this derivation will be built:
  /nix/store/n7mp4kl9zvfvdapl2lp3i6c9s6dwhz3q-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/n7mp4kl9zvfvdapl2lp3i6c9s6dwhz3q-bcachefs-module-7.0.0-39-generic.drv'...