this derivation will be built:
  /nix/store/fwp901viasyab39srzh1z4mkv6r0kxvl-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/fwp901viasyab39srzh1z4mkv6r0kxvl-bcachefs-module-7.0.0-39-generic.drv'...