this derivation will be built:
  /nix/store/m48726a5s5y09lpzal2drgksxha5a2q7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/m48726a5s5y09lpzal2drgksxha5a2q7-bcachefs-module-7.0.0-38-generic.drv'...