this derivation will be built:
  /nix/store/851ilrp1k9jwq8vgzphinw8q0b5pkx5v-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/851ilrp1k9jwq8vgzphinw8q0b5pkx5v-bcachefs-module-7.0.0-30-generic.drv'...