this derivation will be built:
  /nix/store/gyjxkigp7fbs2svxw402b5a95jksnyp5-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/gyjxkigp7fbs2svxw402b5a95jksnyp5-bcachefs-module-7.0.0-26-generic.drv'...