this derivation will be built:
  /nix/store/x2lz347ld86b8nwpbnw02g0f8c0r579q-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/x2lz347ld86b8nwpbnw02g0f8c0r579q-bcachefs-module-7.0.0-28-generic.drv'...