zcscc6p50ac4inh-llvm-18.1.8-lib
  /nix/store/53iigsmf32bwkfdhhihq2rppgk23k2rg-ncurses-6.4.20221231
  /nix/store/kxb45pc6yv0c0vmy628d9yq4r6x3kzgk-nghttp2-1.63.0-lib
  /nix/store/1slx9n99cm8l2kzny8vq8l99f46lwd9h-publicsuffix-list-0-unstable-2024-09-10
  /nix/store/j9p9r0p46k77yvbjsq06zcirsi3kfchh-rustc-1.81.0
  /nix/store/csadsvzmnzvb952kjky9ziinky5q8abr-rustc-wrapper-1.81.0