this derivation will be built:
  /nix/store/kfyxkmihsbcm99c7pwzc0v915z3xg11b-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/kfyxkmihsbcm99c7pwzc0v915z3xg11b-bcachefs-module-7.0.0-39-generic.drv'...