this derivation will be built:
  /nix/store/7d19gh9xdiny7qj1ma8fv1nx6a64r83z-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/7d19gh9xdiny7qj1ma8fv1nx6a64r83z-bcachefs-module-7.0.0-39-generic.drv'...