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 6 paths will be fetched (19.63 MiB download, 110.80 MiB unpacked):
  /nix/store/qy575nifg22l7aj8492dq25a0saswca1-cargo-audit-0.20.1
  /nix/store/3prh10wq6wxb3c8yispxw7snvvdvlhlv-cargo-release-0.25.10
  /nix/store/3p5w2l377m3yma4nm5d2pbg1r195hppp-nix-shell
  /nix/store/4n7jkl09aplbdbchiflmscppqlr0d2pk-rust-analyzer-2024-09-02
  /nix/store/dj8lgnf0k029w4qkakzi6b3ng6z0y655-rust-analyzer-unwrapped-2024-09-02
  /nix/store/s7ykl9f86ixnfjf1asgwykdna5fpd5xr-rust-lib-src