this derivation will be built:
  /nix/store/xk9pf375kdpb2g3fyhzya2lmkn58k0iy-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/xk9pf375kdpb2g3fyhzya2lmkn58k0iy-bcachefs-module-7.0.0-30-generic.drv'...