this derivation will be built:
  /nix/store/xchg3xn1g87sfkr3bayak430jdqirbiv-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/xchg3xn1g87sfkr3bayak430jdqirbiv-bcachefs-module-7.0.0-38-generic.drv'...