this derivation will be built:
  /nix/store/xx26kf3yxbh3lsn2d2gk7qiw6f7j5svn-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/xx26kf3yxbh3lsn2d2gk7qiw6f7j5svn-bcachefs-module-7.0.0-28-generic.drv'...