this derivation will be built:
  /nix/store/mkd1dv79nz91227v0nk40b7al7yarc08-bcachefs-module-7.1.5-arch1-1.drv
this path will be fetched (231.75 MiB download, 643.75 MiB unpacked):
  /nix/store/ggahyz0wss4bjdk0a3dxh6qdvb116zqp-linux-7.1.4-dev
copying path '/nix/store/ggahyz0wss4bjdk0a3dxh6qdvb116zqp-linux-7.1.4-dev' from 'https://cache.nixos.org'...
building '/nix/store/mkd1dv79nz91227v0nk40b7al7yarc08-bcachefs-module-7.1.5-arch1-1.drv'...