this derivation will be built:
  /nix/store/m72y6114zfkx72arm237dy7b1fwzg0h5-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/m72y6114zfkx72arm237dy7b1fwzg0h5-bcachefs-module-7.0.0-39-generic.drv'...