this derivation will be built:
  /nix/store/kwam56gsvsd1407b0jsw46qh7c0k0q8z-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/kwam56gsvsd1407b0jsw46qh7c0k0q8z-bcachefs-module-7.0.0-29-generic.drv'...