this derivation will be built:
  /nix/store/krwsxb9in3ifdgayyik99drr2bs9n6nc-nix-shell.drv
these 3 paths will be fetched (14.6 MiB download, 62.5 MiB unpacked):
  /nix/store/v2i1hgv567g3v91im5x4g5bff52143i0-cmake-4.1.2
  /nix/store/6vg32l21p9ljx7r99xja6rraqp2gs31l-curl-8.19.0
  /nix/store/fv55biiqmn8hm56p9jjbmw8dfi0j4ai2-rhash-1.4.6
copying path '/nix/store/6vg32l21p9ljx7r99xja6rraqp2gs31l-curl-8.19.0' from 'https://cache.nixos.org'...
copying path '/nix/store/fv55biiqmn8hm56p9jjbmw8dfi0j4ai2-rhash-1.4.6' from 'https://cache.nixos.org'...
copying path '/nix/store/v2i1hgv567g3v91im5x4g5bff52143i0-cmake-4.1.2' from 'https://cache.nixos.org'...
building '/nix/store/krwsxb9in3ifdgayyik99drr2bs9n6nc-nix-shell.drv'...
Running phase: buildPhase