this derivation will be built:
  /nix/store/2id79aijw16xp68sb4nz1v30ljmmcsl3-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/2id79aijw16xp68sb4nz1v30ljmmcsl3-bcachefs-module-7.0.0-30-generic.drv'...