this derivation will be built:
  /nix/store/rcq3mhh1ag19x20bv5fs7xdv457wgyk8-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/rcq3mhh1ag19x20bv5fs7xdv457wgyk8-bcachefs-module-7.0.0-29-generic.drv'...