this derivation will be built:
  /nix/store/dc4zpifkafmw996rp2am8x9s926sgn5b-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/dc4zpifkafmw996rp2am8x9s926sgn5b-bcachefs-module-7.0.0-31-generic.drv'...