this derivation will be built:
  /nix/store/r3qjbmd7dr478amvd4mqn422ikjdgam2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/r3qjbmd7dr478amvd4mqn422ikjdgam2-bcachefs-module-7.0.0-39-generic.drv'...