this derivation will be built:
  /nix/store/8d1bxlk9mpibrgij6dn67046wcdw0vf8-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/8d1bxlk9mpibrgij6dn67046wcdw0vf8-bcachefs-module-7.0.0-34-generic.drv'...